Question: How do I calculate feet and inches to sq ft? (exp. 23' x 21' 5" to sq ft)

Thank you!

Rebecca,

There are 12 inches in a foot so 5 inches is ^{5}/_{12} of a foot. In decimal form ^{5}/_{12} = 0.41667 so

23' by 21' 5" is 23' by 21.41667' and the area is 23 21.41667 = 492.583 square feet

Penny