Conversion formula

The conversion factor from millimeters to inches is 0.039370078740157, which means that 1 millimeter is equal to 0.039370078740157 inches:

1 mm = 0.039370078740157 in

To convert 5.5 millimeters into inches we have to multiply 5.5 by the conversion factor in order to get the length amount from millimeters to inches. We can also form a simple proportion to calculate the result:

1 mm → 0.039370078740157 in

5.5 mm → L_(in)

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

L_(in) = 5.5 mm × 0.039370078740157 in

L_(in) = 0.21653543307087 in

The final result is:

5.5 mm → 0.21653543307087 in

We conclude that 5.5 millimeters is equivalent to 0.21653543307087 inches:

5.5 millimeters = 0.21653543307087 inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 inch is equal to 4.6181818181818 × 5.5 millimeters.

Another way is saying that 5.5 millimeters is equal to 1 ÷ 4.6181818181818 inches.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that five point five millimeters is approximately zero point two one seven inches:

5.5 mm ≅ 0.217 in

An alternative is also that one inch is approximately four point six one eight times five point five millimeters.

Conversion table

millimeters to inches chart

For quick reference purposes, below is the conversion table you can use to convert from millimeters to inches