Estimate material costs for building a storage shed by specifying dimensions, foundation type, siding, roofing, roof pitch, and waste allowance.
Last updated: March 2026
feet
feet
feet
support structure
exterior walls
roof covering
using default mild pitch assumption (≈1.15 multiplier)
applied to material categories
⚠ Cost Model Limitations: This calculator uses fixed $/sq ft rates for foundation, framing, siding, roofing, and flooring. These rates are heavily generalized and do not reflect:
This is a preliminary budgeting tool only, not a binding estimate. Always obtain quotes from local materials suppliers and contractors. Roof pitch enters as x/12 format regardless of unit mode. Add 20–30% contingency to final estimate for unexpected costs.
A storage shed is a standalone outbuilding designed to provide secure, weatherproof storage for tools, equipment, seasonal items, and other possessions. Sheds come in various sizes and styles, from small 8×6 structures to large 12×20 workshops, and can be constructed from various materials including wood, vinyl, or metal.
Building a DIY shed allows you to customize dimensions, materials, and features to match your needs and budget. Costs vary significantly based on foundation type, siding material, roofing choice, roof pitch, and waste. This calculator estimates material costs for typical single-story sheds with standard features.
This calculator estimates shed cost by breaking the build into three core components: floor area, wall area, and roof area. Unlike flat square-foot shortcuts, this method better reflects how materials are actually estimated in real shed projects while keeping inputs simple.
Estimate a 10 ft × 8 ft × 8 ft shed on skids with T1-11 siding, asphalt shingles, a 6/12 roof pitch, and 10% waste:
For basic tool storage, 8×6 is often enough. For lawn equipment or workshop use, 10×8, 10×12, or larger layouts are more practical.
Waste covers off-cuts, overlaps, mistakes, damaged boards, and other real-world losses that happen during a build.
Yes, if you know the pitch. A custom pitch gives a more realistic roof-area estimate than the default mild-slope assumption.
Switch to metric to input dimensions in meters. Costs are automatically converted to per-square-meter rates for accurate budgeting. Pitch format remains x/12 (universal standard).
No. This calculator estimates material costs only. Hiring labor can add substantially to the project total.
Skids are usually the lowest-cost option, followed by concrete blocks, with slabs usually costing the most.
Yes, metal usually costs more upfront, but it may last longer and require less maintenance over time.
Permit rules vary by location. Always check local setbacks, size limits, and HOA rules before building.
No. Treat it as a planning estimate, then verify with local supplier pricing and your actual shed design.
Dimensions must be between 4–100 feet (imperial) or 1.2–30 meters (metric) to ensure reasonable shed sizing and prevent calculation errors.
Related Tools
Calculate break-even analysis.
Calculate concrete needed.
Calculate blocks needed.
Calculate concrete fill for blocks.
Calculate column concrete.
Estimate driveway costs.