Conversion formula
A stone is defined as 14 pounds, and one pound is exactly 0.45359237 kg.
Exact values used
- 1 stone = 14 pounds
- 1 pound = 0.45359237 kg
- 1 stone = 14 x 0.45359237 = 6.35029318 kg
Exact stone definition
How Many Kg Are in a Stone?
There are exactly 6.35029318 kilograms in one stone. Use the calculator to scale that answer to any number of stone.
Stones to Kilograms
Convert stones (st) to kilograms (kg) instantly.
0.1 st0.64 kg
0.5 st3.18 kg
1 st6.35 kg
5 st31.75 kg
10 st63.5 kg
50 st317.51 kg
Related weight converters
Examples
| Input | Calculation | Result |
|---|---|---|
| 1 stone | 1 x 6.35029318 | 6.35 kg |
| 2 stone | 2 x 6.35029318 | 12.70 kg |
| 5 stone | 5 x 6.35029318 | 31.75 kg |
FAQs
How many kilograms are in exactly one stone?
Exactly one stone is 6.35029318 kilograms.
Why is one stone 6.35029318 kg?
One stone is 14 pounds, and one pound is exactly 0.45359237 kg. Multiplying those gives 6.35029318 kg.
How many kg is half a stone?
Half a stone is 3.17514659 kg, usually rounded to 3.18 kg.