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 1.2 decimeters into millimeters we have to multiply 1.2 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
1.2 dm → L(mm)
Solve the above proportion to obtain the length L in millimeters:
L(mm) = 1.2 dm × 100 mm
L(mm) = 120 mm
The final result is:
1.2 dm → 120 mm
We conclude that 1.2 decimeters is equivalent to 120 millimeters:
1.2 decimeters = 120 millimeters
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 0.0083333333333333 × 1.2 decimeters.
Another way is saying that 1.2 decimeters is equal to 1 ÷ 0.0083333333333333 millimeters.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that one point two decimeters is approximately one hundred twenty millimeters:
1.2 dm ≅ 120 mm
An alternative is also that one millimeter is approximately zero point zero zero eight times one point two 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) |
---|---|
2.2 decimeters | 220 millimeters |
3.2 decimeters | 320 millimeters |
4.2 decimeters | 420 millimeters |
5.2 decimeters | 520 millimeters |
6.2 decimeters | 620 millimeters |
7.2 decimeters | 720 millimeters |
8.2 decimeters | 820 millimeters |
9.2 decimeters | 920 millimeters |
10.2 decimeters | 1020 millimeters |
11.2 decimeters | 1120 millimeters |