Home & Garden

15 calculators

Coffee Brew Ratio Calculator

Coffee grounds (g) and ratio 1:N to total brew water in ml.

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Concrete Slab Volume Calculator

Length × width (ft) × depth (inches) to cubic yards for a rectangular slab.

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Tile Quantity Calculator

Room floor area, square tile size, and waste % → approximate tile count.

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Lawn Fertilizer Bags Calculator

Lawn area and coverage per bag → number of bags (rounded up).

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Fence Posts

Run length and spacing—post count with a post at each end.

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Stair Riser Count

Total rise and target riser height—step count and equalized riser.

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Mulch Bags

Bed area, depth in inches, bag size in ft³—bags to buy.

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Wallpaper Rolls

Wall run, height, roll width and length—rolls needed.

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Pizza Area Comparison

Two diameters in inches—each area and size ratio.

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Sod Pieces

Lawn area and ft² per roll—how many sod pieces to order.

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Drywall Sheets

Area, sheet size (e.g. 32 ft²), waste %—sheets to buy.

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Concrete Bags

ft³ needed and ft³ per bag—bags to buy (rounded up).

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Curtain Fabric m²

Width, drop, fullness, panels—simple fabric area.

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Aquarium Water Change

Tank liters and change percent—liters to replace.

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Garden Plant Grid

Bed size and spacing—plant count on a grid.

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