How the weight converter works
Every unit converts through a common base unit (kilograms):
Value in kg = Input × (unit's kg factor)
Result = Value in kg ÷ (target unit's kg factor)
Result = Value in kg ÷ (target unit's kg factor)
| Unit | Kilograms |
|---|---|
| 1 pound (lb) | 0.453592 kg |
| 1 ounce (oz) | 0.0283495 kg |
| 1 stone (st) | 6.35029 kg |
Step-by-step guide
- Enter the value you want to convert.
- Choose the unit you're converting from and to.
- The result updates instantly as you type.
Common conversions
| From | To | Multiply by |
|---|---|---|
| Kilograms | Pounds | 2.20462 |
| Pounds | Kilograms | 0.453592 |
| Kilograms | Stone | 0.157473 |
Frequently asked questions
Stone is a traditional unit still commonly used for body weight in the UK and Ireland — 1 stone equals 14 pounds.
Conversions use internationally standardized factors and display up to 5 decimal places.