How to convert stones to kilograms
Formula: kg = st × 6.35029
Worked example: 11 st → 11 × 6.35029 = 69.8532 kg
Divide kilograms by 6.35029 to get stones. The decimal part is not pounds: 70 kg = 11.02 st, which is 11 st 0.3 lb. Multiply the decimal part by 14 to read the remaining pounds.
Stones to kilograms conversion chart
| Stones (st) | Kilograms (kg) |
|---|---|
| 1 st | 6.35029 kg |
| 2 st | 12.7006 kg |
| 3 st | 19.0509 kg |
| 4 st | 25.4012 kg |
| 5 st | 31.7515 kg |
| 6 st | 38.1018 kg |
| 7 st | 44.4521 kg |
| 8 st | 50.8023 kg |
| 9 st | 57.1526 kg |
| 10 st | 63.5029 kg |
| 12 st | 76.2035 kg |
| 15 st | 95.2544 kg |
| 20 st | 127.006 kg |
| 25 st | 158.757 kg |
| 30 st | 190.509 kg |
| 40 st | 254.012 kg |
| 50 st | 317.515 kg |
| 75 st | 476.272 kg |
| 100 st | 635.029 kg |
| 250 st | 1,587.57 kg |
| 500 st | 3,175.15 kg |
| 1,000 st | 6,350.29 kg |
What is a stone?
The stone equals 14 pounds, about 6.35 kilograms. It is still how people in the United Kingdom and Ireland state their body weight, as in 11 st 4 lb. It is rarely used in the United States or for anything other than people.
What is a kilogram?
The kilogram is the SI base unit of mass. Since 2019 it has been defined from the Planck constant rather than from a metal cylinder kept near Paris. Most countries use it for body weight, luggage allowances and groceries; one kilogram is about 2.2 pounds.