Weight converter
Convert common mass units accurately.
How to use
Enter a value and select the two mass units.
Try an example
1 kg = 1000 g and 1 tonne = 1000 kg.
Support & limits
Ounce and pound are avoirdupois, not troy; tonne is the metric tonne.
Common questions
What should I check before using the result?
Ounce and pound are avoirdupois, not troy; tonne is the metric tonne.