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Mass Unit Converter

Convert kilograms, grams, milligrams, tonnes, pounds and ounces.

Convert in your browser · No sign-up

Uses avoirdupois pounds and ounces: 1 lb = 0.45359237 kg. Nonnegative inputs; results use 13 significant digits.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Result

Add your input or load an example, then run the tool. Your result will appear here.

How to use

  1. Convert kilograms, grams, milligrams, tonnes, pounds and ounces.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Example

1 lb = 0.45359237 kg

Details and limitations

Text stays in your browser; it is not sent to a conversion server.

Format references

Tool page updated: