Convert Units of Weight and Mass
Enter a weight, pick the unit you have and the unit you need, and the converted value appears at once. The same weight is also shown in every other unit, with a quick table for common amounts — useful for recipes, parcels, body weight and gold.
The pound is defined as exactly 0.45359237 kg, the ounce as 1/16 of a pound and the stone as 14 pounds. Everything is calculated in your browser.
Why Use This Weight Converter?
- Metric and imperial units: kg, g, mg, t, lb, oz, st, ct and tons
- Result as you type, with a swap button
- The weight in all units at once, plus a quick conversion table
- Exact international conversion factors
How to Convert Weight
- Type the weight you want to convert
- Choose the units in the "From" and "To" lists
- Read the result or copy it with one click
Frequently Asked Questions
Is this weight converter free?
Yes, it is completely free and has no limits.
How many pounds are in a kilogram?
One kilogram is about 2.20462 pounds. One pound is exactly 0.45359237 kilograms, so to convert pounds to kilograms you multiply by 0.4536.
What is the difference between a US ton and a UK ton?
A US (short) ton is 2,000 pounds, about 907 kg. A UK (long) ton is 2,240 pounds, about 1,016 kg. A metric tonne is exactly 1,000 kg.
Is any data sent to a server?
No. All conversions are calculated in your browser.