Convert Stones to kilograms
1 stone = 6.3503 kilograms · kg = st × 6.35029318
When you need this conversion
Stones are used almost exclusively in the UK and Ireland for body weight, where someone might say they weigh 11 stone rather than 70 kilograms. Because medical charts, scales, and fitness apps increasingly report kilograms, this conversion is mostly about translating a clinical number back into the unit people actually think in.
Stones to kilograms conversion table
| Stones (st) | Kilograms (kg) |
|---|---|
| 1 st | 6.3503 kg |
| 2 st | 12.7006 kg |
| 3 st | 19.0509 kg |
| 5 st | 31.7515 kg |
| 10 st | 63.5029 kg |
| 15 st | 95.2544 kg |
| 20 st | 127.01 kg |
| 25 st | 158.76 kg |
| 50 st | 317.51 kg |
| 75 st | 476.27 kg |
| 100 st | 635.03 kg |
| 250 st | 1,587.57 kg |
| 500 st | 3,175.15 kg |
| 1,000 st | 6,350.29 kg |
The formula
kg = st × 6.35029318Because both units measure weight, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Kilograms to stones →Related weight conversions
- Pounds to kilograms
- Grams to ounces
- Grams to carats
- Kilograms to pounds
- Metric tons to US tons
- Ounces to grams
- US tons to metric tons
- Carats to grams
- Milligrams to kilograms
- Grams to kilograms
- Metric tons to kilograms
- Ounces to kilograms
Frequently asked questions
- How many kilograms are in a stone?
- There are 6.3503 kilograms in 1 stone. The formula is kg = st × 6.35029318.
- How do you convert stones to kilograms?
- Use the formula kg = st × 6.35029318. For example, 10 stones equals 63.5029 kilograms.
- Is the stones to kilograms conversion exact?
- Yes. Stones and kilograms are both units of weight, related by an exact defined factor. Displayed results are rounded for readability.
- What is st short for?
- st is the standard symbol for stone. kg is the symbol for kilogram.