Square Footage CalculatorFLAGSHIP
Calculate room, floor or project area.
Calculate rectangular area
Find square footage from length and width, with optional waste allowance for purchasing materials.
Method
Area = length × width. The waste percentage is applied after the base area is calculated.
Example
A 12 × 15 ft room is 180 sq ft; with 10% waste the purchasing target is 198 sq ft.