Backsplash Tile Calculator
Calculate backsplash tile quantity. Kitchen and bathroom — with outlet cutouts, edge trim, and waste factor. Free backsplash calculator.
Baseboard Calculator
Calculate baseboard molding quantity. Linear feet minus doorways with inside/outside corners. Free baseboard calculator.
Bathroom Remodel Cost Calculator
Calculate bathroom remodel cost. Cosmetic to full renovation — vanity, tile, fixtures, and labor. Free bathroom renovation estimator.
Board Foot Calculator
Calculate board feet from lumber dimensions. Convert thickness, width, and length to board footage. Free board foot calculator for woodworkers.
Carpet Calculator
Calculate carpet quantity in square yards with padding. Room dimensions, seam placement, and cost by carpet grade. Free carpet calculator.
Ceiling Fan Size Calculator
Calculate the correct ceiling fan size by room dimensions. Fan diameter, CFM, mounting height, and downrod length. Free ceiling fan sizing calculator.
Concrete Bag Calculator
Calculate concrete bags needed — 60-lb or 80-lb. For fence posts, deck posts, small slabs, and repairs. Free concrete bag calculator.
Concrete Calculator
Calculate concrete volume in cubic yards and bags needed. Slabs, footings, columns. Free concrete calculator.
Crown Molding Calculator
Calculate crown molding linear feet, inside corners, outside corners, and joint pieces. Free crown molding quantity calculator.
Cubic Yard Calculator
Calculate cubic yards from dimensions. Convert feet and inches to cubic yards for concrete, mulch, gravel, and soil. Free volume calculator.
Deck & Fence Stain Calculator
Calculate deck and fence stain quantity. Gallons needed by wood type, surface area, and porosity. Free stain coverage calculator.
Drywall Calculator
Calculate drywall sheets, joint compound, tape, and screws for walls and ceilings. Complete materials list by room dimensions. Free drywall calculator.
Epoxy Floor Coating Calculator
Calculate epoxy floor coating quantity for garage and workshop floors. Coverage, primer, base coat, and topcoat. Free epoxy calculator.
Exterior Paint Calculator
Calculate exterior house paint quantity. Gallons needed by house size, siding type, windows, doors, and coats. Free exterior paint calculator.
Garden Spacing Calculator
Calculate how many plants fit in your garden bed. Plant spacing by type — vegetables, flowers, herbs, and shrubs. Free garden planner.
Generator Size Calculator
Calculate generator wattage for backup power. Essential circuits, whole house, or portable — by appliance load. Free generator sizing calculator.
Grass Seed Calculator
Calculate grass seed quantity for new lawns and overseeding. Pounds needed by grass type and lawn area. Free seed calculator.
Gravel Calculator
Calculate gravel quantity in tons and cubic yards. Driveways, walkways, drainage — by area, depth, and gravel type. Free gravel calculator.
Gutter Calculator
Calculate gutter length, downspouts, end caps, and corners for your roof. With cost estimate by material. Free gutter calculator.
Hardwood Flooring Calculator
Calculate hardwood flooring quantity — boards, boxes, and cost by room size. Solid and engineered hardwood with waste factor. Free flooring calculator.
Insulation Calculator
Calculate insulation quantity — batts, rolls, or blown-in. By R-value, wall/attic area, and framing spacing. Free insulation calculator.
Kitchen Remodel Cost Calculator
Calculate kitchen remodel cost by scope and finish level. Cabinets, countertops, flooring, appliances, and labor. Free kitchen renovation estimator.
Laminate Flooring Calculator
Calculate laminate flooring quantity — planks, boxes, underlayment, and cost. Free laminate flooring calculator with waste factor.
Lawn Fertilizer Calculator
Calculate lawn fertilizer quantity by lawn area, product type, and season. Avoid over-application and lawn burn. Free fertilizer calculator.
Lumber Cost Calculator
Calculate total lumber cost for your project. By board size, quantity, and current prices. Dimensional lumber, plywood, and hardwood.
Mulch Calculator
Calculate mulch needed in cubic yards and bags. Garden bed coverage calculator. Free mulch calculator.
Paver Calculator
Calculate paver quantity for patios and walkways. Includes sand, gravel base, and polymeric sand. Free paver calculator.
Plywood Sheet Calculator
Calculate plywood sheets needed for any project. 4×8 sheet count by area with waste factor. Subflooring, wall sheathing, and woodworking.
Pool Volume Calculator
Calculate pool volume in gallons. Rectangular, round, and oval shapes. Free pool water volume calculator.
Raised Garden Bed Calculator
Calculate materials for a raised garden bed — lumber, screws, hardware cloth, and soil volume. Free raised bed building calculator.
Retaining Wall Block Calculator
Calculate retaining wall block quantity, base gravel, drainage fabric, and cap stones. By wall length and height. Free retaining wall calculator.
Roof Pitch Calculator
Calculate roof pitch from rise and run. Convert to degrees and percentage. Find the area multiplier for material estimates.
Roofing Shingle Calculator
Calculate roofing shingles — squares, bundles, underlayment, and ridge cap. By roof area and pitch. Free roofing calculator.
Sand Calculator
Calculate sand quantity in tons and cubic yards. For paver base, sandbox, leveling, and construction. Free sand calculator.
Shed Cost Calculator
Calculate shed cost by size and material. DIY, kit, and pre-built comparison. Free shed cost calculator.
Sod Calculator
Calculate sod quantity for your lawn — square feet, rolls, or pallets. With cost estimate by grass type and installation tips. Free sod calculator.
Square Footage Calculator
Calculate square footage of any space — rectangle, triangle, circle, trapezoid, and L-shaped rooms. Free area calculator.
Stamped Concrete Cost Calculator
Calculate stamped concrete cost per square foot. Patterns, colors, and sealer — for patios, driveways, and pool decks. Free stamped concrete estimator.
Tile Calculator
Calculate tiles needed for any project. Floor, wall, backsplash — with grout spacing, cuts, and waste factor. Includes mortar and grout estimates.
Topsoil Calculator
Calculate topsoil quantity in cubic yards and tons. For garden beds, raised beds, lawn leveling, and new lawns. Free topsoil calculator.
Vinyl Flooring Calculator (LVP/LVT)
Calculate LVP and LVT vinyl flooring quantity. Planks, boxes, underlayment, and cost by room size. Free vinyl flooring calculator.
Wallpaper Calculator
Calculate wallpaper rolls needed for any room. Accounts for pattern repeat, doors, windows, and waste. Free wallpaper quantity calculator.
Water Heater Size Calculator
Calculate the right water heater tank size for your home. By household members, bathrooms, and usage patterns. Free water heater sizing calculator.
Wire Size Calculator
Calculate correct electrical wire gauge (AWG) by amps, distance, and voltage. NEC compliant. Free calculator.
Get Materials Right the First Time
The most expensive mistake in any DIY project isn't buying the wrong material — it's buying the wrong amount. Running short means a second trip to the store (and hoping the same batch is available). Buying too much means wasting money and storing leftover material. These calculators give you the exact quantities you need, including appropriate waste factors for each material type.
From Planning to Purchasing
Each calculator shows results in the units you'll actually buy — cubic yards for concrete, bags for mulch, boxes for flooring, gallons for paint. Many also include cost estimates so you can budget the entire project before making your first purchase. Pair these with our cost calculators (deck cost, fence cost, shed cost) for complete project planning.
Frequently Asked Questions
How accurate are these material calculators?▾
Very accurate when you enter correct measurements. All calculators include standard waste factors (typically 10-15% extra) to account for cuts, breakage, and irregular surfaces. For odd-shaped areas, break them into rectangles and calculate each separately.
Should I buy a little extra material?▾
Yes — our calculators already include a waste factor, but having 5-10% additional material on hand is wise. Paint colors can vary between batches, tile dye lots differ, and wood grain patterns vary. Returning unused materials is usually easy at major retailers (keep your receipt).