Convert Inches to Centimeters

Instantly convert inches (in) to centimeters (cm). Enter a value to see the result and the conversion formula.

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How our Inches to Centimeters unit converter works

To ensure maximum accuracy when converting Inches to Centimeters, our calculator uses a scientific pivot method. Instead of relying on a potentially inaccurate direct conversion, the system first converts in into the base unit of the International System (the meter), then recalculates the result into cm. This approach drastically reduces rounding errors.

About this conversion

Converting inches to centimeters provides metric precision required by Canadian education systems, healthcare, and engineering standards.

When to use this conversion

Necessary for converting body measurements for tailored clothing, understanding IKEA furniture dimensions, or submitting technical CAD designs.

Formula

Centimeters (cm) = Inches (in) × 2.54

Tip: You can swap units and convert decimals. Results are rounded for readability.

Examples

Inches (in) Centimeters (cm)
1 in 2.54 cm
2 in 5.08 cm
5 in 12.7 cm
10 in 25.4 cm
20 in 50.8 cm
50 in 127.0 cm
100 in 254.0 cm
250 in 635.0 cm
500 in 1270.0 cm
1000 in 2540.0 cm

FAQ

What is the standard US letter paper size in cm?

An 8.5 x 11 inch paper is approximately 21.6 x 27.9 centimeters.

How do I measure my screen size accurately?

Measure from the top left corner to the bottom right corner (diagonally) of the screen display, excluding the plastic frame.