Home & DIY / Fix it right.
Home Improvement
Tile, wallpaper, paint prep, HVAC filter sizing, thermostat savings, square footage, LED bulb conversion, real-estate closing costs — the recurring r/HomeImprovement and r/DIY pain points.
8 tools available
Furnace Filter Size Finder
Find the right filter dimensions and MERV rating for any furnace or return grille.
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LED Bulb Wattage Replacement
Find the LED bulb equivalent for any incandescent or halogen wattage.
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Square Footage Calculator
Compute the square footage of any room or floor plan from length and width.
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Tile & Flooring Calculator
Estimate how many tiles or boxes you need for any floor or wall.
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Wallpaper Rolls Calculator
Estimate the number of wallpaper rolls needed for any wall or room.
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Smart Thermostat Savings Estimator
See how much a programmable or smart thermostat could save on your energy bill.
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Real-Estate Closing Cost Estimator
Estimate buyer closing costs (lender + title + prepaid) for any U.S. home purchase.
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Rent vs Buy Calculator
See whether buying or renting wins over your time horizon in your market.
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