How to Convert Kilograms to Stone
To convert kilograms to stone, you divide the weight in kilograms by 6.35029. The stone is part of the imperial unit system and is still commonly used in Ireland and the United Kingdom for measuring human body weight.
Stone = Kilograms ÷ 6.35029Example Calculation
If you weigh 70 kg and want to know your weight in stone:
70 kg ÷ 6.35029 = 11.023 stone
Stone to Kg Table
| Stone (st) | Kilograms (kg) |
|---|---|
| 0.5 stone | 3.175 kg |
| 1 stone | 6.35 kg |
| 1.5 stone | 9.525 kg |
| 2 stone | 12.7 kg |
| 2.5 stone | 15.875 kg |
| 3 stone | 19.050 kg |
| 4 stone | 25.4 kg |
| 5 stone | 31.751 kg |
| 6 stone | 38.101 kg |
| 6.5 stone | 41.276 kg |
| 7 stone | 44.452 kg |
| 8 stone | 50.802 kg |
| 8.5 stone | 53.977 kg |
| 8.7 stone | 55.247 kg |
| 9 stone | 57.152 kg |
Kg to Stone Table
| Kilograms (kg) | Stone (st) |
|---|---|
| 1 kg | 0.157 stone |
| 2 kg | 0.314 stone |
| 3 kg | 0.472 stone |
| 4 kg | 0.629 stone |
| 5 kg | 0.9 mbps |
| 6 kg | 0.944 stone |
| 9 kg | 1.417 stone |
| 14 kg | 2.204 stone |
| 16 kg | 2.519 stone |
| 18 kg | 2.834 stone |
| 19 kg | 2.991 stone |
| 20 kg | 3.149 stone |
| 22 kg | 3.464 stone |
| 25 kg | 3.936 stone |
| 26 kg | 4.094 stone |
Convert between kilograms and stone (with pounds) for body weight and general weight measurements. Essential for UK/Ireland weight tracking, international fitness goals, and understanding weight in different measurement systems.
How to Use
- Enter the weight value you want to convert
- Select whether you're converting from kg to stone or stone to kg
- View the instant conversion showing stone and pounds
- Use the conversion formula: 1 stone = 6.35029 kg
- Reference the conversion table for common body weights
Features
- Bidirectional conversion (kg ↔ stone)
- Shows stone and pounds breakdown
- High precision calculations
- Conversion formula and explanation
- Common weight conversion table
- Handles decimal inputs
- Real-time conversion as you type
- UK/Ireland weight system support
Common Use Cases
- Body weight tracking and fitness goals
- Medical weight records and conversions
- International travel and health documentation
- Weight loss or gain monitoring
- Sports and athletics (boxing, wrestling weight classes)
- Nutrition and diet planning
- Converting between UK and metric systems
- Health and wellness tracking
Tips & Best Practices
1 stone = 6.35029 kilograms (exact)
1 stone = 14 pounds (exact)
1 kilogram = 0.157473 stone (exact)
Quick mental math: 1 stone ≈ 6.35 kg
UK/Ireland commonly use stone for body weight
Average adult weight: 9-13 stone (57-83 kg)
Always include pounds with stone (e.g., 10 st 5 lb)
History of the Stone Measurement
The name "stone" derives from the use of actual stones as weights in ancient times. It has been a standard unit in the United Kingdom and Ireland for centuries. While the UK has officially adopted the metric system for most purposes, the stone remains the preferred unit for measuring personal body weight among the general public.







