What Is a Weight Converter?
A weight converter instantly converts between units of weight and mass — kilograms, pounds, ounces, grams, stone, and metric tonnes. Whether you are cooking, shipping, tracking fitness, or working across the metric and imperial systems, accurate conversions matter. Enter a value in any unit and the calculator shows the equivalent in all the others.
How to Use the Converter
- Enter a value.
- Select the unit you are converting from.
- See the equivalent in all other units instantly.
Common Conversion Factors
| Conversion | Factor |
|---|---|
| 1 kilogram | 2.20462 pounds |
| 1 pound | 16 ounces |
| 1 pound | 0.453592 kilograms |
| 1 stone | 14 pounds |
| 1 kilogram | 1,000 grams |
| 1 tonne | 1,000 kilograms |
Quick Reference
To convert kilograms to pounds, multiply by 2.205. To convert pounds to kilograms, multiply by 0.454. To convert grams to ounces, divide by 28.35. Stone, common in the UK for body weight, equals 14 pounds.
Metric vs Imperial
- Metric: grams, kilograms, and tonnes — used in most of the world.
- Imperial / US: ounces and pounds — common in the US.
- Stone: mainly used in the UK and Ireland for body weight.
Where Weight Conversion Helps
- Cooking and baking: converting recipe measurements.
- Shipping: matching package weight to carrier units.
- Health and fitness: tracking body weight across systems.
- Travel: understanding luggage limits abroad.
Frequently Asked Questions
How do you convert kg to lbs?
Multiply the kilograms by 2.20462. For example, 70 kg × 2.20462 ≈ 154.3 pounds.
How many ounces are in a pound?
There are 16 ounces in one pound.
How many pounds are in a stone?
One stone equals 14 pounds, a unit commonly used in the UK for body weight.
How do I convert grams to ounces?
Divide the number of grams by 28.35. For example, 100 grams ÷ 28.35 ≈ 3.53 ounces.
Is this weight converter free?
Yes — it is completely free, requires no signup, and converts between all common weight units.