How to use the chart

Find the inch measurement in the left column and read its centimeter equivalent in the right column.

When a value is not shown, calculate it using:

Centimeters = inches x 2.54

The Inches to Centimeters Converter can calculate any whole, decimal, or fractional value.

Inches to centimeters chart: 1 to 20 inches

Inches Centimeters
1 in2.54 cm
2 in5.08 cm
3 in7.62 cm
4 in10.16 cm
5 in12.7 cm
6 in15.24 cm
7 in17.78 cm
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
17 in43.18 cm
18 in45.72 cm
19 in48.26 cm
20 in50.8 cm

Inches to centimeters chart: 21 to 50 inches

Inches Centimeters
21 in53.34 cm
22 in55.88 cm
23 in58.42 cm
24 in60.96 cm
25 in63.5 cm
26 in66.04 cm
27 in68.58 cm
28 in71.12 cm
29 in73.66 cm
30 in76.2 cm
32 in81.28 cm
34 in86.36 cm
36 in91.44 cm
38 in96.52 cm
40 in101.6 cm
42 in106.68 cm
44 in111.76 cm
46 in116.84 cm
48 in121.92 cm
50 in127 cm

Inches to centimeters chart: 55 to 100 inches

Inches Centimeters
55 in139.7 cm
60 in152.4 cm
65 in165.1 cm
70 in177.8 cm
72 in182.88 cm
75 in190.5 cm
80 in203.2 cm
84 in213.36 cm
85 in215.9 cm
90 in228.6 cm
96 in243.84 cm
100 in254 cm

Fractional inches to centimeters chart

Fractional inch Decimal inch Centimeters
1/16 in0.0625 in0.15875 cm
1/8 in0.125 in0.3175 cm
3/16 in0.1875 in0.47625 cm
1/4 in0.25 in0.635 cm
5/16 in0.3125 in0.79375 cm
3/8 in0.375 in0.9525 cm
7/16 in0.4375 in1.11125 cm
1/2 in0.5 in1.27 cm
9/16 in0.5625 in1.42875 cm
5/8 in0.625 in1.5875 cm
11/16 in0.6875 in1.74625 cm
3/4 in0.75 in1.905 cm
13/16 in0.8125 in2.06375 cm
7/8 in0.875 in2.2225 cm
15/16 in0.9375 in2.38125 cm

Decimal inches to centimeters chart

Decimal inches Centimeters
0.1 in0.254 cm
0.2 in0.508 cm
0.25 in0.635 cm
0.5 in1.27 cm
0.75 in1.905 cm
1.25 in3.175 cm
1.5 in3.81 cm
2.5 in6.35 cm
3.5 in8.89 cm
5.5 in13.97 cm
7.5 in19.05 cm
10.5 in26.67 cm

How chart values are calculated

Each result is calculated by multiplying the inch measurement by exactly 2.54.

Example: calculate 35 inches

35 x 2.54 = 88.9

35 inches = 88.9 centimeters

Example: calculate 62 inches

62 x 2.54 = 157.48

62 inches = 157.48 centimeters

Chart accuracy and rounding

The 2.54 conversion factor is exact. Values in the chart are exact unless the original inch measurement itself was approximate.

A product described as 24 inches wide may use a rounded marketing measurement. The mathematical equivalent of exactly 24 inches is 60.96 centimeters, but the physical product may vary slightly.

Use the manufacturer's detailed specifications when checking fit, compatibility, or installation clearance.

When a chart is useful

A chart is useful when you need to:

  • compare several common measurements quickly;
  • check a calculator result;
  • convert standard product sizes;
  • review common fractions;
  • understand the approximate metric scale of inch values.

Use the calculator instead when the measurement contains an unusual decimal, a mixed fraction, or a value not listed in the chart.

Common chart mistakes

Using the nearest whole-inch row

A measurement of 24.5 inches should not use the 24-inch or 25-inch chart entry. Convert the actual decimal value.

Confusing centimeters with millimeters

One centimeter equals 10 millimeters. For example, 2.54 centimeters equals 25.4 millimeters.

Ignoring the original measurement type

A screen measurement may describe a diagonal, while a table listing may describe width, depth, and height.

Assuming every commercial size is exact

Product labels may be rounded even when the chart conversion is mathematically exact.

Related inches to centimeters guides

Frequently asked questions

What is the formula used in an inches-to-centimeters chart?

Each inch value is multiplied by exactly 2.54 to calculate centimeters.

How many centimeters is 50 inches?

Fifty inches is exactly 127 centimeters.

How many centimeters is 100 inches?

One hundred inches is exactly 254 centimeters.

Can I use the chart for decimal and fractional inches?

Yes, when the exact decimal or fraction appears in the chart. Otherwise, use the converter to calculate the specific value.