1 decimeter in millimeters
Result
The conversion result is: 1 decimeter is equivalent to 100 millimeters.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 millimeter is equal to 0.01 times 1 decimeter.
It can also be expressed as: 1 decimeter is equal to 1 / 0.01 millimeters.
Approximation
An approximate numerical result would be: one decimeter is about one hundred millimeters, or alternatively, a millimeter is about zero times one decimeter.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.