Stone to Kilogram Converter
Convert stone to kilogram instantly.
Standard weight units
Fun comparisons
How to convert stone to kilogram
Enter your value in stone and get the equivalent in kilogram instantly. Every result comes with a real-world comparison - like the weight of elephants or smartphones - to put the number in context.
Stone is the standard body weight unit in the UK and Ireland, while kilograms are used in most other countries. Converting stone to kg is common for medical records and international travel.
Need the opposite direction? Convert kilogram to stone just as easily, or explore all our weight conversions.
Common stone to kilogram conversions
| Stone (st) | Kilogram (kg) |
|---|---|
| 1 | 6.35029 |
| 5 | 31.7515 |
| 10 | 63.5029 |
| 25 | 158.757 |
| 50 | 317.515 |
| 100 | 635.029 |
| 500 | 3175.15 |
| 1000 | 6350.29 |
Frequently asked questions
1 stone equals 6.35029 kilogram.
Multiply by 6.35029. For example, 5 st = 31.7515 kg.
8 stone 6 pounds equals approximately 53.5 kg. To calculate: 8 × 6.35 + 6 × 0.4536 = 50.8 + 2.72 = 53.5 kg.
1 kilogram equals 0.157473 stone.
100 stone equals 635.029 kilogram.