Skip to content

4 cm in inches

4 cm = 1.57 inches

4 cm ÷ 2.54 = 1.574803 in. 1 inch is exactly 2.54 cm.

Open 4 cm in the cm to inches converter

4 centimeters in other forms

Decimal inches1.5748 in
Nearest 1/16 inch1 9/16 in
Nearest 1/64 inch1 37/64 in
Feet and inches1.57 in (less than a foot)
Centimeters4 cm
Millimeters and meters40 mm · 0.04 m

In words: 4 centimeters is 1.57 inches.

Reading 1.575 inches on a tape measure

Tape marked inNearest markOff by
1/8 in1 5/8 in1.28 mm
1/16 in1 9/16 in0.31 mm
1/32 in1 9/16 in0.31 mm

Nearby values

CentimetersInchesFeet and inches
1 cm0.39 in3/8 in
2 cm0.79 in13/16 in
3 cm1.18 in1 3/16 in
4 cm1.57 in1 9/16 in
5 cm1.97 in1 15/16 in
6 cm2.36 in2 3/8 in
7 cm2.76 in2 3/4 in
8 cm3.15 in3 1/8 in
9 cm3.54 in3 9/16 in

How it's calculated

Since 1959 the inch has been defined as exactly 2.54 centimeters, so the conversion itself is exact: 4 cm ÷ 2.54 = 1.574803 in. The fractions above are rounded to the nearest mark, and feet and inches split the total at 12 inches per foot.

For any other value, use the cm to inches converter.