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Inches to centimeters

Handy for screen and TV sizes, heights, waist sizes and product dimensions listed in inches.

2.54

1 inch = 2.54 centimeters

Formula: centimeters = inches × 2.54

How to convert

How to convert inches to centimeters

One inch is 2.54 centimeters. To convert, use this formula:

centimeters = inches × 2.54

Example: 10 inches = 25.4 centimeters.

Inches to centimeters table

inches (in)centimeters (cm)
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
15 in38.1 cm
20 in50.8 cm
25 in63.5 cm
30 in76.2 cm
40 in101.6 cm
50 in127 cm
75 in190.5 cm
100 in254 cm

About the units

  • An inch is an imperial and US unit defined since 1959 as exactly 2.54 centimeters.
  • A centimeter is one hundredth of a meter, roughly the width of a fingernail.

Convert centimeters to inches · All length conversions

Related

More length conversions

  • Centimeters to inchesUseful for clothing sizes, screen sizes, paper and anything measured with a metric ruler that you know in inches.
  • Millimeters to inchesCommon for tools, drill bits, screws, jewelry and technical drawings that mix metric and imperial sizes.
  • Feet to metersUsed for heights, room sizes, building plans and altitudes quoted in feet.
  • Meters to feetUseful for converting heights, swimming pools, room dimensions and distances in metric countries.
  • Kilometers to milesFor running distances such as 5K and 10K races, road trips and speed limits abroad.
  • Miles to kilometersFor road signs, car mileage, flight distances and running plans written in miles.

Frequently asked questions

How many centimeters are in a inch?

One inch equals 2.54 centimeters.

How do I convert inches to centimeters?

Use the formula centimeters = inches × 2.54. For example, 10 inches is 25.4 centimeters.

What is 10 inches in centimeters?

10 inches is 25.4 centimeters.

How do I convert centimeters back to inches?

Use the formula inches = centimeters ÷ 2.54. One centimeter is 0.3937007874 inches.