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 1040 millimeters into kilometers we have to multiply 1040 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

1040 mm → L_(km)

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

L_(km) = 1040 mm × 1.0E-6 km

L_(km) = 0.00104 km

The final result is:

1040 mm → 0.00104 km

We conclude that 1040 millimeters is equivalent to 0.00104 kilometers:

1040 millimeters = 0.00104 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 961.53846153846 × 1040 millimeters.

Another way is saying that 1040 millimeters is equal to 1 ÷ 961.53846153846 kilometers.

Approximate result

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

1040 mm ≅ 0.001 km

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