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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 55 millimeters into decimeters we have to multiply 55 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

55 mm → L(dm)

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

L(dm) = 55 mm × 0.01 dm

L(dm) = 0.55 dm

The final result is:

55 mm → 0.55 dm

We conclude that 55 millimeters is equivalent to 0.55 decimeters:

55 millimeters = 0.55 decimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 decimeter is equal to 1.8181818181818 × 55 millimeters.

Another way is saying that 55 millimeters is equal to 1 ÷ 1.8181818181818 decimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that fifty-five millimeters is approximately zero point five five decimeters:

55 mm ≅ 0.55 dm

An alternative is also that one decimeter is approximately one point eight one eight times fifty-five 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)
56 millimeters 0.56 decimeters
57 millimeters 0.57 decimeters
58 millimeters 0.58 decimeters
59 millimeters 0.59 decimeters
60 millimeters 0.6 decimeters
61 millimeters 0.61 decimeters
62 millimeters 0.62 decimeters
63 millimeters 0.63 decimeters
64 millimeters 0.64 decimeters
65 millimeters 0.65 decimeters