Material and cost calculators for real home projects.

• Paint Calculator
  Gallons and cost for walls, ceilings, and openings.
• Roofing Calculator
  Pitch-adjusted area, bundles, waste, and shingle cost.
• Concrete Calculator
  Volume, bags, and cost for slabs, footings, and columns.
• Flooring Calculator
  Area, boxes, waste, and material cost for floors and tile.
• Mulch & Gravel Calculator
  Volume, bags, and cost for mulch, gravel, and similar materials.
• Fuel Cost Calculator
  Trip fuel, tolls, and cost per mile or per person.
• Deck Materials Calculator
  Boards, joists, posts, railing, stairs, and total cost for wood or composite decks.
• Drywall Calculator
  Sheets, joint compound, tape, screws, and cost for walls and ceilings with waste.
• Fence Calculator
  Posts, panels or pickets, gates, rails, concrete, and total cost from linear feet.
• Stair Stringer Calculator
  Risers, treads, stringer length, cut list, and material for wood stairs and decks.
• Insulation Calculator
  Bags, rolls or sheets for batt, blown, or rigid insulation at target R-value.
• Cabinet & Countertop Calculator
  Area or linear feet, material type, sink cutouts, waste, and countertop cost.
• Siding Calculator
  Wall area, panels/planks, waste, and trim (corners, J-channel, starter) with cost.
• Board Feet & Lumber Cost
  Convert length × width × thickness to board feet and estimate total cost including waste for lumber projects.
• Wallpaper Calculator
  Estimate rolls of wallpaper needed for a room with pattern repeat and waste.
• Electricity Cost Estimator
  Calculate kWh and monthly cost from wattage, hours used, and your rate. Multiple appliances.
• Lawn Fertilizer Calculator
  Calculate bags needed for area and N-P-K rate.
• Garden Planting Spacing
  Calculate plants per row and total for a bed given spacing.
• Window Replacement ROI
  Estimate energy savings vs cost of new windows.
• Solar Payback Calculator
  Estimate years to payback for solar install given production and incentives.
• HVAC Sizing Estimator
  Rough BTU or ton estimate from square footage and climate.
• Gutter & Downspout Capacity
  See if your gutters can handle rainfall for roof area.
• Septic Tank Pump Schedule
  Recommend pumping frequency based on tank size and household.
• Well Water Usage Estimator
  Daily/annual water use estimate for household + irrigation.
• Pool Chemical Doser
  Calculate chlorine or other chemical amounts for pool volume.
• Furniture Layout Planner
  Simple room grid planner: place rectangles and see if they fit.
• Closet Capacity Planner
  Estimate hanging space, shelves, and drawers you can fit.

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