Centimeters to Inches

Convert cm to in instantly — with a table, common fractions, and a live calculator.

1 cm equals 0.394 in.

Updated Open the Unit Converter →

Convert any amount

Result (in)0.394 in

cm to in table

cmin
0.25 cm0.0984 in
0.5 cm0.197 in
0.75 cm0.295 in
1 cm0.394 in
1.5 cm0.591 in
2 cm0.787 in
2.5 cm0.984 in
3 cm1.18 in
4 cm1.57 in
5 cm1.97 in
6 cm2.36 in
8 cm3.15 in
10 cm3.94 in
12 cm4.72 in
14.5 cm5.71 in
15 cm5.91 in
16 cm6.3 in
20 cm7.87 in
24 cm9.45 in
36 cm14.17 in
50 cm19.69 in
100 cm39.37 in

in to cm (reverse)

incm
0.25 in0.635 cm
0.5 in1.27 cm
0.75 in1.91 cm
1 in2.54 cm
1.5 in3.81 cm
2 in5.08 cm
2.5 in6.35 cm
3 in7.62 cm
4 in10.16 cm
5 in12.7 cm
6 in15.24 cm
8 in20.32 cm
10 in25.4 cm
12 in30.48 cm
14.5 in36.83 cm
15 in38.1 cm
16 in40.64 cm
20 in50.8 cm
24 in60.96 cm
36 in91.44 cm
50 in127 cm
100 in254 cm

Common fractions

cmin
1/16 cm0.0246 in
1/8 cm0.0492 in
3/16 cm0.0738 in
1/4 cm0.0984 in
3/8 cm0.148 in
1/2 cm0.197 in
5/8 cm0.246 in
3/4 cm0.295 in
1 cm0.394 in
1 1/4 cm0.492 in
1 1/2 cm0.591 in
2 cm0.787 in

How it scales

0.40.81.21.601234cm

1 meter in other units

1000mm100cm39.4in3.3ft1.1yd

The ratio at a glance

1 cm0.39 in

Imperial and metric units

Inches, feet, yards, and miles belong to the imperial/US system, while millimeters, centimeters, meters, and kilometers are metric. One international inch is defined as exactly 25.4 mm.

Length-to-length conversions are exact and rest on fixed factors — for more unit pairs, use our length conversion hub.

Related conversions

Where length conversions are used

Length conversions turn up everywhere imperial and metric worlds meet — DIY and construction, screen and tyre sizes, running and cycling distances, and shipping dimensions.

  • One international inch is defined as exactly 25.4 mm, so inch ↔ centimetre conversions are exact, not rounded.
  • A statute mile is 1.609344 km, while a nautical mile (used at sea and in aviation) is 1.852 km.
  • Since 1983 the metre has been defined by the speed of light: the distance light travels in 1/299,792,458 of a second.

Frequently asked questions

How many in are in a cm?

1 cm equals 0.394 in.

How many in are in 2 cm?

2 cm equal 0.787 in.

How do I convert cm to in?

Divide the number of cm by 2.54 to get in.

How is an inch defined?

One international inch is defined as exactly 25.4 millimeters. This definition is used worldwide, so the conversions on this page are exact.

Why are there imperial and metric units?

Inches, feet, yards, and miles belong to the imperial/US system, while millimeters, centimeters, meters, and kilometers are metric. All conversions rest on fixed, exact factors.

Convert any unit

The unit converter handles length, volume, weight, and more.

Open Unit Converter →