there are 1000mm in a metre and 1000 metres in a km, so you divide by 1,000,000.
There are 0.000006 km in 6mm
6000000
6,000,000 Millimeters = 6 Kilometers
1.5 * 10-6
There are 14,000,000 millimeters in 14 kilometers.
250 millimeters=0.00025 kilometers
5.6 millimeters = 5.6 × 10-6 kilometers
3 kilometers = 3,000,000 millimeters
318 kilometers = 318,000,000 millimeters
There are 0.003555 kilometers in 3555 millimeters.
872 kilometers = 872,000,000 millimeters
17 kilometers is 17,000,000 millimeters.
8.31 kilometers is 8,310,000 millimeters.