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 427 decimeters into millimeters we have to multiply 427 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

427 dm → L_(mm)

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

L_(mm) = 427 dm × 100 mm

L_(mm) = 42700 mm

The final result is:

427 dm → 42700 mm

We conclude that 427 decimeters is equivalent to 42700 millimeters:

427 decimeters = 42700 millimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 2.3419203747073E-5 × 427 decimeters.

Another way is saying that 427 decimeters is equal to 1 ÷ 2.3419203747073E-5 millimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty-seven decimeters is approximately forty-two thousand seven hundred millimeters:

427 dm ≅ 42700 mm

An alternative is also that one millimeter is approximately zero times four hundred twenty-seven 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