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 6990 millimeters into kilometers we have to multiply 6990 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

6990 mm → L_(km)

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

L_(km) = 6990 mm × 1.0E-6 km

L_(km) = 0.00699 km

The final result is:

6990 mm → 0.00699 km

We conclude that 6990 millimeters is equivalent to 0.00699 kilometers:

6990 millimeters = 0.00699 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 143.06151645207 × 6990 millimeters.

Another way is saying that 6990 millimeters is equal to 1 ÷ 143.06151645207 kilometers.

Approximate result

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

6990 mm ≅ 0.007 km

An alternative is also that one kilometer is approximately one hundred forty-three point zero six two times six thousand nine hundred ninety 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