Calculator library

Choose a calculator and enter the measurements.

Browse live calculators for paint, tile, flooring, square footage, concrete, gravel, drywall, fencing, siding, and deck materials. Estimate quantities, whole packs, waste, and cost.

30 live tools · no account required · results update as you type

30 of 30 calculators

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Landscape Materials

Gravel Calculator

Calculate cubic yards, US tons, metric tonnes and whole bags for one or several rectangular or circular gravel areas. See what to order when a yard has minimum loads, half-yard increments or delivery charges; use real supplier product details.

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Interior Materials

Drywall Calculator

Estimate how many drywall sheets a room needs, or measure multiple walls and ceiling planes individually. Compare 4×8, 4×10 and 4×12 sheet orders with actual supplier prices, optional screw/tape/compound package sizes, and transparent opening and waste assumptions.

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Exterior Projects

Fence Calculator

Estimate fence posts, sections, rails, pickets and panels. A straight ungated fence shows equal spacing; for gates, optionally enter each measured run to calculate separate bay counts rather than relying on conservative totals.

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Exterior Projects

Siding Calculator

Estimate siding for measured house walls, windows and gables; then turn square footage into actual supplier quantities. Use product-listed coverage or lap-plank length and installed exposed reveal, compare individual pieces with cartons and measure accessories separately.

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Deck Planning

Deck Board Calculator

Calculate deck board quantities and see the exact last-board fit before you buy. Compare fixed gaps, matching edge rips and full-width board layouts using your decking product’s allowed gap limits.

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Exterior Projects

Gable Siding Calculator

Measure the triangular siding wall below a gable roof, including symmetrical, off-center ridge and single-slope shed ends. Derive vertical rise from roof pitch where supported, calculate each sloping rake edge for trim stock, deduct gable openings and obtain real supplier package quantities and optional material-only quotes.

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Exterior Projects

Siding Square Calculator

Decode a contractor or supplier quote in siding trade squares (100 square feet each), or use known wall area. Convert to net square footage, optional waste, unopened product-specific cartons and leftover coverage; compare user-entered material rates per trade square versus full box without inventing market prices.

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Exterior Projects

Fence Panel Calculator

Estimate whole fence panels for separate clear runs, or use a quick pooled length estimate with gate deductions.

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Interior Materials

Drywall Ceiling Calculator

Estimate ceiling-only drywall sheets after cutouts and waste. Compare 4 × 8, 4 × 10, 4 × 12 or custom sheets, with a separate approximate screw quantity.

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Exterior Projects

Vinyl Siding Calculator

Convert a measured single wall or previously measured gross siding area into vinyl panel and carton quantities. Cross-check actual panel reveal against printed box coverage, see where a full-course order differs from ideal square footage and enter real supplier prices instead of guessed costs.

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Erosion Control Materials

Rip Rap Calculator

Estimate riprap rock for a measured bank or flat bed. Calculate the real slope-face width from horizontal run and rise, then use the designed layer thickness and supplier bulk density.

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Drainage Materials

French Drain Calculator

Turn an already planned gravel-filled French drain into a transparent material takeoff. Subtract the pipe’s outside volume from the stone envelope and calculate pipe stock and fabric wrap separately.

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Exterior Wall Materials

Stucco Calculator

Calculate base-coat and finish-coat purchases separately. Deduct measured openings, use coverage for the specified coat thickness, and round each product only after combining its required quantities.

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Area

Square Footage Calculator

Measure rooms, floors, walls, and multi-area projects.

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Volume

Concrete Calculator

Plan slabs, footings, columns, and post holes.

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Coverage

Paint Calculator

Plan room walls, ceilings, known surfaces, and local paint purchases.

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Materials

Tile Calculator

Estimate tile size, box quantity, pattern allowance, and purchase cost.

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Materials

Flooring Calculator

Plan flooring cartons, product coverage, underlayment rolls, and budget.

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Drywall

Drywall Mud Calculator

Plan drywall mud purchases with editable product coverage and container size.

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Drywall

Drywall Tape Calculator

Plan joint tape rolls, waste, and local purchase cost.

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Landscape Materials

Landscape Fabric Calculator

Plan fabric strip layout and perimeter or seam fasteners for beds and paths.

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Interior Trim

Door Casing Calculator

Plan mitered or craftsman door trim before purchasing and cutting stock.

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Interior Trim

Crown Molding Calculator

Plan room crown molding quantities before ordering stock and laying out cuts.

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Exterior Materials

Stone Veneer Calculator

Plan manufactured or thin-stone veneer quantities with editable product coverage.

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Tile Materials

Tile Grout Calculator

Plan grout and setting-material purchases for floor, wall, backsplash, and shower tile.

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Floor Preparation

Self-Leveling Concrete Calculator

Plan floor-leveling compound and primer before tile or flooring installation.

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Floor Preparation

Deck Mud Calculator

Plan shower pans and mortar beds with editable product yield and average thickness.

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Masonry Materials

Concrete Block Calculator

Plan real block dimensions and supplier quantities for a wall face, without assuming one product yield.

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Masonry Materials

Brick Calculator

Estimate bricks and optional product-specific mortar for a measured single wall face.

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Landscape Materials

Paver Base Calculator

Turn a patio footprint into separate ready-to-order base gravel and bedding sand quantities.

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Related tools and published guides

Decking Planning

Estimate deck board rows, stock boards, board spacing, linear footage, waste, and fastener planning assumptions.

2 published guides linked