Professional Contractor Calculators
for Every Project
Accurate material quantities and cost estimates for concrete, roofing, flooring, remodeling, and more. Built for DIYers and professionals.
All Free Calculators
Choose from 20 professional-grade calculators to estimate materials, costs, and project requirements for any home improvement project.
Concrete Calculator
Calculate cubic yards of concrete needed for slabs, footings, columns, walls, and stairs. Includes bags estimation and cost.
Use Calculator →Mulch Calculator
Calculate cubic yards or bags of mulch for garden beds, landscaping, and playgrounds. Compare bulk vs bagged costs.
Use Calculator → PopularRoofing Calculator
Estimate shingle bundles, squares, underlayment, and all roofing materials. Includes complete material list.
Use Calculator →Paint Calculator
Calculate gallons of paint needed for rooms, including walls, ceilings, and trim. Includes primer and supplies list.
Use Calculator → PopularKitchen Remodel Cost
Estimate total kitchen renovation costs including cabinets, countertops, appliances, flooring, and labor.
Use Calculator →BTU Calculator
Calculate heating and cooling BTU requirements for rooms and homes. Determine proper HVAC sizing.
Use Calculator →Flooring Calculator
Calculate square footage and materials for hardwood, laminate, vinyl, and tile flooring installations.
Use Calculator →Bathroom Remodel Cost
Estimate bathroom renovation costs for vanity, toilet, shower, tub, tile, and labor by project scope.
Use Calculator →Paver Calculator
Calculate pavers needed for patios, walkways, and driveways. Includes base materials and sand.
Use Calculator →Fence Calculator
Estimate posts, boards, rails, and hardware for wood, vinyl, and chain link fence installations.
Use Calculator →AC Size Calculator
Determine the right air conditioner tonnage for your home based on square footage and factors.
Use Calculator →Generator Size Calculator
Calculate generator wattage needed to power essential appliances and circuits during outages.
Use Calculator →Pool Cost Calculator
Estimate inground and above ground pool installation costs, including add-ons and ongoing expenses.
Use Calculator →Drywall Calculator
Calculate drywall sheets, joint compound, tape, screws, and corner bead for walls and ceilings.
Use Calculator →Tile Calculator
Calculate tiles, mortar, grout, and spacers for floors, walls, backsplashes, and showers.
Use Calculator →Topsoil Calculator
Calculate cubic yards of topsoil for lawn leveling, garden beds, and raised bed projects.
Use Calculator →Wire Size Calculator
Determine proper AWG wire gauge for electrical circuits based on amperage and distance.
Use Calculator →Deck Cost Calculator
Estimate deck building costs for wood, composite, and PVC decking including materials and labor.
Use Calculator →Window Replacement Cost
Calculate window replacement costs by type, frame material, and glass options with energy savings.
Use Calculator →Home Addition Cost
Estimate room addition costs per square foot including foundation, framing, and finishing.
Use Calculator →Why Use contractorcalctools?
Professional-grade tools built for accuracy, ease of use, and real-world applications.
100% Accurate
Industry-standard formulas verified by professional contractors and builders for reliable estimates.
Cost Estimates
Get material and labor cost ranges based on current market prices and regional variations.
Material Lists
Complete shopping lists with quantities for every material you'll need for your project.
Mobile Friendly
Use on any device—phone, tablet, or desktop. Perfect for on-site calculations.
No Signup
Completely free with no registration, no email required, and no hidden paywalls.
Print & Save
Print your estimates, download as PDF, or save for future reference.
How It Works
Get accurate estimates in three simple steps.
Choose a Calculator
Select from 20 specialized calculators for your specific project type—concrete, roofing, flooring, and more.
Enter Dimensions
Input your project measurements, select materials, and choose any options for customized results.
Get Your Estimate
Instantly receive material quantities, complete shopping lists, and cost estimates for your project.
Print or Save
Print your estimate, download as PDF, or share it with your contractor for professional quotes.
Frequently Asked Questions
Common questions about our calculators and estimates.
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