Units & Numbers Tools
Weight / Mass Converter
Convert between kilograms, pounds, ounces, stones, and more.
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What is Weight?
A mass/weight converter covering metric (kg, g, mg, t), imperial (lb, oz, st), and US customary (short ton) units.
How it works
Every unit is defined relative to the kilogram, and conversion is a ratio multiply.
- Enter your input. Type or paste your input into the field above — the tool responds instantly.
- Review the result. Output updates live as you type. Everything runs entirely in your browser.
- Copy or download. Use the Copy button to grab the result, or Download to save it as a file.
Examples
Realistic sample
Paste or type any realistic input — the tool computes the result locally and instantly.
Common mistakes
Expecting a server round-trip
Nothing is uploaded — every tool in this category runs entirely in your browser.