Fraction inch to centimeter conversion

1/2 Inch in CM

How many centimeters is 1/2 inch?

1/2 inch is exactly 1.27 centimeters.

Exact result using 1 inch = 2.54 cm

12.7 mm0.5 in

From unit

To unit

Value

Decimals and fractions work, for example 1.5, 1/2, or 1 1/2.

Result

Fractions

0.5 in = 1.27 cm

0.5 in × 2.54 = 1.27 cm

Decimal inches0.5 in

Feet + inches0 ft 0.5 in

Nearest 1/16 inch1/2"

Convert 1/2 to decimal inches, then multiply by 2.54:

0.5 × 2.54 = 1.27 cm

1/2 inch shown on a 0–1 inch ruler scale.

1/2 inch is 4/8 on an eighths scale.

Published eighths near 1/2 inch
Fraction	Centimeters	Millimeters	Decimal inches
1/4 inch in cm	0.635 cm	6.35 mm	0.25 in
3/8 inch in cm	0.9525 cm	9.525 mm	0.375 in
1/2 inch in cm	1.27 cm	12.7 mm	0.5 in
5/8 inch in cm	1.5875 cm	15.875 mm	0.625 in
3/4 inch in cm	1.905 cm	19.05 mm	0.75 in

Matching decimal-inch or millimeter landings
Page type	Published URL
Decimal inches to cm	0.5 inch in cm
Fraction inch to mm	1/2 inch to mm