Free Outdoor & Exterior Calculators
Calculate exactly how much material you need for any outdoor project. Free, accurate calculators for siding, landscaping, decks, patios, fencing, and more.
🌿Landscaping Materials
Mulch Calculator
Calculate how much mulch you need for garden beds and landscaping.
Gravel Calculator
Estimate gravel for driveways, paths, and drainage projects.
Topsoil Calculator
Calculate topsoil and fill dirt for landscaping and gardens.
Landscape Fabric Calculator
Estimate weed barrier fabric for garden beds.
🧱Hardscaping
Paver Calculator
Calculate pavers needed for patios, walkways, and driveways.
Concrete Calculator
Calculate concrete bags and cubic yards for slabs, patios, and driveways.
Retaining Wall Calculator
Estimate wall blocks, base gravel, and drainage backfill for retaining walls.
Flagstone Calculator
Estimate flagstone for natural stone patios and paths.
Brick Calculator
Calculate bricks for patios, walkways, and borders.
Stepping Stone Calculator
Estimate stepping stones for garden paths.
Need interior room calculators?
RoomsGPT has calculators for flooring, walls, kitchens, bathrooms, and interior finishing projects.
View RoomsGPT Interior Calculators →Want to Visualize Your Project?
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