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 1503 millimeters into kilometers we have to multiply 1503 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

1503 mm → L_(km)

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

L_(km) = 1503 mm × 1.0E-6 km

L_(km) = 0.001503 km

The final result is:

1503 mm → 0.001503 km

We conclude that 1503 millimeters is equivalent to 0.001503 kilometers:

1503 millimeters = 0.001503 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 665.33599467731 × 1503 millimeters.

Another way is saying that 1503 millimeters is equal to 1 ÷ 665.33599467731 kilometers.

Approximate result

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

1503 mm ≅ 0.002 km

An alternative is also that one kilometer is approximately six hundred sixty-five point three three six times one thousand five hundred three 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