Toolman

12 inches to centimeters

12 inches = 30.48 centimeters

Rounded to a practical precision: 30.5 cm.

How the calculation works

One inch is 2.54 centimeters, so:

12 in × 2.54 = 30.48 cm

Reversing it, 30.48 centimeters ÷ 2.54 returns 12 inches.

Nearby values

InchesCentimeters
8 in20.32 cm
9 in22.86 cm
10 in25.4 cm
11 in27.94 cm
12 in30.48 cm
13 in33.02 cm
14 in35.56 cm
15 in38.1 cm
16 in40.64 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 12 inches?

12 inches is 30.48 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