📏 Unit Converters

Instant, accurate conversions for length, weight, temperature, volume, speed, area, data, cooking, clothing sizes and more. Everything runs in your browser — no sign-up.

1,300+
Free tools
0
Sign-ups needed
100%
Free forever
⚡
Instant results

Converter categories

📐 Angle Converters

Convert 📐 angle converters instantly with a reference table and worked examples.

Use converter →

📐 Area Converters

Convert 📐 area converters instantly with a reference table and worked examples.

Use converter →

👟 Clothing & Shoe Sizes Converters

Convert 👟 clothing & shoe sizes converters instantly with a reference table and worked examples.

Use converter →

👨‍🍳 Cooking & Baking Converters

Convert 👨‍🍳 cooking & baking converters instantly with a reference table and worked examples.

Use converter →

🖥️ CSS & Design Converters

Convert 🖥️ css & design converters instantly with a reference table and worked examples.

Use converter →

💾 Data Storage Converters

Convert 💾 data storage converters instantly with a reference table and worked examples.

Use converter →

GB file (at 100 Mbps) to download time min

Convert gb file (at 100 mbps) to download time min instantly with a reference table and worked examples.

Use converter →

⚡ Energy Converters

Convert ⚡ energy converters instantly with a reference table and worked examples.

Use converter →

📡 Frequency Converters

Convert 📡 frequency converters instantly with a reference table and worked examples.

Use converter →

⛽ Fuel Efficiency Converters

Convert ⛽ fuel efficiency converters instantly with a reference table and worked examples.

Use converter →

📏 Length Converters

Convert 📏 length converters instantly with a reference table and worked examples.

Use converter →

📄 Paper Sizes Converters

Convert 📄 paper sizes converters instantly with a reference table and worked examples.

Use converter →

⚡ Power Converters

Convert ⚡ power converters instantly with a reference table and worked examples.

Use converter →

🔩 Pressure Converters

Convert 🔩 pressure converters instantly with a reference table and worked examples.

Use converter →

🖨️ Print & Typography Converters

Convert 🖨️ print & typography converters instantly with a reference table and worked examples.

Use converter →

⚡ Speed Converters

Convert ⚡ speed converters instantly with a reference table and worked examples.

Use converter →

🌡️ Temperature Converters

Convert 🌡️ temperature converters instantly with a reference table and worked examples.

Use converter →

⏰ Time Converters

Convert ⏰ time converters instantly with a reference table and worked examples.

Use converter →

💧 Volume Converters

Convert 💧 volume converters instantly with a reference table and worked examples.

Use converter →

⚖️ Weight & Mass Converters

Convert ⚖️ weight & mass converters instantly with a reference table and worked examples.

Use converter →

Popular quick answers

Common conversions worked out step by step, with the formula and nearby values.

30 km to miles13.1 miles to km36 months in days200 °C to °F5 lbs to kg37 °C to °F0 °C to °F20 °C to °F100 pounds to kilograms20 lbs to kg-40 °C to °F90 mph to kph15 °C to °F60 centimeters to inches300 DPI to PPI200 yards to meters10,000 BTU/hr to watts200 °F to °C350 °F to °C100 °C to °F70 kph to mph10,000 square feet to square meters1000 square feet to square meters8 hours to minutes10 drops to milliliters150 DPI to PPI1000 pounds to kilograms

Browse all converters by type

Clothing, shoe & ring sizes (76)

A3 (mm) to A3 (inches) A4 paper to A4 dimensions baby shoe UK to baby shoe EU Baby shoe size (EU) to approx age UK bra size to US bra size bust measurement (cm) to UK bra size chest cm to UK T-shirt 👟 Clothing & Shoe Sizes Converters foot length (cm) to UK shoe size EU dress size to UK dress size foot length (cm) to EU shoe size foot length (cm) to UK men's shoe size foot length (cm) to UK women's shoe size foot length (cm) to US men's shoe size foot length (cm) to US women's shoe size hand circumference cm to glove size head circumference cm to UK hat size head circumference cm to US hat size head circumference (cm) to UK hat size hip cm to UK dress jeans inseam (cm) to jeans inseam (inches) Jeans waist cm to inches jeans waist (cm) to jeans waist (inches) Jeans waist inches to cm kids age to clothing length cm UK kids' age (yrs) to EU kids' size (cm) UK kids' age (yrs) to US kids' size UK kids shoe to EU kids shoe UK kids shoe to US kids shoe Kids UK shoe to EU shoe UK men's shirt (collar inches) to US equivalent neck (cm) to collar (UK) ring inner mm to UK ring size neck cm (shirt collar) to UK collar size UK shirt size to EU shirt size UK shirt size to US shirt size EU shoe to UK shoe UK shoe to EU shoe UK men's shoe size to EU shoe size UK women's shoe size to EU shoe size UK men's shoe size to US men's shoe size UK shoe (men's) to US shoe (men's) UK women's shoe size to US women's shoe size UK shoe (women's) to US shoe (women's) US men's shoe size to EU shoe size US women's shoe size to EU shoe size foot length cm to EU shoe size foot length cm to UK shoe size foot length cm to US shoe size (men) foot length cm to US shoe size (women) EU shoe size to UK shoe size EU shoe size to US shoe size (men) EU shoe size to US shoe size (women) UK shoe size (men) to US shoe size UK shoe size (women) to US shoe size US shoe size (men) to EU shoe size sock size UK to sock size US UK clothing size to EU size UK clothing size to EU clothing size UK dress size to EU dress size UK shoe size to EU shoe size UK clothing size to US size UK dress size to US dress size UK shoe size to US shoe size (men's) US shoe size to EU shoe size US clothing size to UK size US dress size to UK dress size US shoe size (men) to UK shoe size waist (cm) to waist (inches) waist cm to UK clothing size waist (inches) to waist (cm) waist (cm) to UK dress size waist (cm) to UK men's trouser size EU women's dress to US women's dress UK women's dress to EU women's dress UK women's dress to US women's dress

Cooking & kitchen (223)

acre-feet to liters acre-feet to US gallons barrels (oil) to liters UK barrels to UK gallons UK barrels to liters cubic centimeters (cc) to milliliters °C (oven) to °F centiliters to milliliters 👨‍🍳 Cooking & Baking Converters cubic cm (cc) to milliliters cubic feet to liters cubic inches to liters Cubic Meters to Liters cups (almond flour) to grams cups (butter) to grams cups (cocoa powder) to grams cups (coconut flour) to grams cups (honey) to grams US cup (honey) to grams cups (milk) to ml US cup (milk) to grams cups (rolled oats) to grams US cup (oil) to grams cups (peanut butter) to grams cups (rice) to grams cups (shredded cheese) to grams cups (sugar) to grams cups to US pints US cups to tablespoons cups (water) to ml cups (yoghurt) to grams cups (butter) to oz cups (flour) to grams cups (flour) to oz US cups (rice) to grams cups (rice, dry) to grams cups (sugar) to oz US cups to deciliters US cups to fl oz cups to fl oz cups (US) to US gallons cups (flour) to grams (flour) cups (dried lentils) to grams cups (dry pasta) to grams cups (uncooked quinoa) to grams cups (uncooked rice) to grams cups (sugar) to grams (sugar) cups (US) to liters Cups (Us) to Milliliters US cups to ml UK cups to ml US cups (flour) to oz US cups to fl oz (US) US cups to US pints cups (US) to quarts cups butter to sticks cups to tablespoons US cups to teaspoons UK cups to US cups dashes to ml deciliters (dl) to US cups deciliters to ml drops (medical) to milliliters drops to millilitres °F (oven) to °C fl oz (US) to cups fl oz (US) to mL fl oz to cups fl oz (US) to liters Fl Oz (Us) to Milliliters fl oz (US) to tablespoons grams (butter) to tablespoons grams (flour) to US cups grams (rice uncooked) to US cups grams (butter) to cups grams (cocoa) to cups grams (oats) to cups grams (rice) to cups grams (sugar) to cups grams (water) to cups grams to tablespoons (water) grams to teaspoons (water) US gallons to milliliters US gallons to cubic feet US gallons to cups Us Gallons to Liters US gallons to quarts grams (butter) to cups (butter) grams (flour) to cups (flour) grams (honey) to cups grams (rolled oats) to cups grams (uncooked rice) to cups grams (sugar) to cups (sugar) grams to oz (weight) grams (salt) to teaspoons grams (sugar) to teaspoons hectoliters to liters hogsheads (US) to liters Imperial gallons to liters Imperial gallons to US gallons jigger to ml kg (flour) to cups (flour) L/100km to gallons (US) per 100 miles liters to Imperial gallons liters to tablespoons (US) liters to teaspoons (US) lbs (water) to cups liter to US pints L/100km to km/L liters to cubic centimeters Liters to Cubic Meters liters to US cups liters to fl oz (US) Liters to Us Gallons liters to hectoliters liters to milliliters liters to ml Liters to Us Pints liters to US pints liters to US quarts liters to tablespoons Liters to Uk Gallons liters to UK pints liter to UK pints miles per gallon to km per liter Milliliters to Cups (Us) Milliliters to Fl Oz (Us) milliliters to liters ml (flour) to grams milliliters to cubic centimeters (cc) milliliters to centiliters milliliters to US cups ml to US cups ml to UK cups ml to deciliters mL to fl oz (US) milliliters to US gallons ml to liters ml (recipes) to oz (fluid US) ml to UK fl oz milliliters to US pints ml to quarts (US) ml to shots (UK 25ml) milliliters to tablespoons (UK) milliliters to tablespoons (US) ml to tablespoons (UK) milliliters to teaspoons milliliters to teaspoons (US) ml to teaspoons (UK) ml to teaspoons (US) milliliters to UK fl oz ml to UK gallons ml to UK pints ml to UK shots (25ml) ml to US shots (44ml) oven °C to °F oven °F to oven °C oven °F to gas mark oven °C to gas mark gas mark to oven °C fl oz (US) to US cups oz (dry weight) to cups (approx) oz (flour) to US cups fl oz (US) to cups (US) oz (fluid US) to ml (recipes) pecks (US) to liters pinches to teaspoons US pint to ml US pints to UK pints US pints to quarts UK pints to liters UK pints to ml UK pints to US pints US pints to ml US pints to US cups Us Pints to Liters US pints to liters pounds (flour) to cups (flour) pounds (sugar) to cups US pints to milliliters quarts (US) to cups (US) US quarts to liters quarts (US) to ml quarters to months quarts to cups (US) quarts to US gallons shot (UK 25ml) to ml smidgens to ml sticks of butter to US cups sticks of butter (US) to grams sticks (butter) to grams butter sticks (US) to cups tablespoons to cups Tablespoons to Milliliters tablespoons to milliliters tablespoons (butter) to grams tablespoons to US cups tablespoons to fl oz tablespoons to grams (water) tablespoons (US) to liters tablespoons (US) to milliliters tablespoons (US) to ml tablespoons to fl oz (US) tablespoons (UK) to teaspoons (UK) UK tablespoons to US tablespoons US tablespoons to UK tablespoons Teaspoons to Milliliters teaspoons to milliliters teaspoons to US cups teaspoons to fl oz teaspoons to grams (water) teaspoons (baking powder) to grams teaspoons (salt) to grams teaspoons (sugar) to grams teaspoons (yeast) to grams teaspoons (US) to liters teaspoons (US) to milliliters teaspoons (US) to ml UK teaspoons to US teaspoons UK fl oz to milliliters UK gallons to liters UK shots (25ml) to ml US shots (44ml) to ml

Temperature (28)

Celsius to Fahrenheit °C to °F Celsius to Kelvin °C to Rankine Celsius (°C) to Fahrenheit (°F) Celsius (°C) to Kelvin (K) °C to °F and K Celsius to Rankine Fahrenheit to Celsius °F to °C °F to K °F to Rankine Fahrenheit (°F) to Celsius (°C) Fahrenheit (°F) to Kelvin (K) Fahrenheit to Rankine Kelvin to Celsius Kelvin to Fahrenheit Kelvin to Rankine Kelvin to Réaumur Kelvin (K) to Celsius (°C) Kelvin (K) to Fahrenheit (°F) kg (mass) to newtons (force) newtons (force) to kg (mass) Rankine to °C Rankine to °F Rankine to Fahrenheit Rankine to Kelvin 🌡️ Temperature Converters

Data & computing (132)

bits to kilobytes bits to MB bits to bytes bits to megabytes bps to kbps bytes/s to Mbps bytes to bits bytes to GB bytes to KB (binary) bytes to kilobytes bytes to megabytes bytes to TB ch (1ch≈8px) to px cm (at 96 DPI) to px cm to pixels (CSS) cm to px (96dpi) Mbps connection to actual MB/s cubits to meters 💾 Data Storage Converters em (16px base) to px em (1em=16px) to pt em to px (16px base) em (1em=16px) to pixels exabytes to petabytes GB (decimal) to MB (decimal) GB to bits GB to bytes GiB (binary) to GB (decimal) GB to gigabits GB (decimal) to GiB gigabytes to megabytes gigabytes to terabytes gigabits to GB Gbps to GB per second Gbit/s to Mbit/s Gbps to Mbps Gbps to Tbps GiB to GB (decimal) gigabits (Gb) to gigabytes (GB) gigabits (Gb) to megabytes (MB) gigabytes (GB) to bytes GB to KB Gb to Mb Gb to Tb hex colour to rgba() hectopascals to millibars inHg to mbar inches (at 96 DPI) to px kilobytes to bits KB to bits KB (binary) to bytes KB to GB kilobytes to megabytes kbps to bps Kbps to Mbps kilobytes to bytes Kb to Mb MB per second to Mbps MB to bits megabytes to bytes megabytes to gigabytes MB (decimal) to GB (decimal) megabytes to kilobytes MB to kilobits MB to megabits mbar to inHg mbar to kPa millibar to pascals megabits to MB Mbps to bytes/s Mbps to Gbps Mbps to kbps Mbps to MB per second Mbit/s to MB/s MB/s to Mbit/s mebibytes (MiB) to megabytes (MB) megabits (Mb) to megabytes (MB) Mb to Gb Mb to Kb megabytes (MB) to megabits (Mb) MB to TB mm (at 96 DPI) to px nibbles to bytes petabytes (PB) to terabytes (TB) % (1200px base) to px petabytes to terabytes px to rem (16px base) pt to em points (pt) to mm pt to pixels (CSS) pt to rem (16px base) px to ch (1ch≈8px) px (at 96 DPI) to cm pixels (CSS) to cm pixels to em (1em=12px) pixels to em (1em=14px) pixels to em (1em=16px) pixels to em (1em=18px) px (at 96 DPI) to inches pixels (CSS) to inches px (at 96 DPI) to mm px to % (1200px base) pixels to % (of 1024px) pixels to % (of 1920px) pixels (CSS) to pt pixels to rem (root 16px) pixels to vh (1080px height) px to vh (1080p screen) pixels to vmax (viewport 1920) pixels to vmin (viewport 1080) px to vw (1920px viewport) px to vw (1920px screen) rem to em (when 1em=16px) rem (16px base) to px rem to px (16px base) rgb() to hex TB to bytes terabytes to gigabytes terabytes to petabytes TiB (binary) to TB (decimal) TB (decimal) to TiB Tbps to Gbps terabytes (TB) to bytes Tb to Gb TiB to TB (decimal) Unix epoch to info vh (1080p) to px vh to pixels (at 1080px viewport) vh to pixels (at 900px viewport) vw (100vw=1200px) to px vw to pixels (at 1440px viewport) vw to pixels (at 1920px viewport)

Time & dates (139)

angstroms (Å) to nanometers ångströms (Å) to nanometers arcminutes to degrees arcminutes to radians arcseconds to arcminutes arcseconds to degrees BTU/hr to watts centimeters to feet Centimeters to Inches cm (print) to inches centimeters to meters Centimeters to Millimeters cm to pt centuries to decades centuries to years clock hours to degrees cm/s to mph cycles/sec to Hz days to fortnights Days to Hours days to minutes days to seconds Days to Weeks decades to months decades to years degrees to clock hours degrees to hours of arc GB file (at 100 Mbps) to download time min drams to grams dunams to acres dunams (Middle East) to sq meters fathoms to feet ft/s to mph feet to centimeters fortnights to days frames at 24fps to SMPTE timecode frames (at 24fps) to seconds frames (at 30fps) to seconds frames (at 60fps) to seconds furlongs/fortnight to mph grams (gold) to troy ounces grams to carats (ct) grams to kilograms grams to lbs grams to milligrams Grams to Milligrams Grams to Ounces grams to ounces (weight) grams to pounds grams (water) to tablespoons grams to troy ounces hours of arc (astro) to degrees hours to days hours to minutes Hours to Minutes Hours to Seconds hours to weeks hours to years Inches to Centimeters inches (print) to cm joules to Wh joules to watt-hours jubilees to years kilograms to grams Kilograms to Pounds Kilograms to Stones Kilograms to Tonnes km/h to m/s Kwh to Joules kWh to megajoules kph to ft/s Kph to M/S light-years to km light-years to parsecs Light-Years to Kilometers light-years to miles megajoules (MJ) to kWh m/s to kph M/S to Mph meters to centimeters micrograms (μg) to milligrams (mg) microseconds (μs) to milliseconds microseconds to milliseconds millennia to years Milligrams to Grams Millimeters to Centimeters milliseconds to seconds minutes to hours minutes to weeks minutes to days Minutes to Hours minutes to milliseconds minutes to seconds Months to Days months to hours months to weeks months to years Mph to M/S m/s to km/h m/s to ft/s milliseconds to hours milliseconds (period) to Hz m/s to knots milliseconds to minutes milliseconds to nanoseconds nanoseconds (ns) to microseconds (μs) nanoseconds to milliseconds olympiads to years oz (protein scoop) to grams parsecs to light-years seconds to days seconds to weeks seconds to years seconds to frames (at 24fps) seconds to frames (at 30fps) seconds to frames (at 60fps) seconds to hours seconds to milliseconds Seconds to Minutes seconds to SMPTE timecode (30fps) semesters to months sq cm to sq inches sq inches to sq cm therms to megajoules ⏰ Time Converters SMPTE timecode (24fps) to seconds Wh to joules watt-hours (Wh) to joules watt-seconds (Ws) to joules Weeks to Days weeks to hours weeks to months weeks to seconds Years to Days years to decades years to hours Years to Months years to seconds years to weeks

Speed, fuel & travel (51)

MPG (UK) to pence per mile flight level (FL) to feet flight level (FL) to meters feet/min to mph ft/s to km/h ft/s to kph ⛽ Fuel Efficiency Converters L per 100km to MPG (Imperial) furlongs to meters km per liter to MPG (UK) km/L to mpg (UK) km/L to MPG (UK) km/L to MPG (US) km/h to mph Knots to Kph Knots to Mph knots to m/s km/h to ft/s km/h to knots km/h to Mach Kph to Mph kph to m/s L/100km to MPG (UK) L/100km to MPG (US) L/100Km to Mpg (Us) c (speed of light) to km/s speed of light (c) to kph Mach to kph Mach to mph Mach to m/s miles per liter to MPG (UK) miles per liter to MPG (US) Mpg (Us) to L/100Km MPG (UK) to km/L MPG (UK) to L/100km mpg (UK) to mpg (US) MPG (US) to km/L mpg (US) to km/L MPG (US) to L/100km mpg (US) to mpg (UK) mph to cm/s mph to ft/s mph to km/h Mph to Knots Mph to Kph mph to m/s m/s to mph min/km to min/mile min/mile to min/km MPG (US) to cents per mile ⚡ Speed Converters

Pressure, energy & power (148)

amps (at 230V UK) to kW amps (at 120V) to watts amps to watts (at 12V DC) amps to watts (at 230V UK) amps (at 240V) to watts atmospheres to bar atmospheres to kPa atmospheres to mmHg atm to pascals atmospheres to psi atm to bar Atm to Pascals bar to atmospheres bar to kilopascals bar to mmHg bar to MPa bar to pascals bar to psi barrel (UK beer) to liters bike tire bar to psi bike tire psi to bar BTU/hr to horsepower BTU/hr to kW BTU/min to watts BTU to calories BTU to joules BTU/hour to watts BTU to kilojoules BTUs to kWh calories to kWh calories to BTU calories to joules calories (kcal) to joules calories to kcal Calories (Kcal) to Kilojoules calories (kcal) to kWh car tire bar to psi car tire psi to bar cm of water to pascals dBm to watts electron volts (eV) to joules ⚡ Energy Converters ergs to joules food calories to joules foot-pounds to joules ft-lbs/sec to watts gigawatts to megawatts horsepower (hp) to watts horsepower (metric) to kW horsepower to BTU/hr horsepower to cal/sec horsepower to ft·lb/sec horsepower to kilowatts horsepower to watts hPa to inches of mercury hPa to pascals hPa to psi inHg to kPa inches of Hg to pascals joules to BTU joules to kWh joules to calories Joules to Calories joules to kilojoules kcal/hr to watts kcal to calories kcal to kWh kg/cm² to psi kgf/cm² to psi kilocalories (kcal) to kilojoules Kilojoules to Calories (Kcal) kilojoules to kilocalories (kcal) kPa to psi kW (at 230V UK) to amps kilowatts to horsepower (hp) kilowatts to watts kilojoules to BTU kPa to atmospheres kilopascals to bar kPa to mmHg kilopascals to megapascals kilopascals to psi kW to amps (at 110V) kW to amps (at 230V UK) kW to amps (at 240V) kilowatts to BTU/hr kW to BTU/min kilowatts to horsepower kW to horsepower (metric) kWh to BTUs kWh to calories kWh to joules kWh to MWh kWh to therms kWh to watt-hours liters to barrels (oil) MJ to kWh megawatts to kilowatts millibars to hectopascals megajoules to kWh mmHg to atmospheres mmHg to bar mmHg to kPa mmHg to pascals MPa to bar megapascals to kilopascals megapascals to psi MWh to kWh nm·torque (N·m) to joules (energy equiv.) pascals to bar pascals to kilopascals pascals to mmHg pascals to torr Pascal to Bar pascals to atmospheres pascals to kPa psi to atmospheres psi to bar psi to hPa psi to kg/cm² psi to kgf/cm² (technical) psi to kPa psi to kilopascals psi to megapascals psi to MPa psi to pascals therms to BTU therms to joules therms to kWh thermies to kWh tons of refrigeration to BTU/hr Torr to pascals watts to BTU/hr watts to BTU/min watts to horsepower watts (at 120V) to amps watts to amps (at 120V US) watts to amps (at 12V DC) watts to amps (at 230V UK) watts (at 240V) to amps watts to amps (at 24V DC) watts to ft-lbs/sec watts to horsepower (hp) watts to horsepower (mechanical) watts to joules per second watts to kcal/hr watts to kilowatts watt-hours to kWh

Area & land (68)

acre-feet to cubic meters Acres to Hectares acres to hectares acres to sq meters acres to sq feet Acres to Square Meters acres to sq miles degrees (slope) to % gradient 📐 Area Converters ares to sq meters degrees (slope) to % grade hectares to sq feet Hectares to Acres hectares to acres hectares to sq km hectares to sq meters hectares to sq m sq meters to acres % grade to degrees % gradient to degrees (slope) perches to sq meters px to % (1280px parent) rai (Thai) to acres rai (Thai) to sq meters roods to sq meters roods to acres sq feet to sq m sq feet to sq meters sq km to sq miles sq meters to sq feet sq m to sq feet sq miles to sq km sq cm to sq meters sq feet to hectares sq feet to sq inches sq ft to sq m sq inches to sq meters sq km to hectares sq km to sq meters sq km to sq yards sq meters to hectares sq meters to sq cm sq m to sq ft sq meters to sq km sq meters to sq miles sq meters to sq mm sq m to sq yards sq miles to sq meters sq mm to sq cm sq mm to sq meters sq feet to acres Square Feet to Square Meters sq feet to sq yards sq inches to sq feet sq km to acres Sq Km to Sq Miles Square Meters to Acres sq m to hectares Square Meters to Square Feet sq meters to sq yards sq miles to acres Sq Miles to Sq Km sq rods to sq meters sq yards to sq meters sq yards to sq feet sq yards to sq m tsubo (Japanese) to sq meters tsubo (Japanese) to sq m

Volume & capacity (17)

centiliters to liters cubic cm to cubic inches cubic feet to cubic meters cubic inches to cubic cm cubic meters to cubic feet cubic meters to cubic yards cubic yards to cubic meters cycles per minute to Hz cycles/min to Hz DL envelope to mm hectolitres to liters Hz to cycles per minute Hz to cycles/min km/L to L/100km liters to cubic feet liters to cubic inches 💧 Volume Converters

Weight & mass (75)

airline kg to lbs weight (stones) to BMI (at 1.7m) carats to grams carats to oz fl oz to tablespoons foot-pounds (ft·lbf) to newton-meters grams to grains grams to stones grains to mg grains (gr) to grams gsm (cover stock) to lbs (cover) hundredweight (UK) to kg hundredweight (US) to kg kg to grains kg to long tons (UK) kilograms to milligrams kilograms to ounces kg to troy ounces kg to oz kg to lbs kilograms to short tons (US) kg to stone kg to stone & pounds kg to stones & pounds kilograms to metric tonnes pound (lb) to kilogram lbs to metric tonnes lbs to grams pounds (lbs) to oz (weight) lbs to stone & lbs long tons (UK) to kg long tons (UK) to kilograms milligrams to grams milligrams to kilograms milligrams to ounces newton-meters to foot-pounds Ounces to Grams Ounces to Pounds fl oz to teaspoons oz to carats ounces (weight) to grams ounces to kilograms oz to kg oz (weight) to pounds (lbs) oz to mg UK fl oz to US fl oz oz (weight) to grams paper weight (gsm) to lbs bond lbs bond to paper weight (gsm) pennyweight (dwt) to grams pennyweights (dwt) to grams pounds to grams lbs to kg Pounds to Kilograms Pounds to Ounces pounds to stones protein servings (30g each) to grams short tons to pounds short tons (US) to kg short tons (US) to kilograms slugs (mass) to kg stone+pounds to kg stones to grams stone to kg stones & pounds to kg Stones to Kilograms Stones to Pounds metric tonnes to lbs metric tonnes to kilograms Tonnes to Kilograms metric tonnes to pounds tons of cooling to kW troy oz to grams troy ounces to grams ⚖️ Weight & Mass Converters

Length & distance (154)

10K (race) to miles 11×14 photo to mm 16×20 photo to mm 5K (race) to miles 5×7 photo to mm 6×4 photo to mm 8×10 photo to mm A0 (size) to mm A1 (size) to mm A2 (size) to mm A4 (mm) to inches A5 (size) to mm A6 (size) to mm arcminutes to arcseconds astronomical units to km B4 (size) to mm B5 paper to mm belt size (cm) to belt size (inches) belt size cm to inches belt size inches to cm Novel paperback to mm UK business card (85x55) to mm bust cm to UK bra size chains to feet chains to meters cm to pixels (at 300 DPI) centimeters to decimeters cm to feet & inches cm to inches centimeters to kilometers cm to miles centimeters to miles centimeters to nanometers cm to pixels (at 72 DPI) cm to pixels (at 96 DPI) centimeters to yards cm to yards cm³ to in³ degrees to arcminutes decimeters to centimeters C4 envelope to mm C5 envelope to mm Executive (paper) to mm feet+inches to cm feet to fathoms Feet to Inches Feet to Meters feet to miles feet to millimeters feet to yards feet to kilometers feet to mm hands (horse) to cm hands (equine) to inches height (cm) to feet'inches" height (feet'inches") to cm inches to cm inches to kilometers inches to km in³ to cm³ inches to pixels (at 96 DPI) inches to pixels (at 300 DPI) inches to mm (paper) Inches to Feet inches to meters inches to millimeters inches to mm inches to pica (typography) inches to pixels (at 150 DPI) inches to pixels (at 600 DPI) inches to pixels (at 72 DPI) inches to pt inches to yards inseam (cm) to inches kilometers to feet Kilometers to Meters Kilometers to Miles km to astronomical units kilometers to centimeters km to inches kilometers to inches km to mi km to miles kilometers to millimeters km to nautical miles kilometers to nautical miles kilometers to yards km² to m² L/100km to km per liter leagues to kilometers leagues to miles US Legal to mm 📏 Length Converters US Letter to mm meters to millimeters m² to km² Meters to Feet meters to inches Meters to Kilometers meters to miles Meters to Yards miles to cm mi to km micrometers (μm) to millimeters micrometers (µm) to millimeters Miles to Feet Miles to Kilometers miles to km miles to km (high precision) miles to meters miles to yards millimeters to inches millimeters to micrometers (μm) mm to pt mm to pixels (at 300 DPI) millimeters to feet mm to feet mm to inches millimeters to kilometers millimeters to meters millimeters to micrometers (µm) millimeters to nanometers mm to pixels (at 96 DPI) mm to points (pt) mm to thou (mil) millimeters to micrometers nanometers (nm) to micrometers (μm) Nautical Miles to Kilometers nautical miles to km nautical miles to miles nautical miles to statute miles nanometers to ångströms (Å) nanometers to centimeters nanometers to millimeters pica (typography) to inches pixels (at 300 DPI) to mm pixels (at 300 DPI) to cm pixels (at 300 DPI) to inches px (96dpi) to mm points to mm radians to arcminutes rods to feet rods to meters shoulder (cm) to inches statute miles to nautical miles survey feet (US) to meters Tabloid to mm thou (mil) to mm micrometers to millimeters wavelength (m) to Hz yards to feet yards to inches Yards to Meters yards to cm

Angles & geometry (22)

📐 Angle Converters degrees to arcseconds degrees to gradians (gon) degrees to mils (NATO) degrees to mils (US Army) degrees to gradians degrees to NATO mils degrees to radians degrees to revolutions degrees to turns gradians (gon) to degrees gradians to radians gradians to degrees mils (NATO) to degrees milliradians to degrees mils (US Army) to degrees NATO mils to degrees radians to degrees radians to gradians revolutions to degrees rise/run ratio to degrees turns to degrees

Paper & photo (20)

A-series paper to mm dimensions A4 (210x297mm) to px (300 DPI) A0 paper to A0 dimensions A series (size) to B series A3 sheets to A4 sheets A3 paper to pixels (at 300 DPI) A3 paper to Tabloid A4 (area) to A3 (area) A4 (mm) to US Letter (mm) A4 to pixels (at 150 DPI) A4 paper to pixels (at 300 DPI) A4 to pixels (at 72 DPI) A5 (mm) to A4 (mm) A5 paper to pixels (at 300 DPI) GSM to lb (paper weight) gsm (bond paper) to lb (bond) gsm (text paper) to lb (text weight) 📄 Paper Sizes Converters 4×6 inch photo to pixels (at 300 DPI) 5×7 inch photo to pixels (at 300 DPI)

Other conversions (122)

bottles of wine (750ml) to glasses (175ml) BPM (beats/min) to Hz BPM (music) to ms (per beat) BPM to music tempo label Business card to pixels (at 300 DPI) calories (small) to joules calories to kilocalories cal to kJ 🖥️ CSS & Design Converters decimeters to meters DPI to PPI ft/s to m/s 📡 Frequency Converters grams to micrograms g to mg GHz to Hz gigahertz to kilohertz GHz to MHz GHz to THz GiB to TiB gigahertz (GHz) to megahertz (MHz) GW to kW GWh to MWh hands (horse) to inches Hz to kHz Hz to BPM (beats/min) Hz to BPM (music) Hz to MHz Hz to milliseconds (period) Hz to musical note Hz to period (ms) Hz to period (seconds) Hz to rad/sec Hz to RPM in² to m² index card 4x6 to mm index card 3x5 to mm joules to calories (small) joules to electron volts joules to kcal joules to megajoules Kelvin to °F kilocalories to calories kcal to joules kcal to kJ kcal (food) to kJ kcal to MJ kHz to Hz kilohertz to megahertz kilohertz (kHz) to hertz (Hz) kHz to MHz kJ to cal kilojoules to joules kJ to kcal kVA to kW (at 0.8 power factor) kW to kVA (at 0.8 power factor) kilowatts to megawatts kW to MW liters to quarts (US) US Letter to pixels (at 150 DPI) US Letter to pixels (at 300 DPI) US Letter to pixels (at 72 DPI) meters to decimeters m to miles meters to nanometers meters to micrometers m² to in² mAh to Wh (at 3.7V) micrograms to grams ng (nanograms) to micrograms (mcg) micrograms to milligrams MHz to GHz megahertz (MHz) to hertz (Hz) mg to g milligrams to micrograms megahertz to gigahertz MHz to Hz MHz to kHz miles to m megajoules to joules MJ to kcal MW to kW MW to W nanometers to feet nanometers to inches nanometers to meters nanometers to micrometers musical note to Hz nanoseconds to seconds nanoseconds to microseconds picas to points (pt) picas to px px to em (16px base) px to picas px to pt pt to px A2 poster to pixels (at 300 DPI) ⚡ Power Converters PPI to DPI 🔩 Pressure Converters 🖨️ Print & Typography Converters quarts (US) to liters quarts to US pints rad/sec to Hz rad/s to RPM RPM to Hz RPM to rad/s seconds to minutes tablespoons to teaspoons teaspoons to tablespoons terahertz (THz) to gigahertz (GHz) THz to GHz THz to Hz TiB to GiB micrometers to meters micrometers to nanometers microseconds to seconds vh to px (1080px viewport) watts to milliwatts Wh to mAh (at 3.7V battery) yards to miles zettabytes to exabytes

About these converters

Every converter on 247QuickTools uses published reference factors (ISO and official standards where they exist) and shows the working, so you can check the answer rather than just trust it. UK, US and metric conventions are all covered — including cooking measures, gas marks, clothing and shoe sizes — and each page lists common values in a reference table. Not sure which unit you need? Start with the popular converters above, or jump to a category below.