⚖️ Weight & Mass
stone+pounds to kg Converter
Convert stone+pounds to kg instantly with a reference conversion table.
stone+pounds to kg
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Common conversions
| stone+pounds | kg |
|---|
Formula:
How to convert stone+pounds to kg
1
Enter your value
Type the number of stone+pounds you want to convert into the left box. The result in kg appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — kg to stone+pounds. Your current value carries across so you don't have to re-enter anything.
3
About stone+pounds and kg
stone+pounds and kg are common weight measurements.
Reviewed for 2026. stone+pounds ↔ kg conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.
Frequently asked questions
How do I convert stone+pounds to kg?
Use the calculator above to convert stone+pounds to kg instantly.
How many kg are in 1 stone+pounds?
Use the calculator above to find the exact conversion.
Is the stone+pounds to kg converter free?
Yes, the stone+pounds to kg converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.