Mass Converter
Instantly convert Mass between SI and common engineering units including Kilogram (kg), Gram (g), Milligram (mg), Tonne (t). No formula lookup required.
Convert
About
Value × conversion factor to SI base (temperature uses affine offset), then restored to target unit.
Bidirectional conversion with unit swap supported.
How to use
- Enter the value to convert in the Value box.
- Pick the source and target units from the From / To dropdowns.
- Click Convert; the result shows below. Use ⇅ to swap units.
Formula notesUnit conversion (mass): 质量：1 t = 1000 kg，1 lb ≈ 0.4536 kg。