Centimeters to inches (cm to in)
An inch is defined as exactly 2.54 centimeters, so converting the other way means dividing by 2.54. 180 cm is about 70.9 inches - which is also why a "70 inch" TV measures just under 178 cm across the diagonal.
cm to in conversion table
| Centimeters (cm) | Inches (in) |
|---|---|
| 1 | 0.39 |
| 2.54 | 1 |
| 5 | 1.97 |
| 10 | 3.94 |
| 15 | 5.91 |
| 20 | 7.87 |
| 30 | 11.81 |
| 50 | 19.69 |
| 100 | 39.37 |
| 150 | 59.06 |
| 180 | 70.87 |
How to convert centimeters to inches
The formula is inches = centimeters ÷ 2.54. Type any value into the converter above for
an exact result, or use the table for the most common conversions. For other units, the
full length converter handles every combination, and
the unit converter covers length, weight, temperature,
speed, area, volume and data in one place.
Frequently asked questions
How many inches are in 1 centimeter?
1 cm = 0.393701 in. The formula is inches = centimeters ÷ 2.54; the converter applies it to whatever you type and rounds only for display.
What is 20 cm in in?
20 cm = 7.87 in, using inches = centimeters ÷ 2.54.
How do I convert inches back to centimeters?
Use centimeters = inches x 2.54. For example, 6 in = 15.24 cm. The in to cm converter does this for you.