The math
in = cm ÷ 2.54
4 ÷ 2.54 = 1.5748 in ≈ 1 9/16 in (nearest 1/16)
Nearby values
| Centimeters | Inches | Nearest fraction |
|---|---|---|
| 2 cm | 0.787 in | 13/16 in |
| 2.5 cm | 0.984 in | 1 in |
| 3 cm | 1.181 in | 1 3/16 in |
| 3.5 cm | 1.378 in | 1 3/8 in |
| 4 cm | 1.575 in | 1 9/16 in |
| 4.5 cm | 1.772 in | 1 3/4 in |
| 5 cm | 1.969 in | 1 15/16 in |
| 5.5 cm | 2.165 in | 2 3/16 in |
| 6 cm | 2.362 in | 2 3/8 in |
Similar everyday sizes
- 4 cm is almost exactly the length of a table tennis ball (40 mm across).
- 4 cm is 2.7 mm shorter than a golf ball (at least 42.67 mm across).
Related conversions
Frequently asked questions
How many inches is 4 cm?
4 cm is 1.575 inches. Divide centimeters by 2.54.
What is 4 cm as a fraction of an inch?
About 1 9/16 in, rounded to the nearest 1/16 inch.