1000
You divide the number of millimeters by a million.
To convert meters into kilometers, just divide by 1000 _______________________________________________________________________There are 1000 millimeters in 1 meter. In addition, there are 1000 meters in one kilometer. Thus, there are 1,000,000 millimeters in 1 kilometer. Divide whatever number you have in millimeters by 1,000,000 and you will get the number in kilometers.
One million 10^6
Multiply by 2.54; this converts to millimeters. Now divide by one million; this gives kilometers. For a quick approximation, divide by 4, then divide by 100,000.
Divide the number of millimeters by 10.
3 kilometers is 3,000,000 millimeters.
To convert from millimeters to centimeters, divide by 10.
Ten. Divide millimeters by 10 to get centimeters.
Divide it by 106 (or 1 million).
There are 1000000 millimeters in one kilometer so that means you have to divide your milliometers by 1000000 [EXAMPLE] 3950000000mm/1000000=3950km
Divide by one million. Equals 0.000250 km
By dividing the number of milimeters by 1,000,000.