Mass & Weight Converter.
Convert mass and weight units from micrograms through tonnes, pounds, stones and carats. Uses explicit units, formulas and rounding locally. Values stay in this browser. Convert mass and weight units from micrograms through tonnes, pounds, stones and carats. Uses explicit units, formulas and rounding locally.
- ✓Runs in your browser
- ✓No account required
- ✓Verified output
Use Mass & Weight Converter
Private in this browser. Values, results and optional history stay in this browser.
Verified result
Download resultHow it works
- 01
Enter a decimal, fraction or batch of values.
- 02
Choose explicit source and target units and significant digits.
- 03
Copy or download only after an independent recalculation.
Frequently asked questions
Is the result calculated online?
No. The worker and independent verifier run locally.
Does Mass & Weight Converter upload my data?
Mass & Weight Converter runs locally in your browser. Values, results and optional history stay in this browser.
What output does Mass & Weight Converter create?
Mass & Weight Converter creates Json output after the result passes its local verification checks.