Weight Converter
Convert between kilograms, pounds, ounces, grams, stones, and other weight/mass units.
Convert between kilograms, pounds, ounces, grams, stones, and other weight/mass units instantly. Critical for recipes, shipping labels, fitness tracking, medical dosages, and science homework.
The US uses pounds and ounces; most of the world uses kilograms and grams. One kilogram equals 2.20462 pounds; one pound equals 16 ounces. Our converter uses precise standard factors.
Type in any unit and see all equivalents update live. Switch direction without re-entering values — ideal for comparing luggage limits or gym plate weights abroad.
Free, no account. Part of our full unit conversion suite alongside length and temperature tools.
Formula
1 kg = 2.20462 lb · 1 lb = 16 oz · 1 stone = 14 lb
Common Uses
- ✓Recipe and baking weight conversions
- ✓Gym and body weight tracking abroad
- ✓Shipping and postage weight limits
- ✓Science lab unit homework
- ✓Medical dose weight conversions
How to Use the Weight Converter
- 1
Pick the source unit
Select kg, lbs, oz, grams, or stone.
- 2
Enter your value
Input the weight you want to convert.
- 3
Choose the target unit
Select the output unit for instant conversion.
💡 Tips & Tricks
- •Kitchen scales often toggle between g and oz — verify which unit is displayed.
- •Shipping labels may use lbs while product specs use kg.
- •For body weight, pick consistent units when tracking over time.
Frequently Asked Questions
How do I convert kg to lbs?
How many ounces in a pound?
What is a stone in weight?
Is weight the same as mass?
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