Unit Converter
Conversion formula
The conversion factor from centimeters to millimeters is 10, which means that 1 centimeter is equal to 10 millimeters:
1 cm = 10 mm
To convert 45 centimeters into millimeters we have to multiply 45 by the conversion factor in order to get the length amount from centimeters to millimeters. We can also form a simple proportion to calculate the result:
1 cm → 10 mm
45 cm → L(mm)
Solve the above proportion to obtain the length L in millimeters:
L(mm) = 45 cm × 10 mm
L(mm) = 450 mm
The final result is:
45 cm → 450 mm
We conclude that 45 centimeters is equivalent to 450 millimeters:
45 centimeters = 450 millimeters
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 0.0022222222222222 × 45 centimeters.
Another way is saying that 45 centimeters is equal to 1 ÷ 0.0022222222222222 millimeters.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that forty-five centimeters is approximately four hundred fifty millimeters:
45 cm ≅ 450 mm
An alternative is also that one millimeter is approximately zero point zero zero two times forty-five centimeters.
Conversion table
centimeters to millimeters chart
For quick reference purposes, below is the conversion table you can use to convert from centimeters to millimeters
centimeters (cm) | millimeters (mm) |
---|---|
46 centimeters | 460 millimeters |
47 centimeters | 470 millimeters |
48 centimeters | 480 millimeters |
49 centimeters | 490 millimeters |
50 centimeters | 500 millimeters |
51 centimeters | 510 millimeters |
52 centimeters | 520 millimeters |
53 centimeters | 530 millimeters |
54 centimeters | 540 millimeters |
55 centimeters | 550 millimeters |