Ounces and feet are units of measurement in the English system.
They are measures of distance in a nearly obsolete system of measurement.
The diagonal measurement of an 8 ft square is: 11.31 feet.
300 feet ( ft ) is a measurement of length or distance not a measurement of weight
As I remember from grade school back in the 1960's I believe it was called: "Units and Standards" We refer to the U.S. measurement system today as the "Standard Measurement," "US Standard," "English Units," "US Customary Units," and "Imperial Units."
ft is a measurement of length, pounds is a measurement of weight so the two aren't related
There is no conversion. "Cu ft" is a volume measurement, "kg" is a mass measurement.
24 ft. wide, 8 ft. high, 4 ft. at the bottom- This is the standard measurement for a soccer net.
29500 ft is a linear measurement, acres are a measurement of area there fore incompatible. However there are 43560 sq ft in an acre
ft-lb (foot pounds) is a measurement of torque.
Board feet is a cubic measurement of wood. One board foot = 1 ft × 1 ft × 1 in.
This question is unanswerable because you are asking a conversion from a linear measurement to an area measurement, which is impossible to achieve.
3 ft