Shed Size Calculator
Not sure what size shed you need? Tell us what you're storing and we'll recommend the right shed footprint so you don't end up cramped or paying for space you don't need.
Check what you need to store, then adjust quantities.
How to use this calculator
- Always check local zoning rules — many areas require permits for sheds over 100 sq ft.
- Pressure-treated lumber is essential for any framing that touches the ground.
- Order 10% more material than calculated to cover cuts, waste, and mistakes.
- A concrete pad lasts longer than gravel, but gravel drains better in wet climates.
Common mistakes to avoid
- →Forgetting waste and overage. Most pros add 10–15% extra to cover offcuts, mistakes, and damaged material.
- →Measuring once. Always double-check critical dimensions before ordering — returns waste time and money.
- →Ignoring permits and codes. Check with your local building department before purchasing materials for any structural project.
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