Stone to Kilograms Converter
Enter stone to get kilograms instantly. Works both ways.
How to convert stone to kg
To convert stone to kilograms, multiply by 6.35029. For example, 5 stone × 6.35029 = 31.7515 kg.
Need it the other way? Convert kilograms to stone.
Stone to Kilograms at a glance
- 1 stone = 6.350293 kilograms
- 5 stone = 31.75147 kilograms
- 10 stone = 63.50293 kilograms
- 50 stone = 317.5147 kilograms
- 100 stone = 635.0293 kilograms
- 1 kilogram = 0.157473 stone (the reverse)
Worked examples
25 stone × 6.350293 = 158.7573 kilograms.
250 stone × 6.350293 = 1,587.573 kilograms.
1,500 stone × 6.350293 = 9,525.44 kilograms.
Converting back
To go from kilograms back to stone, divide by 6.350293 (or multiply by 0.157473). For example, 100 kilograms ÷ 6.350293 = 15.7473 stone.
Using a rounded factor
For a quick estimate you can use 6.4 in place of 6.350293. That is accurate to within about 0.8%, which is fine for rough checks but not for exact work.
Stone to kg chart
| Stone | Kilograms |
|---|---|
| 0.1 stone | 0.635029 kg |
| 0.25 stone | 1.58757 kg |
| 0.5 stone | 3.17515 kg |
| 1 stone | 6.35029 kg |
| 2 stone | 12.7006 kg |
| 3 stone | 19.0509 kg |
| 4 stone | 25.4012 kg |
| 5 stone | 31.7515 kg |
| 6 stone | 38.1018 kg |
| 7 stone | 44.4521 kg |
| 8 stone | 50.8023 kg |
| 9 stone | 57.1526 kg |
| 10 stone | 63.5029 kg |
| 15 stone | 95.2544 kg |
| 20 stone | 127.006 kg |
| 25 stone | 158.757 kg |
| 30 stone | 190.509 kg |
| 40 stone | 254.012 kg |
| 50 stone | 317.515 kg |
| 75 stone | 476.272 kg |
| 100 stone | 635.029 kg |
| 250 stone | 1,587.57 kg |
| 500 stone | 3,175.15 kg |
| 1,000 stone | 6,350.29 kg |
More weight & mass conversions
Frequently asked questions
How many kilograms are in one stone?
There are 6.35029 kilograms in one stone.
How do I convert stone to kg?
Multiply the value in stone by 6.35029.
How many stone are in one kilogram?
There are 0.157473 stone in one kilogram.
What is 10 stone in kilograms?
10 stone = 63.50293 kilograms.
How do I convert kilograms back to stone?
Divide the value in kilograms by 6.350293, or multiply it by 0.157473.
Can I use a rounded factor for stone to kilograms?
For quick estimates, 6.4 is close (within about 0.8%). Use 6.350293 when you need the full figure.