How to Calculate Stone to KG Converter
What is Stone to KG Converter?
A stone to kilograms converter converts the British imperial unit of weight (stone) to kilograms. One stone equals 14 pounds or 6.35029 kilograms. Stone is commonly used for body weight in the UK and Ireland.
Formula
kg = stone × 6.35029
- st
- Stone (st) — Imperial weight unit; 1 st = 14 pounds
- kg
- Kilograms (kg) — Metric weight unit
Step-by-Step Guide
- 11 stone = 14 pounds
- 21 stone = 6.35029 kg
- 3kg = stone × 6.35029
- 4kg = (stone × 14) × 0.453592
Worked Examples
Input
10 stone (average adult)
Result
63.50 kg
Input
12 stone 7 lbs
Result
79.38 kg
Input
15 stone
Result
95.25 kg
Frequently Asked Questions
What is a stone?
1 stone = 14 pounds = 6.35 kg. UK tradition for body weight and some other applications.
How do I convert stone and pounds to kg?
Multiply stone by 6.35, then add (pounds ÷ 14) × 6.35. Example: 10 st 7 lb = 10 × 6.35 + 7/14 × 6.35 = 66.3 kg.
When do I need stone?
When reading UK fitness records, medical charts, or talking to British people about body weight. Most of the world uses kg.
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