How to convert stone to kilograms
kg = st × 6.35029318
Example: 5 st × 6.35029318 = 31.7514659 kg
Stone to Kilograms table
| Stone (st) | Kilograms (kg) |
|---|---|
| 0.5 st | 3.1751466 kg |
| 1 st | 6.3502932 kg |
| 2 st | 12.700586 kg |
| 3 st | 19.05088 kg |
| 4 st | 25.401173 kg |
| 5 st | 31.751466 kg |
| 6 st | 38.101759 kg |
| 7 st | 44.452052 kg |
| 8 st | 50.802345 kg |
| 9 st | 57.152639 kg |
| 10 st | 63.502932 kg |
| 15 st | 95.254398 kg |
| 20 st | 127.00586 kg |
| 25 st | 158.75733 kg |
| 30 st | 190.5088 kg |
| 40 st | 254.01173 kg |
| 50 st | 317.51466 kg |
| 75 st | 476.27199 kg |
| 100 st | 635.02932 kg |
| 250 st | 1,587.5733 kg |
| 500 st | 3,175.1466 kg |
| 1,000 st | 6,350.2932 kg |
About these units
Stone (st): A stone is 14 pounds, about 6.35 kg. People in the UK and Ireland often give their body weight in stones and pounds.
Kilograms (kg): The kilogram is the SI base unit of mass, defined through the Planck constant since 2019. It equals 1,000 grams.
Frequently asked questions
How many kilograms are in 1 stone?
1 stone equals 6.35029318 kilograms (kg).
How do I convert st to kg?
Multiply the value in stone by 6.35029318. For example, 5 st × 6.35029318 = 31.7514659 kg.
How do I convert kilograms back to stone?
Multiply by 0.1574730444 (or divide by 6.35029318). 1 kg = 0.1574730444 st.
What is a stone?
A stone is 14 pounds, about 6.35 kg. People in the UK and Ireland often give their body weight in stones and pounds.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every weight / mass unit at once? Use the Weight Converter.