Convert stones to kilograms instantly. Enter a value below, or use the formula and reference table further down the page.
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How to convert stones to kilograms
Multiply the value by 6.35029318.
kg = st × 6.35029318Example: 10 st = 63.5029 kg.
Stones to Kilograms conversion table
| Stones (st) | Kilograms (kg) |
|---|---|
| 1 st | 6.3503 kg |
| 2 st | 12.7006 kg |
| 3 st | 19.0509 kg |
| 4 st | 25.4012 kg |
| 5 st | 31.7515 kg |
| 10 st | 63.5029 kg |
| 15 st | 95.2544 kg |
| 20 st | 127.0059 kg |
| 25 st | 158.7573 kg |
| 50 st | 317.5147 kg |
| 100 st | 635.0293 kg |
Frequently asked questions
How many kilograms is 1 stone?
1 stone equals 6.3503 kilograms.
What is the formula to convert st to kg?
To convert st to kg, multiply the value by 6.35029318. The full formula is: kg = st × 6.35029318.
How do I convert kilograms back to stones?
Use the same calculator above and type your value into the kilograms field instead — it converts in both directions. Or use the reverse formula: st = kg ÷ 6.35029318.
Is the st to kg conversion exact?
The conversion factor used here (6.35029318) is the standard internationally defined value. Results on this page are rounded to four decimal places for readability.