Home project math, made practical

Home improvement calculators that show the math

Plan materials with focused, mobile-friendly calculators that explain each estimate instead of hiding the assumptions.

Concrete & Masonry

Concrete Calculator
Estimate concrete volume, bag counts, and ready-mix quantity for slabs, tubes, post holes, and columns.

Decking & Fencing

Deck Board Calculator
Estimate deck-board rows, stock boards, linear coverage, and fastening screws.Fence Calculator
Estimate posts, rails, vertical pickets, and concrete bags for a straight fence run.

Drywall & Framing

Drywall Calculator
Estimate drywall sheets, screws, tape, and compound for room walls and an optional ceiling.

Flooring & Tile

Flooring Calculator
Estimate whole boxes of laminate, vinyl plank, or wood flooring from area and carton coverage.Tile Calculator
Estimate individual tiles and whole boxes from floor and tile dimensions.

Landscaping & Outdoor

Gravel Calculator
Estimate gravel volume and weight from area, depth, waste, and material density.Mulch Calculator
Estimate mulch volume and bag counts for a rectangular garden or landscape bed.Sod Calculator
Estimate sod or turf rolls, full pallets, and purchased coverage for a measured lawn area.Topsoil Calculator
Estimate topsoil or garden soil volume with custom dimensions or raised-bed presets.

Paint & Walls

Paint Calculator
Estimate paint volume and can counts from room dimensions, openings, and number of coats.