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 1.8 decimeters into millimeters we have to multiply 1.8 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
1.8 dm → L(mm)
Solve the above proportion to obtain the length L in millimeters:
L(mm) = 1.8 dm × 100 mm
L(mm) = 180 mm
The final result is:
1.8 dm → 180 mm
We conclude that 1.8 decimeters is equivalent to 180 millimeters:
1.8 decimeters = 180 millimeters
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 0.0055555555555556 × 1.8 decimeters.
Another way is saying that 1.8 decimeters is equal to 1 ÷ 0.0055555555555556 millimeters.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that one point eight decimeters is approximately one hundred eighty millimeters:
1.8 dm ≅ 180 mm
An alternative is also that one millimeter is approximately zero point zero zero six times one point eight decimeters.
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) |
---|---|
2.8 decimeters | 280 millimeters |
3.8 decimeters | 380 millimeters |
4.8 decimeters | 480 millimeters |
5.8 decimeters | 580 millimeters |
6.8 decimeters | 680 millimeters |
7.8 decimeters | 780 millimeters |
8.8 decimeters | 880 millimeters |
9.8 decimeters | 980 millimeters |
10.8 decimeters | 1080 millimeters |
11.8 decimeters | 1180 millimeters |