Stone to Kilograms
Enter a value in Stone and get the result in Kilograms instantly.
1 st = 6.3503 kg
How to convert Stone to Kilograms
Multiply the number of Stone by 6.3503 to get Kilograms. To go the other way, divide by that same number instead.
Stone to Kilograms conversion table
| Stone | Kilograms |
|---|---|
| 1 st | 6.3503 kg |
| 2 st | 12.7006 kg |
| 3 st | 19.0509 kg |
| 5 st | 31.7515 kg |
| 10 st | 63.5029 kg |
| 20 st | 127.0059 kg |
| 50 st | 317.5147 kg |
| 100 st | 635.0293 kg |
Mass and weight units
One kilogram equals exactly 2.20462 pounds, and one pound is defined as 0.45359237 kg. The stone, still common in the UK for body weight, is 14 pounds. Note that ounces here are units of mass — fluid ounces measure volume and are a different unit entirely.
Common questions
How many kilograms are in 1 st?
One st equals 6.3503 kg. Multiply any number of stone by 6.3503 to get the same amount in kilograms.
How do I convert stone to kilograms quickly?
For a rough figure in your head, round 6.3503 to the nearest easy number and adjust. Use the converter above when the exact value matters.
Is this conversion exact?
The ratio between stone and kilograms is a fixed, defined value, so the conversion is exact. Results are rounded for display only.