4 inches to centimeters

4 inches = 10.16 centimeters

Rounded to a practical precision: 10.2 cm.

inches

centimeters

How the calculation works

One inch is 2.54 centimeters, so:

4 in × 2.54 = 10.16 cm

Reversing it, 10.16 centimeters ÷ 2.54 returns 4 inches.

Nearby values

Inches	Centimeters
2 in	5.08 cm
2.5 in	6.35 cm
3 in	7.62 cm
3.5 in	8.89 cm
4 in	10.16 cm
4.5 in	11.43 cm
5 in	12.7 cm
5.5 in	13.97 cm
6 in	15.24 cm

About these units

Inch (in) — An inch is exactly 25.4 millimetres and is used for screen sizes, pipe diameters and paper dimensions.

Centimeter (cm) — A centimetre is one hundredth of a metre, the everyday metric unit for body measurements and small objects.

Frequently asked questions

How many centimeters is 4 inches?

4 inches is 10.16 centimeters.

How do I convert inches to centimeters myself?

Multiply by 2.54. To go back, divide by 2.54 — or multiply by 0.393701.

Is this figure exact?

The conversion factor between the inch and the centimeter is fixed by definition. The figure above is rounded for readability; the converter carries full precision.

Convert other values

Full inches to centimeters converter · All length converters