Convert inches to centimetres
1 in = 2.54 cm. Type any value below for an instant conversion.
cm
1 in = 2.54 cm
Formula
cm = in × 2.54Worked example: 24 in × 2.54 = 60.96 cm
Screen and TV sizes are measured diagonally in inches worldwide, even in metric countries — a 55-inch television has a 139.7 cm diagonal.
inches to centimetres conversion table
| inches (in) | centimetres (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 6 in | 15.24 cm |
| 12 in | 30.48 cm |
| 18 in | 45.72 cm |
| 24 in | 60.96 cm |
| 30 in | 76.2 cm |
| 36 in | 91.44 cm |
| 48 in | 121.92 cm |
| 60 in | 152.4 cm |
| 72 in | 182.88 cm |
Frequently asked questions
How many centimetres are in one inche?
One inche equals 2.54 centimetres.
How do I convert inches to centimetres?
Multiply the number of inches by 2.54. For example, 24 in × 2.54 = 60.96 cm.
Is this in to cm conversion exact?
The conversion factor of 2.54 is used at full floating-point precision and rounded only for display, so the result is accurate for scientific, engineering and everyday use.
What is the reverse conversion?
To go the other way, use the cm to in converter. The reverse factor is 0.3937007874.
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