Stone to Kilograms Converter (st to kg)
Type a value in stone to see it in kilograms instantly.
1 stone (st) = 6.35029318 kilograms (kg)
1 kilogram (kg) = 0.157473044 stone (st)
How to convert stone to kilograms
Multiply the number of stone by 6.35029318.
kg = st × 6.35029318
Example: 11 st × 6.35029318 = 69.8532 kg
Body weight in the UK is often written as stones and pounds, such as 11 st 4 lb. Convert the stones to pounds (× 14), add the remaining pounds, then multiply by 0.45359237: 11 st 4 lb = 158 lb = 71.67 kg.
st to kg conversion table
| Stone (st) | Kilograms (kg) |
|---|---|
| 1 st | 6.35029 kg |
| 2 st | 12.7006 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 |
| 10.5 st | 66.6781 kg |
| 11 st | 69.8532 kg |
| 11.5 st | 73.0284 kg |
| 12 st | 76.2035 kg |
| 12.5 st | 79.3787 kg |
| 13 st | 82.5538 kg |
| 14 st | 88.9041 kg |
| 15 st | 95.2544 kg |
| 16 st | 101.605 kg |
| 17 st | 107.955 kg |
| 18 st | 114.305 kg |
| 20 st | 127.006 kg |
About the units
Stone (st)
A stone is 14 pounds, or 6.35029318 kilograms. In the UK and Ireland body weight is still commonly given in stones and pounds.
Kilogram (kg)
The kilogram is the SI base unit of mass. Since 2019 it has been defined by fixing the value of the Planck constant, rather than by a physical prototype.
Frequently asked questions
How many kilograms are in 1 stone?
1 stone equals 6.35029318 kilograms.
How do I convert stone to kilograms?
Multiply the number of stone by 6.35029318. For example, 11 st × 6.35029318 = 69.8532 kg.
How many stone are in 1 kilogram?
1 kilogram equals 0.157473044 stone.
How many pounds are in a stone?
There are exactly 14 pounds in one stone.
Related conversions
- kg to lbKilograms to Pounds
- lb to kgPounds to Kilograms
- g to ozGrams to Ounces
- oz to gOunces to Grams
Background reading: Metric vs. Imperial.