Centimeters to Inches (cm → in)
Formula
in = cm ÷ 2.54Step-by-step
in = 0 ÷ 2.54in = 0Conversion Table
| cm | in |
|---|---|
| 0 | 0 |
| 1.0000 | 0.39370 |
| 2.0000 | 0.78740 |
| 3.0000 | 1.1811 |
| 4.0000 | 1.5748 |
| 5.0000 | 1.9685 |
| 6.0000 | 2.3622 |
| 7.0000 | 2.7559 |
| 8.0000 | 3.1496 |
| 9.0000 | 3.5433 |
| 10.000 | 3.9370 |
| 11.000 | 4.3307 |
| 12.000 | 4.7244 |
| 13.000 | 5.1181 |
| 14.000 | 5.5118 |
| 15.000 | 5.9055 |
| 16.000 | 6.2992 |
| 17.000 | 6.6929 |
| 18.000 | 7.0866 |
| 19.000 | 7.4803 |
| cm | in |
|---|---|
| 20.000 | 7.8740 |
| 21.000 | 8.2677 |
| 22.000 | 8.6614 |
| 23.000 | 9.0551 |
| 24.000 | 9.4488 |
| 25.000 | 9.8425 |
| 26.000 | 10.236 |
| 27.000 | 10.630 |
| 28.000 | 11.024 |
| 29.000 | 11.417 |
| 30.000 | 11.811 |
| 31.000 | 12.205 |
| 32.000 | 12.598 |
| 33.000 | 12.992 |
| 34.000 | 13.386 |
| 35.000 | 13.780 |
| 36.000 | 14.173 |
| 37.000 | 14.567 |
| 38.000 | 14.961 |
| 39.000 | 15.354 |
| cm | in |
|---|---|
| 40.000 | 15.748 |
| 41.000 | 16.142 |
| 42.000 | 16.535 |
| 43.000 | 16.929 |
| 44.000 | 17.323 |
| 45.000 | 17.717 |
| 46.000 | 18.110 |
| 47.000 | 18.504 |
| 48.000 | 18.898 |
| 49.000 | 19.291 |
| 50.000 | 19.685 |
| 51.000 | 20.079 |
| 52.000 | 20.472 |
| 53.000 | 20.866 |
| 54.000 | 21.260 |
| 55.000 | 21.654 |
| 56.000 | 22.047 |
| 57.000 | 22.441 |
| 58.000 | 22.835 |
| 59.000 | 23.228 |
| cm | in |
|---|---|
| 60.000 | 23.622 |
| 61.000 | 24.016 |
| 62.000 | 24.409 |
| 63.000 | 24.803 |
| 64.000 | 25.197 |
| 65.000 | 25.591 |
| 66.000 | 25.984 |
| 67.000 | 26.378 |
| 68.000 | 26.772 |
| 69.000 | 27.165 |
| 70.000 | 27.559 |
| 71.000 | 27.953 |
| 72.000 | 28.346 |
| 73.000 | 28.740 |
| 74.000 | 29.134 |
| 75.000 | 29.528 |
| 76.000 | 29.921 |
| 77.000 | 30.315 |
| 78.000 | 30.709 |
| 79.000 | 31.102 |
Centimeters to Inches Conversion
Converting Centimeters (cm) to Inches (in) is a common length conversion. 1 cm equals 0.393701 in. For example, 100 cm is equal to 39.370079 in.
Quick Mental Math: Centimeters to Inches
Divide centimeters by 2.54. For a shortcut, 10 cm is about 4 inches.
Why is converting Centimeters to Inches tricky?
Centimeters convert to a repeating decimal in inches, so the result is often not a neat number.
Quick Reference Values
1 cm = 0.39 in. 5 cm = 1.97 in. 10 cm = 3.94 in. 20 cm = 7.87 in. 30 cm = 11.81 in. 50 cm = 19.69 in. 100 cm = 39.37 in. 180 cm = 70.87 in.
What is Centimeters?
Centimeters (cm) is a unit of length. A centimeter is a unit of length in the metric system equal to one-hundredth of a meter. It is used to measure small distances and dimensions precisely. The centimeter is defined as exactly 0.01 meters according to the International System of Units [bipm-si-brochure]. The centimeter was established during the creation of the metric system in France in 1795. It was adopted internationally as part of the SI base units to standardize length measurements for science, engineering, and daily use [bipm-si-brochure]. Centimeters are widely used globally for measuring body dimensions, furniture, and small objects. It is standard in education, manufacturing, and healthcare, especially in countries that use the metric system [nist-si-guide].
What is Inches?
Inches (in) is a unit of length. The inch is a unit of length in the imperial and US customary systems, defined exactly as 25.4 millimeters. It is used primarily for measuring small dimensions in construction, manufacturing, and personal height in the US and UK. The exact definition ensures consistent conversion to metric units [nist-si-guide]. The inch traces back to ancient Roman and English measurements, historically based on thumb width. The current exact definition of 25.4 mm was internationally agreed upon in 1959 by the US, UK, Canada, and others to standardize measurements [nist-si-guide]. Inches are primarily used in the United States, Canada, and the United Kingdom for construction, manufacturing, and consumer goods. Internationally, industries convert inches to millimeters for precision and standardization, following ISO and NIST guidelines [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: centimiters, centemeters, centemiter, centimeter, inch, inches, inchess, inchs, inche. All of these refer to the Centimeters to Inches conversion.