Inches to Centimeters Converter

Inches to centimeters is the conversion you need for US product dimensions, TV and monitor diagonals, and sewing patterns used abroad. Multiply inches by exactly 2.54.

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10.16

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How to use the Inches to Centimeters Converter

  1. Type the number of inches in the box
  2. The value in centimeters appears instantly
  3. Use the table for common values, or switch units to convert anything else

Inches to Centimeters formula

cm = in × 2.54

Example: 4 in × 2.54 = 10.16 cm.

💡 A 55-inch TV is about 139.7 cm on the diagonal.

Inches to Centimeters conversion chart

InchesCentimeters
1 in2.54 cm
2 in5.08 cm
3 in7.62 cm
4 in10.16 cm
5 in12.7 cm
6 in15.24 cm
8 in20.32 cm
10 in25.4 cm
12 in30.48 cm
24 in60.96 cm
32 in81.28 cm
43 in109.22 cm
55 in139.7 cm
65 in165.1 cm

Frequently asked questions

How do I convert inches to centimeters?

Use the formula cm = in × 2.54. For example, 4 in = 10.16 cm.

How many centimeters are in 1 inch?

1 in = 2.54 cm.

Any handy reference points?

A 55-inch TV is about 139.7 cm on the diagonal.

Is this inches to centimeters converter accurate?

Yes. It uses exact definitions (for example, 1 inch = 2.54 cm and 1 lb = 0.45359237 kg) and shows up to 10 significant digits.

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