⇄Convert42Simple by design
EVERYDAY NUMBERS, MADE SIMPLE

A little clarity.
In any unit.

Quick, clear conversions for the things you’re working on.
Pick your units. Get on with your day.

↔ Length Instant conversion

1 cm ≈ 0.3937007874 in

Edit either value. Use a decimal point; commas group thousands. Rounding affects display only.

↔ Works both ways✓ Clear unit definitions⌁ No sign-up
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From tiny details to big distances.

NO GUESSWORK

Same number. The right meaning.

A US gallon is not an imperial gallon. A kilowatt is not a kilowatt-hour. We label the differences so your answer means what you expect.

A closer look at accuracy →