Convert Inches to CM (in to cm)
Convert inches to cm instantly. 1 in = 2.54 cm. Free inches-to-cm converter with table and formula.
Need to turn inches (in) into centimeters (cm)? One inch equals 2.54 centimeters (1 in = 2.54 cm). Enter a value below for an instant, accurate result, or scan the conversion table for common values.
Centimeters are commonly used for body measurements, clothing sizes, and product dimensions worldwide. The inch has been defined as exactly 2.54 centimeters since the international agreement of 1959. Converting between the two is a routine part of distance and length measurements in engineering, construction, travel, and everyday use. It bridges the imperial/US customary system and the metric system, which is why this conversion comes up so often.
0.02542.540000e-52.5425.41.578283e-50.0277780.0833331Conversion formula
centimeters = inches × 2.54Conversion table
| Value | Converted |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
Frequently Asked Questions
How many centimeters are in a inch?
1 in = 2.54 cm. So 10 inches equal 25.4 centimeters.
How do you convert inches to centimeters manually?
Multiply the number of inches by 2.54: centimeters = inches × 2.54. For example, 10 in × 2.54 = 25.4 cm.
Is the inches to cm conversion exact?
Yes — both units have exact definitions, so the conversion itself is exact. The factor 2.54 shown here is rounded for readability; the converter computes with full precision.
Is this inches to cm converter free and private?
Yes. It is completely free, requires no signup, and the conversion happens entirely in your browser — no values are sent to any server.
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