## 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 4.8 decimeters into millimeters we have to multiply 4.8 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

4.8 dm → L(mm)

Solve the above proportion to obtain the length L in millimeters:

L(mm) = 4.8 dm × 100 mm

L(mm) = 480 mm

The final result is:

4.8 dm → 480 mm

We conclude that 4.8 decimeters is equivalent to 480 millimeters:

4.8 decimeters = 480 millimeters

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 0.0020833333333333 × 4.8 decimeters.

Another way is saying that 4.8 decimeters is equal to 1 ÷ 0.0020833333333333 millimeters.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four point eight decimeters is approximately four hundred eighty millimeters:

4.8 dm ≅ 480 mm

An alternative is also that one millimeter is approximately zero point zero zero two times four 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)
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
12.8 decimeters 1280 millimeters
13.8 decimeters 1380 millimeters
14.8 decimeters 1480 millimeters