134.8 cubic feet
840 half-gallons.
840 inches is 70 feet.
There are 12 inches in one foot. Therefore, 840 inches is equal to 840/12 = 70 feet.
There are 5280 feet in one mile. Therefore, 4 miles 840 feet is equal to (4 x 5280) = 21120 + 840 = 21960 feet.
840 square feet don't think the height of the ceilings helps unless you are looking for cubic feet which would be 7560 cubic feet
There are 30.48 centimetres in one foot. Therefore, rounded to two decimal places, 840 centimetres is equal to 840 / 30.48 = 27.56 feet.
3 miles = 15 840 feet
840 square feet.
840 yards.
840 feet/40 seconds = 21 feet per second.840 feet/40 seconds = 21 feet per second.840 feet/40 seconds = 21 feet per second.840 feet/40 seconds = 21 feet per second.
9 SQ feet = 1 SQ yard. 840 SQ feet = 931/3 SQ yards
3 miles = 15 840 feet