Construction Calculators

Calculate construction measurements and materials for your projects. Area, volume, concrete, tiles, paint, flooring and more. Fast, accurate and easy to understand.

Area & Volume

Measure rooms, spaces and containers for any project.

Area Calculator

Calculate the area of rectangles, circles, triangles and more.

Volume Calculator

Calculate the volume of boxes, cylinders, spheres and more.

Square Footage Calculator

Calculate the square footage of a room or space.

Concrete & Fill Materials

Estimate concrete, gravel and mulch for slabs, driveways and beds.

Concrete Calculator

Calculate concrete needed for slabs, footings and columns.

Gravel Calculator

Calculate gravel needed for driveways and paths.

Mulch Calculator

Calculate mulch needed for garden beds.

Flooring, Tiles & Paint

Buy the right amount of flooring, tiles or paint for a space.

Tile Calculator

Calculate how many tiles you need for a floor or wall.

Flooring Calculator

Calculate flooring material needed for a room.

Paint Calculator

Calculate how much paint you need for a room.

Roofs, Fences & Stairs

Estimate materials for roofing, fencing and stair construction.

Roofing Calculator

Estimate roofing materials needed for your roof.

Fence Calculator

Calculate fencing materials needed for your property.

Stair Calculator

Calculate stair dimensions - risers, treads and stringers.

Related categories

Math Calculators

Percentages, averages, ratios and everyday math.

Science & Engineering Calculators

Ohm's law, power, density, force and more.