Unit Converter
Convert 26 categories including pace, current, voltage, apparent power, reactive energy and illuminance. Export all results.
Every unit, clearly converted
26 categories · 260 units · Local rational arithmetic
≈ indicates rounding. Very small nonzero values use scientific notation. Time conversions use fixed durations, not calendar intervals, leap seconds or daylight saving.
References: NIST SI · SI prefixes · Binary prefixes ·
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About this tool
Rational arithmetic distinguishes decimal and binary prefixes, US and Imperial units, temperature offsets and reciprocal fuel economy. Select a fixed month/year convention.
How to use
- Choose a category, value and units.
- Convert and review all results.
- Copy or download CSV.
Frequently asked questions
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Inputs stay in this browser. Only run status, counts, duration and export actions are reported.
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