Use a calculator or divide by 10000
251 cm = 251 x 10 mm = 2,510 mm 561097 mm = 561097/1,000,000 km = 0.561097 km
8490 mm = 0.00849 km
1000 mm = 1 m = 0.001 km
Use the formula below: 1 km*1000 m 1 km=1,000 m
1 km = 1000 m, 1 m = 1000 mm, Thus, 5.8 mm = 0.0058 m and 0.0058 m = .0000058 km Therefore, 5.8 mm = .0000058 km
well if jupiter has a diameter of 143000 km across its equator then take that measurement and covert it to mm. that would be 143,000,000,000 (143 billion mm)
249m = 0.249km
106 mm = 1 km so 36100 mm = 36100/1000000 km = 0.0361 km. Simple!
1 mm= 1/1000 km
1 million mm per km
10000 mm = 0.01 km
0.25 km = 250,000 mm
Answer: 356840 km² = 137,776.694 mi²
251 cm = 251 x 10 mm = 2,510 mm 561097 mm = 561097/1,000,000 km = 0.561097 km
1000 mm = 1 m 1000 m = 1 km ⇒ 1000 x 1000 mm = 1000000 mm = 1 km ⇒ 50 mm = 50 ÷ 1000000 km = 0.00005 km
1,000,000 mm = 1 km
To convert from mm to km, divide by a million.