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 6680 millimeters into kilometers we have to multiply 6680 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

6680 mm → L_(km)

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

L_(km) = 6680 mm × 1.0E-6 km

L_(km) = 0.00668 km

The final result is:

6680 mm → 0.00668 km

We conclude that 6680 millimeters is equivalent to 0.00668 kilometers:

6680 millimeters = 0.00668 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 149.7005988024 × 6680 millimeters.

Another way is saying that 6680 millimeters is equal to 1 ÷ 149.7005988024 kilometers.

Approximate result

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

6680 mm ≅ 0.007 km

An alternative is also that one kilometer is approximately one hundred forty-nine point seven zero one times six thousand six hundred eighty 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