CM to Inches — Convert Centimeters to Inches

Convert centimeters to inches instantly, with a quick reference table. Free, in your browser — no sign-up.

How to

  1. 1Enter the value in centimeters.
  2. 2Read the result in inches instantly.
  3. 3Use the table for common values, or ⇄ to reverse.

How to convert centimeters to inches

Divide the length in centimeters by 2.54, because one inch is defined as exactly 2.54 cm. For example, 30 cm ÷ 2.54 = 11.81 inches. The converter above does this instantly, and the table below lists the values people look up most.

Where you will use it

Centimeters-to-inches comes up constantly: reading a TV or monitor size, stating your height on a US form, checking paper and photo dimensions, following a sewing pattern, or buying furniture listed in the other system. Metric in, imperial out.

centimeters to inches conversion table

Quick reference for common values. 1 cm = 0.393701 in.

centimeters (cm)inches (in)
1 cm0.393701 in
2 cm0.787402 in
3 cm1.181102 in
4 cm1.574803 in
5 cm1.968504 in
10 cm3.937008 in
15 cm5.905512 in
20 cm7.874016 in
25 cm9.84252 in
50 cm19.685039 in
75 cm29.527559 in
100 cm39.370079 in

FAQ

How many inches is 1 cm?+

1 centimeter is about 0.3937 inches. To convert, divide the centimeters by 2.54 (since 1 inch = 2.54 cm).

How do I convert cm to inches quickly?+

Divide by 2.54. For a rough estimate, divide by 2.5 — close enough for everyday use.

Is it free?+

Yes, completely free — no sign-up and no watermark.

Is my data private?+

Yes — this tool runs entirely in your browser. Your files and text are never uploaded.

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