Convert mass units
Convert mass between explicitly named units.
Local processing · Nothing is uploaded · 1 MB input limit
Input & settings
Ready. Enter your input to begin.
How to use this tool
Enter a value and select the source and destination units. The result includes both unit identifiers.
Limits and behavior
Results use floating-point arithmetic, rounded to 12 significant digits. Inputs are limited to an absolute value of 10^12 and results to 10^15. Pounds and ounces are avoirdupois, not troy. Input is limited to 1 MB and output to 3 MB. No input content is saved by CraftAI.
Convert grams, kilograms and other mass units
Enter a quantity and select the source and destination mass units for a mathematical conversion.
Are weight and mass always physically the same?
Mass is not force; everyday weight units such as kilograms refer to mass in these conversions.
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