All Home Improvement & Garden Calculators
Browse every HomeQuantly calculator by category, or search for the project you are planning.
All calculators are free, work on phones and computers, and support both imperial and metric units. Cost tools list their sources and the date their prices were last reviewed.
🧱 Walls & Interior
Open the Walls & Interior hub →
🟫 Flooring & Tile
Open the Flooring & Tile hub →
Grout CalculatorPounds and bags of grout by tile size and joint width.Carpet CalculatorSquare yards, roll length, padding and installed cost.
🏠 Roofing & Gutters
Open the Roofing & Gutters hub →
Gutter Installation Cost CalculatorGutters, downspouts, guards and removal by material.Metal Roof Cost CalculatorInstalled cost by roof area, pitch and metal type.
🪟 Siding, Windows & Doors
Open the Siding, Windows & Doors hub →
❄️ HVAC & Water Heating
Open the HVAC & Water Heating hub →
Furnace and AC Replacement Cost CalculatorFurnace, central AC or heat pump installed cost by size.AC Tonnage CalculatorAir conditioner size in BTU and tons for a room or house.