Stone and pounds to kilograms
Turn stone and pounds into kilograms. To convert stone to kilograms, multiply by 6.35.
Factors from their legal definitions.
Show the workings
| Step | Sum | Answer |
|---|---|---|
| In pounds | 11 st × 14 + 0 lb | 154 lb |
| One pound in kilograms | 0.45359237 kg | 0.454 kg |
| In kilograms | 154 × 0.4536 | 69.853 kg |
Where the figures come from
- A pound in kilograms: 0.454 kg per pound. Source: Weights and Measures Act 1985, Schedule 1. Checked 13 November 2026.
Stone and pounds to kilograms table
| Stone | Kilograms |
|---|---|
| 6 st | 38.102 kg |
| 7 st | 44.452 kg |
| 8 st | 50.802 kg |
| 9 st | 57.153 kg |
| 10 st | 63.503 kg |
| 11 st | 69.853 kg |
| 12 st | 76.204 kg |
| 13 st | 82.554 kg |
| 14 st | 88.904 kg |
| 15 st | 95.254 kg |
| 16 st | 101.605 kg |
| 17 st | 107.955 kg |
| 18 st | 114.305 kg |
| 19 st | 120.656 kg |
| 20 st | 127.006 kg |
| 21 st | 133.356 kg |
| 22 st | 139.706 kg |
How to convert stone to kilograms
One stone is 6.35 kilograms, and one kilogram is 0.1575 stone. So to turn stone into kilograms, multiply by 6.35. For example, 11 stone × 6.35 = 69.853 kilograms.
Where the numbers come from
Imperial units are defined in law as exact amounts of metric ones. These are the definitions this converter uses:
- A pound in kilograms: 0.454 kg per pound. Source: Weights and Measures Act 1985, Schedule 1.
- Pounds in a stone: 14 pounds per stone. Source: Weights and Measures Act 1985, Schedule 1.
Look up a value
- 5 stone
- 6 stone
- 7 stone
- 8 stone
- 9 stone
- 10 stone
- 11 stone
- 12 stone
- 13 stone
- 14 stone
- 15 stone
- 16 stone
- 17 stone
- 18 stone
- 19 stone
- 20 stone
- 21 stone
- 22 stone
- 23 stone
- 24 stone
- 25 stone