About 5.7 miles.
5.6818 miles (rounded)
1 mile = 5280 feet 30000 feet = 30000/5280 = 3000/528 = 750/132 = 375/66 = 125/22 = 5.681 miles
There are 43560 square feet in an acre. Therefore, 30000 square feet is equal to 30000/43560 = 0.6887052341597796143250 recurring (that is, 0.68870523415977961432506887052341597796143250...) acres.
40000 feet = 7.6 miles
About 5.7 miles.
1 mile = 5280 feet 30000 feet = 30000/5280 = 3000/528 = 750/132 = 375/66 = 125/22 = 5.681 miles
5.6818 miles (rounded)
To convert feet to miles, divide by 5280 (1 mile = 5280 feet). To convert hours to miles per hour, divide distance in miles by time in hours. Thus, to convert 30000 feet to miles per hour, first convert feet to miles (30000/5280), then divide by the number of hours to get miles per hour.
0.00108 square miles.
30000 miles
There are 5280 feet in one mile. Assuming the 81 recurs forever, 5.6818181... miles is equal to 5.6818181... x 5280 = 30000 feet.
35 000 feet = 6.62878788 miles
There are 43560 square feet in an acre. Therefore, 30000 square feet is equal to 30000/43560 = 0.6887052341597796143250 recurring (that is, 0.68870523415977961432506887052341597796143250...) acres.
There are 1.609344 kilometres in one mile. Therefore, 30000 miles is equal to 30000 x 1.609344 = 48280.32 kilometres.
Multiply miles by 5,280 to get feet.
3,209 feet = 0.608 miles.