1 kilogram = 0.157473044 stone
UK clinical records store body weight in kilograms while patients think in stone, making this one of the most-used conversions in British healthcare. One stone is 6.35029318 kg.
Formula st = kg × 0.157473044418
Type in either field — the other updates on every keystroke. Need other units? Open the full weight converter.
| Kilogram | Stone |
|---|---|
| 1 kg | 0.157473 st |
| 2 kg | 0.314946 st |
| 3 kg | 0.472419 st |
| 4 kg | 0.629892 st |
| 5 kg | 0.787365 st |
| 10 kg | 1.57473 st |
| 15 kg | 2.362096 st |
| 20 kg | 3.149461 st |
| 25 kg | 3.936826 st |
| 50 kg | 7.873652 st |
| 100 kg | 15.747304 st |
| 500 kg | 78.736522 st |
| 1000 kg | 157.473044 st |
| Stone | Kilogram |
|---|---|
| 1 st | 6.350293 kg |
| 2 st | 12.700586 kg |
| 3 st | 19.05088 kg |
| 4 st | 25.401173 kg |
| 5 st | 31.751466 kg |
| 10 st | 63.502932 kg |
| 15 st | 95.254398 kg |
| 20 st | 127.005864 kg |
| 25 st | 158.757329 kg |
| 50 st | 317.514659 kg |
| 100 st | 635.029318 kg |
| 500 st | 3175.14659 kg |
| 1000 st | 6350.29318 kg |
| Situation | From | To |
|---|---|---|
| Light adult | 50 kg | 7.874 st |
| Adult | 60 kg | 9.448 st |
| Adult | 70 kg | 11.02 st |
| Adult | 80 kg | 12.6 st |
| Heavier adult | 100 kg | 15.75 st |
Divide kilograms by 6.35, or convert to pounds (× 2.2) and then divide by 14. For 70 kg that gives about 11 st.
UK body weights are given in stones and pounds even where scales read kilograms. 70 kg is about 11 st 0 lb, and 80 kg is 12 st 8 lb.
Decimal stones are not stone-and-pounds: 12.6 st is 12 st 8.4 lb, not 12 st 6 lb.
One stone is exactly 6.35029318 kg, which is 14 × 0.45359237.
The stone (14 pounds) is still used for body weight in the UK.
Related guides: Imperial vs metric: differences and quick conversion tricks