Unit Converter

50+ units across seven categories. Conversions are exact — no snapshot, math doesn't go stale.

1Pick a category and type the amount.

2Pick the units to convert.

3See the answer.

Category Amount

From

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1 mile1.609 km

1 pound0.4536 kg

1 US gallon3.785 liters

1 inch2.54 cm (exact)

Water freezes / boils0 °C / 100 °C · 32 °F / 212 °F