All Calculators
Browse our complete collection of free home improvement calculators. Each tool includes detailed explanations, worked examples, and FAQs to help you plan your project with confidence.
Measurement Calculators
3 calculators
Calculate square footage, area, and dimensions for any home project.
Square Footage Calculator
Free square footage calculator. Calculate the area of any space in square feet, square yards, and square meters. Works for rectangles, circles, and triangles.
Use CalculatorWaste Factor Calculator
Free waste factor calculator: enter your measured quantity and waste percentage to see how much material to order, with recommended waste factors by material.
Use CalculatorBoard Foot Calculator
Free board foot calculator. Calculate lumber volume for woodworking projects. Get total board feet, cubic feet, and cost estimates instantly.
Use CalculatorRoofing Calculators
8 calculators
Estimate roofing materials, shingles, and replacement costs.
Roofing Calculator
Free roofing calculator to estimate shingles, bundles, and materials needed. Accounts for roof pitch and waste factor for accurate quantities.
Use CalculatorRoof Replacement Cost Calculator
Free roof replacement cost calculator. Estimate materials, labor, tear-off, and total costs. Compare roofing materials and plan your budget.
Use CalculatorAsphalt Shingle Calculator
Free asphalt shingle calculator. Estimate bundles, underlayment rolls, ridge cap, starter strip, drip edge, and nails for 3-tab, architectural, or premium shingles.
Use CalculatorMetal Roof Calculator
Free metal roof calculator. Estimate panels, screws or clips, ridge cap, underlayment, drip edge, and closures for exposed-fastener and standing-seam roofs.
Use CalculatorTile Roof Calculator
Free tile roof calculator. Estimate tile count, hip and ridge tiles, underlayment, battens, fasteners, and deck load for clay and concrete tile roofs.
Use CalculatorRoof Sheathing Calculator
Free roof sheathing calculator. Estimate plywood or OSB sheets, H-clips, nails, and total deck weight for tear-off and re-deck projects.
Use CalculatorRoof Underlayment Calculator
Free roof underlayment calculator. Estimate rolls of 15 lb felt, 30 lb felt, synthetic, or peel-and-stick underlayment with overlap, layers, and ice & water shield.
Use CalculatorRoof Pitch Calculator
Free roof pitch calculator. Convert rise over run into pitch ratio (X/12), angle in degrees, slope percentage, slope multiplier, and IRC pitch category.
Use CalculatorConcrete & Asphalt Calculators
3 calculators
Calculate concrete volume, bags needed, and paving costs.
Concrete Slab Cost Calculator
Free concrete slab cost calculator. Estimate cost per square foot, cubic yards, material, labor, and total for patios, driveways, pads, and foundations.
Use CalculatorConcrete Bag Calculator
Free concrete bag calculator. Find how many 40lb, 60lb, or 80lb bags you need for post holes, footings, and small slabs with cost estimates.
Use CalculatorAsphalt Calculator
Free asphalt calculator to estimate tonnage and costs for driveways and parking lots. Calculate hot mix asphalt needed based on area and thickness.
Use CalculatorLandscaping Calculators
2 calculators
Calculate mulch, topsoil, gravel, and landscaping material needs.
Mulch Calculator
Free mulch calculator to estimate cubic yards needed for garden beds and landscaping. Calculate bags or bulk mulch required based on area and depth.
Use CalculatorTopsoil Calculator
Free topsoil calculator to estimate cubic yards and tons for lawns, gardens, and raised beds. Calculate bulk topsoil needed based on area and depth.
Use CalculatorDrywall & Wall Calculators
1 calculator
Calculate drywall sheets, joint compound, and wall material needs.
Paint & Finishes Calculators
1 calculator
Calculate paint coverage, gallons needed, and finishing material requirements.
Flooring Calculators
4 calculators
Calculate flooring materials, tiles, hardwood, and carpet needs.
Flooring Calculator
Free flooring calculator to estimate square footage needed for your project. Account for waste factor and get material cost estimates instantly.
Use CalculatorTile Installation Cost Calculator
Calculate tile installation costs including tiles, thinset, grout, and labor. Get accurate material quantities and total project cost estimates.
Use CalculatorLaminate Flooring Calculator
Calculate laminate flooring boxes, underlayment rolls, and total installation costs. Get accurate material estimates for your flooring project.
Use CalculatorCarpet Installation Cost Calculator
Calculate carpet installation costs including carpet, padding, and labor. Get accurate material estimates and total project costs for any room.
Use CalculatorFencing Calculators
1 calculator
Calculate fence posts, panels, rails, and fencing material needs.
Decking & Patios Calculators
2 calculators
Calculate deck boards, patio pavers, and outdoor living material needs.
Deck Board Calculator
Calculate deck boards needed for your project. Enter deck dimensions, board size, and get accurate board counts with waste factor included.
Use CalculatorDeck Material Estimator
Estimate all deck materials: boards, joists, beams, and posts. Get complete material lists and cost estimates for your deck project.
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