Weight Converter
Convert weight and mass between common metric, imperial, and US customary units.
Free to use • No account required • Nine supported units
Convert weight
Enter a value, choose the source unit, and choose the target unit.
How weight conversion works
Omnivaro converts the source value to kilograms first, then converts that kilogram value to the selected target unit.
Kilograms = Value × source unit factor
Result = Kilograms ÷ target unit factor
Supported units are milligrams, grams, kilograms, metric tons, ounces, pounds, stone, US tons, and imperial tons.