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 518 millimeters into kilometers we have to multiply 518 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

518 mm → L_(km)

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

L_(km) = 518 mm × 1.0E-6 km

L_(km) = 0.000518 km

The final result is:

518 mm → 0.000518 km

We conclude that 518 millimeters is equivalent to 0.000518 kilometers:

518 millimeters = 0.000518 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 1930.5019305019 × 518 millimeters.

Another way is saying that 518 millimeters is equal to 1 ÷ 1930.5019305019 kilometers.

Approximate result

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

518 mm ≅ 0.001 km

An alternative is also that one kilometer is approximately one thousand nine hundred thirty point five zero two times five hundred eighteen 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