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 1580 millimeters into decimeters we have to multiply 1580 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

1580 mm → L_(dm)

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

L_(dm) = 1580 mm × 0.01 dm

L_(dm) = 15.8 dm

The final result is:

1580 mm → 15.8 dm

We conclude that 1580 millimeters is equivalent to 15.8 decimeters:

1580 millimeters = 15.8 decimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 decimeter is equal to 0.063291139240506 × 1580 millimeters.

Another way is saying that 1580 millimeters is equal to 1 ÷ 0.063291139240506 decimeters.

Approximate result

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

1580 mm ≅ 15.8 dm

An alternative is also that one decimeter is approximately zero point zero six three times one thousand five hundred eighty 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