Unit Converter
Conversion formula
The conversion factor from decimeters to millimeters is 100, which means that 1 decimeter is equal to 100 millimeters:
1 dm = 100 mm
To convert 1 decimeter into millimeters we have to multiply 1 by the conversion factor in order to get the length amount from decimeters to millimeters. We can also form a simple proportion to calculate the result:
1 dm → 100 mm
1 dm → L(mm)
Solve the above proportion to obtain the length L in millimeters:
L(mm) = 1 dm × 100 mm
L(mm) = 100 mm
The final result is:
1 dm → 100 mm
We conclude that 1 decimeter is equivalent to 100 millimeters:
1 decimeter = 100 millimeters
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 0.01 × 1 decimeter.
Another way is saying that 1 decimeter is equal to 1 ÷ 0.01 millimeters.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that one decimeter is approximately one hundred millimeters:
1 dm ≅ 100 mm
An alternative is also that one millimeter is approximately zero point zero one times one decimeter.
Conversion table
decimeters to millimeters chart
For quick reference purposes, below is the conversion table you can use to convert from decimeters to millimeters
decimeters (dm) | millimeters (mm) |
---|---|
2 decimeters | 200 millimeters |
3 decimeters | 300 millimeters |
4 decimeters | 400 millimeters |
5 decimeters | 500 millimeters |
6 decimeters | 600 millimeters |
7 decimeters | 700 millimeters |
8 decimeters | 800 millimeters |
9 decimeters | 900 millimeters |
10 decimeters | 1000 millimeters |
11 decimeters | 1100 millimeters |