Convert Kilograms to Stone
1 kilogram (kg) equals 0.1574730444 stone (st).
1 kg = 0.1574730444 st
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk kilogram to stone converter to paste a column from Excel.
How to Convert Kilogram to Stone
- 1 kg = 0.1574730444 st
- 1 st = 6.35029318 kg
- Example: convert 70 kg to st: 70 kg = 70 × 0.1574730444 st = 11.02311311 st
Reference conditions. st: Avoirdupois system: 1 lb = 16 oz = 7000 grains = 0.45359237 kg exactly (1959 agreement).
Formula
st = kg × 0.1574730444178
or st = kg ÷ 6.35029318
Derivation from SI units:
- SI base unit, fixed by the Planck constant h = 6.626 070 15 × 10⁻³⁴ J·s
- 1 st = 14 lb = 6.35029318 kg (exact)
Both units are defined exactly, so the factor is exact. Kilogram definition: kilogram; Stone definition: stone.
Worked examples
- A body weight of 70 kg is 11.02311311 st (11 st 0.3 lb).
70 kg × 0.1574730444 = 11.02311311 st - 90 kg is 14.172574 st.
90 kg × 0.1574730444 = 14.172574 st
Kilogram to Stone conversion table
| Kilograms (kg) | Stone (st) |
|---|---|
| 0.1 kg | 0.01574730444 st |
| 0.25 kg | 0.0393682611 st |
| 0.5 kg | 0.07873652221 st |
| 1 kg | 0.1574730444 st |
| 2 kg | 0.3149460888 st |
| 2.5 kg | 0.393682611 st |
| 3 kg | 0.4724191333 st |
| 5 kg | 0.7873652221 st |
| 10 kg | 1.574730444 st |
| 15 kg | 2.362095666 st |
| 20 kg | 3.149460888 st |
| 23 kg | 3.621880022 st |
| 25 kg | 3.93682611 st |
| 30 kg | 4.724191333 st |
| 40 kg | 6.298921777 st |
| 50 kg | 7.873652221 st |
| 55 kg | 8.661017443 st |
| 60 kg | 9.448382665 st |
| 65 kg | 10.23574789 st |
| 70 kg | 11.02311311 st |
| 75 kg | 11.81047833 st |
| 80 kg | 12.59784355 st |
| 90 kg | 14.172574 st |
| 100 kg | 15.74730444 st |
| 150 kg | 23.62095666 st |
| 1000 kg | 157.4730444 st |
Where it's used
Body weights in kilograms are converted to stone for UK and Irish audiences, usually as stones and pounds.
Kilogram to other weight and mass units
| Conversion | 1 kg equals |
|---|---|
| kilogram to gram | 1000 g |
| kilogram to milligram | 1000000 mg |
| kilogram to microgram | 1000000000 µg |
| kilogram to metric ton | 0.001 t |
| kilogram to pound | 2.204622622 lb |
| kilogram to ounce | 35.27396195 oz |
| kilogram to stone | 0.1574730444 st |
| kilogram to short ton | 0.001102311311 ton (US) |
| kilogram to long ton | 0.0009842065276 ton (UK) |
| kilogram to grain | 15432.35835 gr |
| kilogram to troy ounce | 32.15074657 oz t |
| kilogram to carat | 5000 ct |
Frequently asked questions
How many kg is 1 stone?
1 st = 6.35029318 kg exactly, so 1 kg = 0.157473 st.
How many stone are in 1 kilogram?
1 kg = 0.1574730444 st.
How do I convert kilograms to stone?
Multiply the value in kg by 0.1574730444, or divide it by 6.35029318. For example, 70 kg × 0.1574730444 = 11.02311311 st.
Is the kg to st conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Section 2.3.1, base unit definitions.
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, pound (avoirdupois).
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Kilograms to Stone. Retrieved October 17, 2026, from https://scientificconverters.com/mass/kilograms-to-stone/
IEEE
Scientific Converters, "Convert Kilograms to Stone," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/mass/kilograms-to-stone/