15 decimeters in millimeters

Result

The conversion result is: 15 decimeters is equivalent to 1500 millimeters.^[1]

Conversion formula
How to convert 15 decimeters to millimeters?

We know (by definition) that: 1 dm = 100 mm.

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

1 dm / 15 dm = 100 mm / x mm

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

x mm = (15 dm / 1 dm) * 100 mm → x mm = 1500 mm

Conclusion:

15 dm = 1500 mm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 millimeter is equal to 0.000666666666666667 times 15 decimeters.

It can also be expressed as: 15 decimeters is equal to 1 / 0.000666666666666667 millimeters.

Approximation

An approximate numerical result would be: fifteen decimeters is about one thousand, five hundred millimeters, or alternatively, a millimeter is about zero times fifteen decimeters.