How to calculate Square foot?
Measure the length and width in feet by tape
Use Formula to calculate sq. foot Length x width = Sq. foot
Suppose, you measured 12 feet length and 10 width
Insert the value into formula (length x width)
12 x 10 =120
is total square foot
If you wish to measure in inches then use this second method.
After measuring in inches use this formula
(length x width = sq. ft./144)
if you measured 132 and 126 inches
then add it as 132 x 126 = 16632
16632 is total square inches divide it by 144
After dividing by 144 the answer will come out and that's sq. foot.
132 x 126 = 16632
16632/144 = 115.5 is sq. foot