cubits to meters Converter
Convert cubits to meters instantly with a reference table.
| cubits | meters |
|---|
How to convert cubits to meters
Enter your value
Type the number of cubits you want to convert into the left box. The result in meters appears instantly in the right box. You can also type into the right box to convert in the other direction.
Use the swap button
Click the ⇄ Swap button to reverse the conversion — meters to cubits. Your current value carries across so you don't have to re-enter anything.
Why there's no single exact conversion factor
Unlike most units on this site, the cubit was never standardised to one precise length — it was originally the distance from a person's elbow to the tip of their middle finger, so it varied by individual and by civilization. This converter uses the common English/biblical cubit of 18 inches (0.4572m), the most widely cited modern reference value, but historical cubits documented by archaeologists and historians range from about 0.44m to 0.56m depending on era and region.
Where the cubit shows up in history
The Egyptian royal cubit
Ancient Egypt's royal cubit (about 0.523-0.529m, roughly 7 palms or 28 digits) was the standard used to lay out the pyramids and temples. Surviving physical "cubit rods" kept by master builders show the unit was checked and standardised against official reference rods — an early form of measurement calibration.
Noah's Ark, in metric
The Book of Genesis records the Ark's dimensions as 300 × 50 × 30 cubits. Using the 18-inch cubit, that's approximately 137.2m long, 22.9m wide and 13.7m high — for scale, roughly the length of one and a half football pitches.
Why the cubit fell out of use
Body-based units like the cubit, foot and hand were gradually replaced by fixed, reproducible standards — first standardised royal reference rods, then the metric system's meter (originally defined via the Earth's meridian, later a physical bar, now the speed of light). The cubit survives mainly in historical, religious and archaeological contexts rather than everyday measurement.
| cubits | meters |
|---|---|
| 1 | 0.4572 |
| 2 | 0.9144 |
| 5 | 2.286 |
| 10 | 4.572 |
| 20 | 9.144 |
| 50 | 22.86 |
Frequently asked questions
How do I convert cubits to meters?
To convert cubits to meters, multiply by 0.4572. Or use the calculator above for instant results.
How many meters are in 1 cubit?
1 cubit equals 0.4572 meters, using the common 18-inch definition.
Is the cubits to meters converter free?
Yes, the cubits to meters converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.
Why isn't there one exact cubit-to-meter conversion?
The cubit was originally the length from the elbow to the fingertip, so it varied by person and civilization. Historical cubits range from about 0.44m to 0.56m. This converter uses the common English/biblical cubit of 18 inches (0.4572m) — always check which specific historical cubit a source means before treating a conversion as exact.
How long was Noah's Ark in cubits, and in meters?
Genesis gives the Ark's dimensions as 300 × 50 × 30 cubits. Using the 18-inch cubit, that's approximately 137.2m long, 22.9m wide and 13.7m high.
What was the ancient Egyptian royal cubit used for?
The Egyptian royal cubit (about 0.523-0.529m) was the standard used to lay out the pyramids and temples. Surviving physical "cubit rods" show the unit was checked and standardised against official reference rods.