15 centimeters in millimeters

Result

The conversion result is: 15 centimeters is equivalent to 150 millimeters.^[1]

Conversion formula
How to convert 15 centimeters to millimeters?

We know (by definition) that: 1 cm = 10 mm.

We can set up a proportion to solve for the number of millimeters.

1 cm / 15 cm = 10 mm / x mm

Now, we cross multiply to solve for our unknown x:

x mm = (15 cm / 1 cm) * 10 mm → x mm = 150 mm

Conclusion:

15 cm = 150 mm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 millimeter is equal to 0.00666666666666667 times 15 centimeters.

It can also be expressed as: 15 centimeters is equal to 1 / 0.00666666666666667 millimeters.

Approximation

An approximate numerical result would be: fifteen centimeters is about one hundred and fifty millimeters, or alternatively, a millimeter is about zero point zero one times fifteen centimeters.