Measure the length of the space in feet
Measure the width of the space in feet
Multiply length by width
Use the formula: square feet = length × width
For irregular spaces, divide the area into smaller rectangles or squares
Calculate the square footage of each section
Add all section square footages together
Convert inches to feet by dividing inches by 12 before calculating
Convert yards to feet by multiplying yards by 3 before calculating
Round the final result if needed