Okay, let's see. There are 1000 mm in 1 meter, and 1000 meters in 1 km. So, 1 million millimeters would be 1000 meters, or 1 kilometer.
1 million mm in 1 km.
1 million mm per kilometer.
To convert from mm to km, divide by a million. (1 km = 1000 m; 1 mm = 0.001 m.)
There are 1000mm in a metre and 1000m in a kilometre so there would be 1000000 (1 million) millimetres in a kilometre.
1 million mm per km
5 mi is about 8.045 km. Since 1 km = 1 million mm, then 8.045 km = 8,045,000 mm. 5 mi = 8,045,000 mm.
There are 1000 mm in 1 m (milli- stands for 1/1000) and there are 1000 m in 1 km (kilo- stands for 1000). So 1000 x 1000 = 1 million, so there are 5.2 million mm in 5.2 km.
There are 1,000,000 (one million) mm in a km. Well you see, there are 100 metres in a kilometre. There are 100 centimetres in a metre. There are 10 millimetres in a centimetre. So, 100 times 100 times 10 equals how many mm in a km. That is 1,000,000 mm in a km!
1 mm= 1/1000 km
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).
1,000,000 mm = 1 km
You would multiply by 1,000 since there are 1,000 millimeters in one kilometer.