How to convert kg to stone?
Type a value in either box, and the answer shows it in the other unit as you type.
- Stone (st)
- 0.157473
1 kg = 0.157473 st (0 st 2.2 lb).
- Stone and pounds
- 0 st 2.2 lb
Stone (st): 0.157473. 1 kg = 0.157473 st (0 st 2.2 lb).
Stone (st) by kilograms (kg)
How to calculate
Converts kilograms (kg) to stone (st) and back, with the exact unit definitions.
Example with the default inputs (Kilograms (kg) 1): 1 kg = 0.157473 st (0 st 2.2 lb).
Formula: st = kg × 0.157473044418 (the same as kg ÷ 6.35029318)
- 1 kilogram = 0.157473044418 stone, from the exact definitions in NIST SP 811.
- Exact on the typed decimals: at most 6 decimal places (6 significant digits below 0.0001), rounded half up.
- Stone and pounds use the box you typed; pounds round half up to 0.01, and 14.00 carries.
Worked examples
Each example is checked against the calculator on every build.
- Kilograms (kg) 1 gives Stone (st) 0.157473.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
- Kilograms (kg) 63.502932 gives Stone (st) 10.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
- Stone (st) 10 gives Kilograms (kg) 63.502932.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
Other questions people ask
How many stone are in a kilogram?
1 kilogram is 0.157473 stone, from the exact unit definitions (NIST SP 811).
How do I convert kg to stone?
Multiply by 0.157473: st = kg × 0.157473044418 (the same as kg ÷ 6.35029318). For example, 1 kg × 0.157473 = 0.157473 st.
How do I convert stone back to kg?
Multiply by 6.350293, or type the stone into the second box and the converter works it out. 1 stone is 6.350293 kilograms.
How many pounds are in a stone?
14 (NIST Handbook 44). A pound is exactly 0.45359237 kg, so a stone is 14 × 0.45359237 = 6.35029318 kg.
What is 70 kg in stone and pounds?
70 kg is 154.3236 lb (70 ÷ 0.45359237). 154.3236 ÷ 14 is 11 whole stone with 0.32 lb left over, so 11 st 0.32 lb, or 11.023113 stone.
Where is the stone used?
Mostly in the UK and Ireland, for body weight. It is not a US unit: US scales show pounds.