Unit Converter
Conversion formula
The conversion factor from millimeters to centimeters is 0.1, which means that 1 millimeter is equal to 0.1 centimeters:
1 mm = 0.1 cm
To convert 42 millimeters into centimeters we have to multiply 42 by the conversion factor in order to get the length amount from millimeters to centimeters. We can also form a simple proportion to calculate the result:
1 mm → 0.1 cm
42 mm → L(cm)
Solve the above proportion to obtain the length L in centimeters:
L(cm) = 42 mm × 0.1 cm
L(cm) = 4.2 cm
The final result is:
42 mm → 4.2 cm
We conclude that 42 millimeters is equivalent to 4.2 centimeters:
42 millimeters = 4.2 centimeters
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 centimeter is equal to 0.23809523809524 × 42 millimeters.
Another way is saying that 42 millimeters is equal to 1 ÷ 0.23809523809524 centimeters.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that forty-two millimeters is approximately four point two centimeters:
42 mm ≅ 4.2 cm
An alternative is also that one centimeter is approximately zero point two three eight times forty-two millimeters.
Conversion table
millimeters to centimeters chart
For quick reference purposes, below is the conversion table you can use to convert from millimeters to centimeters
millimeters (mm) | centimeters (cm) |
---|---|
43 millimeters | 4.3 centimeters |
44 millimeters | 4.4 centimeters |
45 millimeters | 4.5 centimeters |
46 millimeters | 4.6 centimeters |
47 millimeters | 4.7 centimeters |
48 millimeters | 4.8 centimeters |
49 millimeters | 4.9 centimeters |
50 millimeters | 5 centimeters |
51 millimeters | 5.1 centimeters |
52 millimeters | 5.2 centimeters |