Tool Belt
Plan the project. Know the materials.
Measure, estimate and make a practical shopping plan. Eighteen tools for your next home project.
Estimate paintYour workbench
18 tools. Choose your next task.
Interior paint
Estimate paint from room dimensions, openings, coats and coverage. Compare US or metric inputs and see whole-can quantities with your allowance.
Open the toolTool BeltFlooring
Calculate flooring coverage and whole packs from your floor area, waste allowance and pack size. Compare assumptions before planning a purchase.
Open the toolTool BeltConcrete slab
Estimate a rectangular concrete slab in cubic yards or cubic metres. Enter length, width, depth, allowance and bag yield to see volume and bag count.
Open the toolTool BeltConcrete volume
Calculate rectangular or cylindrical concrete volume with labeled dimensions. Switch measurement systems and review the formula and example inputs.
Open the toolTool BeltDrywall
Estimate drywall sheets using wall area, openings, sheet coverage and waste allowance. See required coverage and rounded purchase quantities.
Open the toolTool BeltRoofing
Estimate roof material area from footprint, pitch and allowance. Review planning assumptions before checking the actual roof and product specifications.
Open the toolTool BeltFence
Estimate fence panels and posts from a straight run and panel span. See the quantity breakdown and adjust assumptions for your materials plan.
Open the toolTool BeltDeck materials
Estimate full-length deck boards from deck dimensions, board width, gap and allowance. Review the model before planning cuts or buying lumber.
Open the toolTool BeltTile
Calculate tile rows, columns and estimated pieces for a rectangular surface. Enter tile dimensions, joint gap and allowance to review your quantity.
Open the toolTool BeltGravel
Estimate gravel volume and weight using area dimensions, depth and bulk density. Compare measurement systems and keep product density assumptions visible.
Open the toolTool BeltMulch
Calculate mulch volume and whole bags from coverage area, layer depth and bag volume. Review the estimate in US customary or metric units.
Open the toolTool BeltBoard-foot lumber
Calculate board feet from actual board thickness, width, length and quantity. Review the formula and keep nominal lumber names separate from dimensions.
Open the toolTool BeltWall studs
Estimate stud positions for a straight wall run using maximum spacing and entered extras. This quantity estimate does not design load-bearing framing.
Open the toolTool BeltInsulation
Estimate insulation packs using net area, waste allowance and pack coverage. Compare purchase quantities without assuming thermal or code suitability.
Open the toolTool BeltPavers
Estimate paver rows, columns and whole pieces for a rectangular area. Adjust paver size, joint gap and allowance before planning your layout.
Open the toolTool BeltRoom area
Calculate room area from one or two non-overlapping rectangles. Switch between US and metric measurements and review each zone in the result.
Open the toolTool BeltMaterial waste
Calculate extra material and total quantity from a starting amount and percentage allowance. Compare scenarios and export the calculation as CSV.
Open the toolTool BeltHome-project budget
Estimate a home project budget from materials, labour, allowances, contingency and materials tax. Compare a saved scenario with your updated plan.
Open the toolKnow a little more before you begin.
How Much Paint Do You Need for a 12 × 12 Room?
The paint estimate depends on wall height, openings, coats and coverage. A room size alone cannot tell you the correct purchase quantity.
Read the worked example ↗ConstructionHow Much Concrete for a 10 × 12 Slab?
Concrete volume changes directly with thickness. Always convert inches to feet before multiplying footprint by depth.
Read the worked example ↗ConstructionHow Much Extra Flooring Should You Buy?
Extra flooring is a purchasing assumption for cuts, damage and packaging. It is not a universal fixed requirement.
Read the worked example ↗