Conversion formula

The conversion factor from millimeters to kilometers is 1.0E-6, which means that 1 millimeter is equal to 1.0E-6 kilometers:

1 mm = 1.0E-6 km

To convert 550 millimeters into kilometers we have to multiply 550 by the conversion factor in order to get the length amount from millimeters to kilometers. We can also form a simple proportion to calculate the result:

1 mm → 1.0E-6 km

550 mm → L_(km)

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

L_(km) = 550 mm × 1.0E-6 km

L_(km) = 0.00055 km

The final result is:

550 mm → 0.00055 km

We conclude that 550 millimeters is equivalent to 0.00055 kilometers:

550 millimeters = 0.00055 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 1818.1818181818 × 550 millimeters.

Another way is saying that 550 millimeters is equal to 1 ÷ 1818.1818181818 kilometers.

Approximate result

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

550 mm ≅ 0.001 km

An alternative is also that one kilometer is approximately one thousand eight hundred eighteen point one eight two times five hundred fifty millimeters.

Conversion table

millimeters to kilometers chart

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