Stone to Kilogram Converter
Convert Stone (st) to Kilogram (kg). Results update as you type, with a conversion table and the formula below.
1 st =
6.3503 kg
st to kg conversion table
| st | kg |
|---|---|
| 1 | 6.3503 |
| 2 | 12.7006 |
| 3 | 19.0509 |
| 4 | 25.4012 |
| 5 | 31.7515 |
| 6 | 38.1018 |
| 7 | 44.4521 |
| 8 | 50.8023 |
| 9 | 57.1526 |
| 10 | 63.5029 |
| 15 | 95.2544 |
| st | kg |
|---|---|
| 20 | 127.0059 |
| 25 | 158.7573 |
| 30 | 190.5088 |
| 40 | 254.0117 |
| 50 | 317.5147 |
| 60 | 381.0176 |
| 70 | 444.5205 |
| 80 | 508.0235 |
| 90 | 571.5264 |
| 100 | 635.0293 |
How to use
- Type the st value to convert.
- The result appears instantly in kg; the swap button reverses direction.
- For common values, check the conversion table below.
Frequently asked questions
How many kg is 1 st?+
1 st = 6.3503 kg. The table below lists the values you'll reach for most often.
How accurate are the results?+
The math uses internationally standardized definitions; only the display is rounded to significant digits. Accurate enough for school, work and daily life.
How do I convert kg back to st?+
Hit the swap arrows in the middle of the converter above — the direction flips and your value is kept.
Is it really free?+
Yes. No sign-up, no install, no usage limits. The site is ad-supported.
Unit guide
The formula
1 st equals 6.3503 kg — multiply a st value by 6.3503 to get kg. Example: 5 st × 6.3503 = 31.7515 kg.
Going the other way, 1 kg = 0.157473 st — multiply by 0.157473, or hit the swap button on the converter above.
When is this conversion needed?
Useful for gym plates, recipe ingredients, international shipping weights and body-weight figures in foreign articles.