Multiply by one million.
To convert mm to km, divide by one million. 45000 mm = 0.045 km
To convert from mm to km, divide by a million.
To convert from mm to km, divide by a million. (1 km = 1000 m; 1 mm = 0.001 m.)
1000 mm = 1 m 1000 m = 1 km ⇒ 1000 x 1000 mm = 1 km ⇒ 1000000 mm = 1 km Therefore to convert 10 mm to km divide by 1000000 (a million).
If you want to convert from mm to km, divide by a million.
Multiply km by one million (1km is 1 million mm): 65km = 65 x 1,000,000 = 65,000,000mm
One thousand millimetres is one metre. One thousand metres is one kilometre. So one million mm is one km. And 1.9 mm is 1.9 divided by 1,000,000 km.
To convert km to mm you multiply km by 1,000,000 (one million). So, 1km = 1 million millimeters.
To convert 500,000 mm to km, divide by 1,000,000 (since 1 km is equal to 1,000,000 mm). This gives you 0.5 km.
1 million mm per km
To convert from kilometers to millimeters, you need to remember that there are 1,000,000 millimeters in a kilometer. So, to convert 0.001 km to millimeters, you would multiply 0.001 by 1,000,000 to get 1,000 mm.
245.56mm is 0.00024556 km.