Calculator library
Home Project Calculators
Find a tool by project, material or measurement. Every calculator supports US and Metric inputs and explains the assumptions behind the result.
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Try a material such as paint, tile, mulch or concrete, or clear the filters to browse all tools.
Project category
Concrete & Masonry
Concrete volume and bag planning for slabs and small pours.
Project category
Interior
Paint, flooring, tile and trim planning for rooms and finished spaces.
Paint Calculator
Estimate wall area, gallons and purchase quantity for an interior room, including doors, windows, coats and paint coverage.
Build a project plan → InteriorTile Calculator
Estimate tile quantity, project area, waste allowance and boxes for floors, walls and backsplashes.
Build a project plan → InteriorFlooring Calculator
Estimate flooring area, waste allowance and number of boxes for laminate, vinyl or hardwood projects.
Build a project plan → InteriorBaseboard Calculator
Estimate baseboard or trim linear feet and number of stock pieces for a rectangular room.
Build a project plan →Project category
Landscaping
Bulk and bagged materials for beds, paths and outdoor surfaces.
Gravel Calculator
Estimate gravel volume and approximate tons for driveways, paths and landscape areas.
Build a project plan → LandscapingMulch Calculator
Estimate mulch in cubic yards, cubic feet and common bag sizes from area and depth.
Build a project plan → LandscapingTopsoil Calculator
Estimate topsoil volume for lawns, garden beds and grading projects.
Build a project plan →Project category
Lawn & Garden
Seed and sod planning for measured lawn areas.
Project category
Measurement
Core area and dimension tools used before material planning.
Project category
Outdoor Projects
Fence and deck material planning for exterior builds.
Project category
Walls & Ceilings
Drywall and wall-covering quantities for interior surfaces.