thejobsite.co
Know exactly how much material to buy.
Free DIY calculators for concrete, mulch, gravel, paint, decking, and more - built for the moment you're planning a project and heading to the store.
Popular calculators
Start with the highest-intent tools, then explore the full library below.
All 19 calculators
Every estimator is free, client-side, and built for DIY project planning.
Concrete & Masonry
Estimate bags, yards, and mix for slabs, sidewalks, footings, and block projects.
Lawn & Garden
Calculate coverage for mulch, topsoil, gravel, sand, and sod before you buy in bulk.
- Gravel CalculatorEstimate cubic yards and tons of gravel for driveways, paths, and fill.
- Mulch CalculatorConvert square footage into bags or cubic yards of mulch.
- Topsoil CalculatorFind how much topsoil you need for garden beds and lawns.
- Sand CalculatorEstimate paver sand, playground sand, and fill sand volume.
- Sod CalculatorFigure square footage and pallets of sod for a new lawn.
Deck & Fence
Plan deck boards, railing, fence panels, and posts for outdoor builds.
Interior Finish
Figure gallons, sheets, and boxes for paint, drywall, tile, flooring, and carpet.
- Drywall CalculatorFind sheets of drywall and mud needed for a room.
- Paint CalculatorEstimate gallons of paint for walls, ceilings, and trim.
- Tile CalculatorConvert room size into tile boxes plus grout and waste.
- Flooring CalculatorEstimate laminate, vinyl, or hardwood square footage with waste.
- Carpet CalculatorConvert room dimensions into carpet square yards.
- Wallpaper CalculatorEstimate rolls of wallpaper from wall area and pattern repeat.
Roofing & Framing
Estimate shingles, studs, plywood, and insulation for structural work.