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Unit converters

Weight Converter

Convert metric and imperial mass units. Nothing you enter leaves your browser.

Enter your values and we’ll calculate the result.

Enter your values, then calculate.

Simple by design

Get the answer, without the clutter.

FormatCalc is built for quick work. This weight converter runs entirely on your device, so private text and data stay private.

01

Enter or paste your information.

02

Set the values that matter to you.

03

Copy, use, or download your result.

Common questions

Using the Weight Converter

Is the Weight Converter free to use?

Yes. FormatCalc's Weight Converter is free to use with no account required.

Is my data private when I use the Weight Converter?

Yes. This tool processes your input locally in your browser. FormatCalc does not upload or store what you enter.

How do I use the Weight Converter?

Enter your values, select any units, and choose Calculate. You can then copy the result.