Square Footage Calculator

Inputs

Results update as you type.

Shape
ft
ft
Order
%
/ft²
Rectangular area in plan20 ft15 ft300.00 ft²myconstructioncalculator.com
Diagram updates as you type.

Results

Check the working before you order.

Total area
300.00ft²
In square meters27.87 m²
Square yards33.33 yd²
Acres0.0069 acres
Price This optional: add your own prices

Your prices are remembered on this device only.

Working
  1. Area = length × width = 300.00 ft²
  2. 300.00 ft² × 0.0929 = 27.87 m²; ÷ 9 = 33.33 yd²

Results are estimates for planning and material ordering only. They are not a substitute for structural design or approval by a qualified engineer. Read the full disclaimer.

Square Footage Calculator byMy Construction Calculator: free construction calculators with the working shown.