Unit Converter
Conversion formula
The conversion factor from millimeters to decimeters is 0.01, which means that 1 millimeter is equal to 0.01 decimeters:
1 mm = 0.01 dm
To convert 4 millimeters into decimeters we have to multiply 4 by the conversion factor in order to get the length amount from millimeters to decimeters. We can also form a simple proportion to calculate the result:
1 mm → 0.01 dm
4 mm → L(dm)
Solve the above proportion to obtain the length L in decimeters:
L(dm) = 4 mm × 0.01 dm
L(dm) = 0.04 dm
The final result is:
4 mm → 0.04 dm
We conclude that 4 millimeters is equivalent to 0.04 decimeters:
4 millimeters = 0.04 decimeters
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 decimeter is equal to 25 × 4 millimeters.
Another way is saying that 4 millimeters is equal to 1 ÷ 25 decimeters.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that four millimeters is approximately zero point zero four decimeters:
4 mm ≅ 0.04 dm
An alternative is also that one decimeter is approximately twenty-five times four millimeters.
Conversion table
millimeters to decimeters chart
For quick reference purposes, below is the conversion table you can use to convert from millimeters to decimeters
millimeters (mm) | decimeters (dm) |
---|---|
5 millimeters | 0.05 decimeters |
6 millimeters | 0.06 decimeters |
7 millimeters | 0.07 decimeters |
8 millimeters | 0.08 decimeters |
9 millimeters | 0.09 decimeters |
10 millimeters | 0.1 decimeters |
11 millimeters | 0.11 decimeters |
12 millimeters | 0.12 decimeters |
13 millimeters | 0.13 decimeters |
14 millimeters | 0.14 decimeters |