To convert stones to kilograms, use kilograms = stones × 6.35029318. For example, 5 st = 31.7515 kg.
How to convert Stones to KG
- Type the value in stones.
- The answer in kilograms appears instantly, with the formula.
- Use ⇄ to swap the direction, or pick other units.
Stones to KG formula
kilograms = stones × 6.35029318
Example: 5 st = 31.7515 kg.
Reverse: 1 kg = 0.15747304 st (see KG to Stones).
Stones to KG conversion table
| Stone (st) | Kilogram (kg) |
|---|---|
| 1 | 6.35029 |
| 2 | 12.7006 |
| 3 | 19.0509 |
| 4 | 25.4012 |
| 5 | 31.7515 |
| 6 | 38.1018 |
| 7 | 44.4521 |
| 8 | 50.8023 |
| 9 | 57.1526 |
| 10 | 63.5029 |
| 11 | 69.8532 |
| 12 | 76.2035 |
| 15 | 95.2544 |
| 20 | 127.006 |
| 25 | 158.757 |
| 30 | 190.509 |
| 40 | 254.012 |
| 50 | 317.515 |
| 60 | 381.018 |
| 70 | 444.521 |
| 75 | 476.272 |
| 80 | 508.023 |
| 90 | 571.526 |
| 100 | 635.029 |
| 150 | 952.544 |
| 200 | 1,270.06 |
| 250 | 1,587.57 |
| 500 | 3,175.15 |
| 1,000 | 6,350.29 |
About these units
Stone (st): 14 pounds, about 6.35 kg. Used for body weight in the UK and Ireland.
Kilogram (kg): The SI base unit of mass. Used for body weight and groceries in most countries.
Frequently asked questions
How many kilograms are in a stone?
There are 6.3502932 kilograms in one stone.
How do I convert stones to kilograms?
kilograms = stones × 6.35029318. Example: 5 st = 31.7515 kg.
Updated October 2026 · Built and tested by Sharjeel Tahir · How our tools are tested