Unit Converter
Convert between metric and imperial units across length, weight, volume, speed, area and digital storage. Choose a category, pick the units, and get an instant, accurate conversion.
1.0000 cm =
0.3937 in
Full precision
0.3937007874015748
Frequently asked questions
Which units can I convert?+
The converter covers length (mm to miles), weight (mg to stones), volume (ml to gallons), speed, area and digital storage. Pick a category to see all available units.
Are the conversions exact?+
Yes — they use standard internationally-defined conversion factors. Results are rounded for readability but calculated at full precision.
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