All Calculators

Every calculator gives you exact quantities plus a complete materials list — including the consumables most people forget. Free, no signup, works in any browser.

Paint & Walls

Paint, drywall and wallpaper estimates for any room.

Paint Calculator

How much paint do I need?

Drywall Calculator

Sheets, mud, tape & screws.

Wallpaper Calculator

Rolls including pattern repeat.

Lumber & Framing Calculator

Stud count, plates, headers & nails for any wall.

Flooring & Tile

Work out flooring and tile quantities, plus the setting materials.

Flooring Calculator

Hardwood, laminate & vinyl plank.

Tile Calculator

Tiles, grout, thinset & spacers.

Sheet Cut Calculator

Plywood cut layout & sheets needed.

Concrete & Aggregate

Concrete, gravel and the materials that go with them.

Concrete Calculator

Slabs, footings & post holes.

Gravel Calculator

Aggregate by area, depth & tons.

Dimensions Converter

Length, area & volume across units.

Outdoor & Landscaping

Decks, fencing and mulch for outdoor projects.

Deck Calculator

Boards, joists, screws & footings.

Fence Calculator

Posts, rails, pickets & concrete.

Mulch Calculator

Bags vs. bulk cubic yards.

Stair Calculator

Risers, treads, stringer & IRC code check.

Roofing & Insulation

Roofing and insulation coverage by area and climate.

Roofing Calculator

Squares, bundles & underlayment.

Insulation Calculator

Batts & rolls by R-value.

Roof Pitch Calculator

Rafter length, rise, angle & slope factor.

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