kg to stone
1 kilogram equals 0.157473 stone. Formula: stone = kilograms ÷ 6.35029.
= 12.5978 st
Other direction: stone to kg
Formula
stone = kilograms ÷ 6.35029
Example: 80 kg = 12.5978 st.
When you need kg to stone
Stone is the customary unit for body weight in the UK and Ireland. If your scale or medical record reads kilograms, dividing by 6.35 gives stone: 80 kg is about 12.6 st, usually spoken as “12 stone 8” because the fraction is expressed in pounds (1 stone = 14 lb).
To get that spoken form, take the whole stones, then multiply the remainder by 14: 80 kg → 12.5984 st → 12 st + 0.5984 × 14 ≈ 12 st 8 lb.
Common kg to st values
| Kilograms (kg) | Stone (st) |
|---|---|
| 50 | 7.8737 |
| 60 | 9.4484 |
| 70 | 11.0231 |
| 75 | 11.8105 |
| 80 | 12.5978 |
| 85 | 13.3852 |
| 90 | 14.1726 |
| 100 | 15.7473 |
| 110 | 17.322 |
| 120 | 18.8968 |
FAQ
How many kg is one stone?
One stone is 6.35029 kg (exactly 14 pounds). To convert kilograms to stone, divide by 6.35.
How do I express kg as stone and pounds?
Divide kilograms by 6.35029 to get decimal stone, keep the whole number, then multiply the remainder by 14 for pounds. Example: 80 kg = 12.598 st = 12 st 8 lb.