Unit Converter
Convert between centimeters, millimeters, inches, feet, and pixels instantly. Click any result to copy it.
Pixels calculated at 96 PPI (web standard). Calibrate for your screen →
Common Conversion Reference
| Value | cm | mm | inches | feet | px (96ppi) |
|---|---|---|---|---|---|
| 1 cm | 1 | 10 | 0.3937 | 0.0328 | 37.8 |
| 1 inch | 2.54 | 25.4 | 1 | 0.0833 | 96 |
| 1 mm | 0.1 | 1 | 0.0394 | 0.00328 | 3.78 |
| 1 foot | 30.48 | 304.8 | 12 | 1 | 1152 |
| 10 cm | 10 | 100 | 3.937 | 0.328 | 378 |
| 30 cm | 30 | 300 | 11.811 | 0.984 | 1134 |
| 1 meter | 100 | 1000 | 39.37 | 3.281 | 3780 |
| 6 inches | 15.24 | 152.4 | 6 | 0.5 | 576 |
| 12 inches | 30.48 | 304.8 | 12 | 1 | 1152 |
Conversion Formulas
Frequently Asked Questions
How many mm are in 1 cm?
There are exactly 10 millimeters in 1 centimeter. To convert cm to mm, multiply by 10. For example, 5 cm = 50 mm.
How many cm are in 1 inch?
There are exactly 2.54 centimeters in 1 inch. To convert inches to cm, multiply by 2.54. For example, 6 inches = 15.24 cm.
How many inches are in 1 cm?
There are 0.3937 inches in 1 centimeter. To convert cm to inches, divide by 2.54. For example, 10 cm = 3.937 inches.
How many cm in a foot?
There are 30.48 centimeters in 1 foot (12 inches × 2.54 cm). For example, 5 feet = 152.4 cm.
What is 1 cm in pixels?
At the web standard of 96 PPI, 1 cm equals approximately 37.8 pixels. On a 220 PPI display, 1 cm equals approximately 86.6 pixels. The exact value depends on your screen's pixel density.
How do I convert mm to inches?
Divide by 25.4. For example: 85.6 mm ÷ 25.4 = 3.37 inches. This is why a credit card (85.6 mm wide) is exactly 3.37 inches wide.