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DIY Shed Cost Calculator

Area-based entered quote for a rectangular shed. Include framing/cladding in wall rates as needed. Does not engineer structure, foundations or permitting. GAO supports the cost-build-up methodology, not shed prices or design specifications. Area-times-rate equations are independently constructed estimate arithmetic.

Area-based entered quote for a rectangular shed. Include framing/cladding in wall rates as needed. Does not engineer structure, foundations or permitting. GAO supports the cost-build-up methodology, not shed prices or design specifications. Area-times-rate equations are independently constructed estimate arithmetic.

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Result

Enter your values and run the tool to see your result.

How to use this tool

Check the units, enter your values, and run the tool. Results follow the assumptions and method below.

Calculation method

Floor area (m²)length*width
Net wall area (m²)2*(length+width)*height-openings
Roof area (m²)length*width*roofFactor
Estimated total cost(length*width*floorRate+(2*(length+width)*height-openings)*wallRate+length*width*roofFactor*roofRate)*(1+waste/100)+extra+labor

References