One millimeter is 0.000001km
0.000001 kilometers
divide by a million
1,000,000
1 millimeter is 0.000001 kilometers.
1 square millimeter = 0.0015500031 square inches.
1000000
1000000
1000
Exactly 1.
1 millimetre square = 0.0001 decimetres square.
Since a meter is 1000 times greater than a millimeter, a square meter is 1000^2 (1000 squared) times greater than a square millimeter, or a million times greater.