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Dimensional Calculator

Unit-safe arithmetic

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Press Enter to keep an equation and start a new one above it.
Every kept equation stays live. Edit any of them and it re-solves.
Convert with to or ->, as in 1 m to cm.
Compare with > < >= ≤ = != ≠ ≈.
Addition and subtraction need matching dimensions. Multiplication and division combine units freely.
Any token works as a unit, including 🍎.

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