KG to Stone Converter
Convert kilograms (kg) to stone (st) instantly. Type a value — the result updates as you type, and the swap button converts the other way.
kg to Stone formula
st = kg ÷ 6.35029318
1 kilogram = 0.1575 stone · 1 stone = 6.35 kilograms
To convert kilograms to stone, divide the value by 6.35029318. For example, 70 kg:
st = 70 ÷ 6.35029318st = 11.023113
So 70 kg = 11.02 st.
Mental math shortcut
Quick mental estimate: divide by 6.35. For 70 kg that gives about 11.02 st — within 1% of the exact answer. Use the exact formula when precision matters.
kg to Stone conversion table
Stone back to kg
The same values converted the other way, rounded for everyday use:
| Stone | Kilograms |
|---|---|
| 7.87 st | 49.98 kg |
| 8.66 st | 54.99 kg |
| 9.45 st | 60.01 kg |
| 10.24 st | 65.03 kg |
| 11.02 st | 69.98 kg |
| 11.81 st | 75 kg |
| 12.6 st | 80.01 kg |
| 14.17 st | 89.98 kg |
About the units
Kilograms (kg)
The kilogram is the SI base unit of mass. 1 kg ≈ 2.2046 lb; it is used for body weight and groceries in most countries.
Stone (st)
A stone is 14 pounds (about 6.35 kg). It is commonly used in the UK and Ireland for body weight.
Frequently asked questions
How many stone are in a kilogram?
One kilogram equals 0.1575 stone.
What is 70 kg in Stone?
70 kg = 11.02 st.
How do I convert Stone back to kg?
Multiply the stone by 6.35029318. Or use the Stone to KG converter.