Convert tools

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.

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

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

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

FAQ

Mass Unit Converter — What are the supported inputs and limits?

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

Format references

Tool page updated: