Building & Home Improvement Calculators

Enter your project dimensions and instantly see how much material to buy — in the right units, with bag counts and a cost estimate. Free, no sign-up.

Concrete & Masonry

Slabs, footings, walls and block work.

🧱 Concrete Calculator Slabs, footings, columns & stairs Available 🧱 Brick Calculator Bricks & mortar for a wall Coming soon 🧗 Retaining Wall Calculator Blocks, backfill & drainage Coming soon

Paint & Coatings

Interior and exterior wall coverings.

🎨 Paint Calculator Gallons for a room or wall Available 🧻 Wallpaper Calculator Rolls with pattern repeat Coming soon

Flooring & Tile

Floors, tile and the materials that go under them.

🪵 Flooring Calculator Area & boxes with waste Available ▦ Grout Calculator Grout for a tiled area Coming soon

Outdoor & Landscaping

Yards, gardens, patios and pools.

🍂 Mulch Calculator Cubic yards & bags Available 🪨 Gravel Calculator Tons & cubic yards Available ⬛ Paver Calculator Pavers, sand & base Coming soon 🪜 Fence Calculator Posts, rails & pickets Coming soon 🌱 Raised Bed Soil Calculator Soil volume & bags Coming soon 🏊 Pool Volume Calculator Gallons of water Coming soon

Framing & Structure

Decks, walls, roofs and lumber.

🏠 Roofing Calculator Squares & shingle bundles Available 🛠️ Deck Calculator Boards, joists & screws Coming soon 🧰 Drywall Calculator Sheets, mud & tape Coming soon 📐 Stair Calculator Rise, run & stringers Coming soon 🪵 Lumber Board Feet Calculator Board feet & cost Coming soon

HVAC & Insulation

Heating, cooling and keeping it in.

❄️ BTU Calculator AC & heater sizing Available 🧯 Insulation Calculator Coverage by R-value Coming soon

Why CreateCalc?

Every CreateCalc tool turns a few simple measurements into a clear shopping list — cubic yards, bags, boxes, gallons — plus an optional cost estimate. No sign-up, no app, and it works on a phone while you're standing in the project. New calculators are being added every week.