🏡 Home & DIY Calculators

Sixteen calculators for common home improvement projects — figure out exactly how much material to buy before you head to the store. Every one runs entirely in your browser.

🎨 Paint Coverage Calculator

How many gallons of paint you need for a room.

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🧱 Tile & Flooring Calculator

How many tiles or boxes of flooring to buy.

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🧱 Concrete Calculator

Cubic yards and bags of concrete for a slab or footing.

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🧻 Wallpaper Calculator

How many rolls of wallpaper a room needs.

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🌱 Mulch & Soil Calculator

Cubic yards of mulch, topsoil or compost for a garden bed.

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🚧 Fence Calculator

Posts, rails and panels needed for a fence run.

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🌾 Grass Seed & Fertilizer Calculator

Bags of seed or fertilizer needed for your lawn area.

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🔌 Wire Gauge Calculator

Recommended AWG wire gauge by amperage, distance and voltage.

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🧱 Drywall Sheet Calculator

How many sheets of drywall you need for a room.

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🏠 Roofing Shingle Calculator

Roof squares and bundles of shingles needed from footprint and pitch.

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🪵 Deck Board Calculator

How many decking boards to buy for your deck.

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🧱 Patio Paver Calculator

How many pavers you need for a patio or walkway.

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🚧 Gravel Driveway Calculator

Cubic yards and tons of gravel needed for a driveway or path.

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📏 Baseboard & Trim Calculator

Linear feet and boards of trim needed for a room.

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🪜 Stair Stringer Calculator

Step count, riser height and stringer length for a staircase.

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🧊 Insulation R-Value Calculator

Thickness needed to hit a target R-value for your insulation type.

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