Unit Converter
Convert everyday, scientific, technical, digital, and cooking measurements. See how units relate visually, inspect the formula, convert lists in bulk, and keep custom units—all without uploading anything.
100% browser-based38 categoriesMixed-unit inputVisual comparisonsNo external libraries
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Batch converter
Enter one value per line. Fractions, scientific notation, time notation, and recognized mixed units are accepted.
Results
Uses the current category and selected units.
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SI Prefix Lab
Explore all official decimal prefixes from quetta (10³⁰) to quecto (10⁻³⁰), including ronna, ronto, quetta, and quecto.
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Exponent map
10⁻³⁰10⁰10³⁰
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