look at your 7 grade math book
Wiki User
∙ 12y ago1 mm= 1/1000 km
10000 mm = 0.01 km
0.25 km = 250,000 mm
To convert from mm to km, divide by a million.
25.6 kilometers (mm / 1,000,000 = km)
4.3 mm is equal to 0.0000043 km
8490 mm = 0.00849 km
1,000,000 mm = 1 km
1 km equals 100,000 mm
1000 mm = 1 m = 0.001 km
1000 mm = 1 metre = 10-3 km
6,000,000 mm