Shed Calculator
Calculate
Formula
Floor = L × W. Walls = 2(L×H) + 2(W×H). Roof = 2 × (L+2) × (W/2 + 1). Sheets = Area ÷ 32.
Frequently Asked Questions
What is included in the roof area?
The calculation assumes a simple gable roof with 1-foot eave overhang on all sides.
Does this include doors and windows?
No. This estimates the full wall area. You may need slightly fewer wall sheets if you have large openings, but it is wise to buy the full count for framing waste.