Imperial to metric

Inches to centimeters.

Convert inches to centimeters in a moment. Enter a measurement for a clear result, formula, and handy reference table.

in to cm Exact factor Free to use

Length calculator

What’s the measurement?

25.4

10 inches is about 25.4 centimeters.

The conversion

The inches-to-cm formula.

Use the exact definition of an inch for a reliable conversion.

Formula

Multiply by 2.54

Centimeters = inches × 2.54

Example

Convert 10 inches

10 × 2.54 = 25.4 centimeters.

Definition

One inch is exact

1 inch = 2.54 centimeters exactly.

Quick reference

Inches to centimeters chart.

Common inch measurements and their centimeter equivalents.

InchesCentimeters
12.54
512.7
1025.4
50127
100254

Inches to centimeters, explained

Good to know.

Quick answers about this length conversion.

How do I convert inches to centimeters?

Multiply inches by 2.54. For example, 10 inches equals 25.4 centimeters.

How many centimeters are in one inch?

One inch is exactly 2.54 centimeters.

Is the inch-to-centimeter conversion exact?

Yes. One inch is defined as exactly 2.54 centimeters. The displayed decimal result may be rounded.