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Smart calculators

Construction Calculators

Construction calculators for concrete, materials, measurements, and project planning.

Estimate concrete, footings, slabs, piers, walls, gravel, square footage, and other construction project numbers with fast, easy-to-use calculators and guides.

Concrete Calculator

Live

Estimate concrete volume, waste, cost, slabs, footings, piers, walls, stairs, curbs, and more.

Concrete Cost Calculator

Live

Estimate concrete price, cubic yards, base material, rebar, labor, prep, delivery fees, and total project cost.

Concrete Slab Calculator

Guide

Estimate concrete for slabs, patios, driveways, sidewalks, garage floors, and shed pads.

Concrete Footing Calculator

Guide

Estimate concrete for strip footings, trench footings, wall footings, and grade beams.

Sonotube Concrete Calculator

Guide

Estimate concrete for sonotubes, round piers, deck posts, fence posts, and post holes.

Concrete Wall Calculator

Guide

Estimate concrete for foundation walls, retaining walls, stem walls, and poured wall sections.

Gravel Calculator

Live

Estimate gravel volume and material needs for driveways, patios, and base layers.

Gravel Driveway Calculator

Guide

Estimate gravel tons, cubic yards, depth, waste, and material cost for driveway projects.

Gravel Driveway Cost

Guide

Estimate gravel driveway cost using driveway size, gravel depth, tons, price per ton, delivery, and project factors.

Gravel Cost Calculator

Guide

Estimate gravel project cost using area, depth, cubic yards, tons, waste, price per ton, and delivery factors.

How Much Gravel Do I Need?

Guide

Learn how to estimate gravel volume, cubic yards, tons, depth, waste, and material cost.

Gravel Cost Per Ton

Guide

Learn how gravel price per ton works and estimate total material cost for gravel projects.

Pea Gravel Calculator

Live

Estimate pea gravel cubic yards, tons, cost, delivery, and coverage for landscaping, patios, walkways, playground areas, and drainage projects.

River Rock Calculator

Live

Estimate river rock cubic yards, tons, cost, delivery, and coverage for landscaping beds, dry creek beds, drainage areas, borders, and decorative ground cover.

Decomposed Granite Calculator

Live

Estimate decomposed granite cubic yards, tons, cost, delivery, stabilizer add-ons, and coverage for patios, walkways, dog runs, garden paths, and compacted landscape surfaces.

Crushed Stone vs Gravel

Guide

Compare crushed stone and gravel for driveways, drainage, landscaping, patios, and base layers.

Crushed Stone Calculator

Guide

Estimate crushed stone cubic yards, tons, waste, and cost using the upgraded gravel calculator material preset.

Road Base Calculator

Guide

Estimate road base cubic yards, tons, waste, and cost using the upgraded gravel calculator material preset.

Paver Base Calculator

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Estimate compacted paver base gravel, bedding sand, cubic yards, tons, delivery, and cost for patios, walkways, driveways, and hardscape projects.

Base for Concrete Slab Depth

Guide

Learn common gravel, crushed stone, and road base depths for concrete slabs, patios, driveways, shed pads, and garage slabs.

How to Prepare Ground for Concrete Slab

Guide

Learn how to prepare ground for a concrete slab, including excavation, grading, gravel base, compaction, forms, and final checks.

Area Calculator

Live

Calculate square feet, square yards, square meters, acres, waste-adjusted area, and estimated material cost for multiple rooms or project areas.

Concrete calculators and guides

Start with the main concrete calculator for a full estimate across slabs, pads, circular pads, L-shaped slabs, footings, trenches, round piers, sonotubes, walls, stairs, curbs, and columns. Use the specialized concrete pages when you want a focused explanation for a specific project type.

Gravel calculators and guides

Use the gravel calculator to estimate volume, tons, waste, and material cost. Use the driveway guide when planning gravel depth, driveway size, and common residential driveway material needs.