There are 100 cm in one meter.
There are 1000 meters in one kilometer.
With this information you can now work out how many kilometers equals 2050 cm ( hint, the distance is only a few tens of meters, much less than a kilometer).
.0007 kilometers equals 700 milimeters.
Three feet equals 0.0009144 kilometers.
250 millimeters equals .000250 kilometers
61 kilometers (km) equals 61000 meters.
227 kilometers
40.2336 kilometers
0.002 kilometers
0.25 kilometers
12.800 kilometers
1.6 km
2.25 kilometers
0.000055 kilometers