Seldons
kg to stone
1 kilogram = 0.157473 stone.
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How do you convert kilograms to stone?
Use this formula. It is exact — these units are defined by international agreement, not measured.
st = kg ÷ 6.35029318
Example: 10 kg × 0.157473044 = 1.57473 st.
kg to stone conversion table
Common values, rounded to six significant figures.
| kg | st |
|---|---|
| 1 kg | 0.157473 st |
| 2 kg | 0.314946 st |
| 3 kg | 0.472419 st |
| 5 kg | 0.787365 st |
| 7 kg | 1.10231 st |
| 10 kg | 1.57473 st |
| 15 kg | 2.3621 st |
| 20 kg | 3.14946 st |
| 23 kg | 3.62188 st |
| 25 kg | 3.93683 st |
| 30 kg | 4.72419 st |
| 45 kg | 7.08629 st |
| 50 kg | 7.87365 st |
| 60 kg | 9.44838 st |
| 70 kg | 11.0231 st |
| 80 kg | 12.5978 st |
| 100 kg | 15.7473 st |
UK clinics record weight in kilograms but patients think in stones, so this conversion happens out loud in consulting rooms every day. One kilogram is about 0.157 stone, which is an awkward number — it is easier to go kg to pounds first, then divide by 14, and it gives the same answer.
Values worth remembering
These come up often enough that knowing them saves a lookup.
- 23 kg = 3.62188 sta checked bag limit
- 70 kg = 11.0231 stan average adult
- 1 kg = 0.157473 stone liter of water
Questions people ask
How many stone is 1 kilogram?
1 kilogram is 0.157473 stone.
How many kilograms is 1 stone?
1 stone is 6.35029 kilograms.
How do you convert kilograms to stone in your head?
Use × 0.16. That lands within a percent or so of the exact figure, which is close enough for packing, shipping estimates and shopping — use the calculator when the number has to be right.
Is the kilogram to stone conversion exact?
Yes. The relationship is exact by international agreement, so 0.157473044 is a definition rather than a measurement. Rounding in the answer comes from display, not from the conversion.