Patio & Deck Calculators

Planning to build or upgrade an outdoor living space? Our free patio and deck calculators help you estimate total installation costs, lumber requirements, paving materials, and structural dimensions. Choose a tool below to get started on your backyard project.

Brick Calculator

Free brick calculator — estimate the number of bricks and mortar bags needed for brick walls, patios, pavements, or garden paths.

Deck Cost Calculator

Free deck cost calculator — estimate decking materials, labor costs, and total installation budget based on size and wood or composite material options.

Deck Joist Span & Spacing Calculator

Free deck joist calculator. Estimate joist counts, joist spacings (12, 16, or 24 inches on-center), joist hangers, and verify IRC-compliant maximum allowable spans.

Deck Pier & Concrete Footing Calculator

Free deck pier & footing calculator — calculate required concrete bags (60lb/80lb), volume in yards, and gravel subbase for deck cylindrical post piers.

Driveway Cost & Materials Calculator

Free driveway cost calculator — estimate materials, gravel bases, and total project budgets for asphalt, concrete, gravel, and paver driveways.

Fire Pit Calculator

Free fire pit calculator — calculate blocks, gravel, sand, and materials cost for your DIY fire pit project. Works for circular and square designs.

Gazebo Cost Calculator

Free gazebo cost calculator — estimate footprint area, octagon or square style materials, labor, and total construction budget.

Landscape Lighting Voltage Drop Calculator

Free landscape lighting voltage drop calculator — calculate voltage losses on low-voltage garden lighting wires based on load wattage, distance, and gauge.

Outdoor Fireplace Cost & Materials Calculator

Free outdoor fireplace calculator. Estimate cinder blocks, firebrick linings, concrete footings, stone veneer area, and costs.

Outdoor Kitchen Cost Calculator

Free outdoor kitchen calculator — estimate countertop area, base masonry veneer surface, built-in BBQ appliances, labor, and total island construction budget.

Patio Cost Calculator

Free patio cost calculator — estimate material, labor, and total costs for concrete, pavers, natural stone, brick, and wood patio projects. Plan your budget now.

Patio Slope & Grading Calculator

Free patio slope & grading calculator — calculate elevation fall, slope grade percentages, run distances, and excavation soil cut or fill volumes.

Paver Base & Sand Calculator

Free paver base & sand calculator — calculate tons of gravel subbase, bedding sand, and polymeric jointing sand bags required for your paver patio.

Pavers Calculator

Free pavers calculator — estimate how many paving stones, bricks, or tiles you need for your patio, walkway, or driveway project.

Pergola Cost Calculator

Free pergola cost calculator — estimate lumber materials, rafters, slats, post count, and total DIY or professional construction budget.

Pergola Shade & Slat Calculator

Free pergola shade & slat calculator — calculate the percentage of shade cast by rafters/slats at different sun angles and estimate timber counts.

Sand Calculator

Free sand calculator — estimate the volume of sand in cubic yards, weight in tons, and the number of 50-lb bags needed for paver bedding, sandboxes, or pools.

Shed Cost Calculator

Free shed cost calculator — estimate footprint area, framing studs, siding panels, roof rafters, and total construction cost.

Square Footage Calculator

Free square footage calculator — calculate area in square feet, square yards, or square meters for any shape. Perfect for patios, rooms, and gardens.

Stepping Stone & Pathway Calculator

Free stepping stone & pathway calculator — calculate stepping stone counts, sand bedding layer weights, stride spacing offsets, and material budgets.

Patio Garden Hardscaping Structures