Know exactly what you need before you spend.
Free calculators for concrete, gravel, mulch, fencing, sod, paint, and more. Industry-standard formulas. No sign-up. No guesswork.
Material Calculators
Concrete Calculator
Slabs, footings, posts, driveways. Yards, bags, or cost.
Gravel Calculator
Driveways, pathways, drainage. Tons or cubic yards.
Mulch Calculator
Garden beds, playgrounds, landscaping. Bags or bulk.
Fence Calculator
Posts, pickets, stain, cost. Any fence type.
Sod Calculator
Square feet or metres, pallets, and rolls. With waste factor.
Paint Calculator
Walls, ceilings, trim. Gallons with coats.
Tile Calculator
Floors, walls, backsplashes. Boxes with waste factor.
Concrete Block Calculator
CMU blocks, courses, and mortar bags for any wall.
Soil Calculator
Raised beds, garden beds, containers. Bags, cubic feet, and mix ratios.
Topsoil Calculator
Lawn topdressing, new lawn install. Cubic yards, tons, and bags.
Compost Calculator
Garden beds, lawn topdressing, raised bed top-ups. Bags and cubic yards.
Sand Calculator
Play sand, paver base, mason sand, polymeric. Cubic yards, tons, bags.
Board Foot Calculator
Lumber volume and cost. Common nominal sizes with actual dimensions.
Deck Calculator
Complete materials list — boards, joists, beams, posts, footings, screws.
Built for the trip to the hardware store. Not the textbook.
Every calculator on this site uses the same formulas contractors use. No sign-up, no account, no nonsense. Enter your dimensions, get your number, go buy the right amount.