Hi there! There are 5,280 feet in one mile, and there are 30.48 cm per foot. To find the amount of centimeters in one mile, all you have to do is multiply 30.48 by 5,280. 30.48 * 5,280 is 160,934.4. There. There are 160,934.4 centimeters in one mile.
It is SO important to sleep even if you have work. Sleep first, but make sure that you have a bit of time to work on whatever you need to do. But sleep first.