Verified size references
4 cm equals 1.5748 inches.
Exact conversion
- cm
- 4
- mm
- 40
- m
- 0.04
- ″
- 1.5748
- Fractional inches
- 1 5/8″
- Feet and inches
- 0′ 1 5/8″
Measured comparisons
Interesting Trivia About 4 Centimeters
- The body length of African driver-ant workers is about 3.4 cm; 4 cm is only about 0.6 cm longer.
- The body length of Dinoponera giant ants is about 3 cm; 4 cm is only about 1 cm longer.
Nearby conversions
Questions about this value
How many inches is 4 cm?
4 cm equals 1.5748 inches.
How was this comparison calculated?
All values are calculated from the published dimensions linked below. 1 inch equals 25.4 mm exactly.
What is 4 cm in fractional inches?
Rounded to the nearest eighth of an inch, 4 cm is 1 5/8″.
Which verified reference is closest to 4 cm?
Closest verified reference: a table-tennis ball's diameter. Its published dimension is 40 mm.
Method and sources
All values are calculated from the published dimensions linked below. 1 inch equals 25.4 mm exactly.