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 350 millimeters into decimeters we have to multiply 350 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

350 mm → L_(dm)

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

L_(dm) = 350 mm × 0.01 dm

L_(dm) = 3.5 dm

The final result is:

350 mm → 3.5 dm

We conclude that 350 millimeters is equivalent to 3.5 decimeters:

350 millimeters = 3.5 decimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 decimeter is equal to 0.28571428571429 × 350 millimeters.

Another way is saying that 350 millimeters is equal to 1 ÷ 0.28571428571429 decimeters.

Approximate result

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

350 mm ≅ 3.5 dm

An alternative is also that one decimeter is approximately zero point two eight six times three hundred fifty 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