Home Project Calculators
Free tools that answer the question you're asking right now. Punch in your measurements, get an accurate estimate. No sign-ups, no fluff.
Concrete Calculator
Calculate how much concrete you need for a slab, sidewalk, or patio. Enter your dimensions to get cubic yards, cubic feet, and the number of bags needed.
Deck Calculator
Calculate how many deck boards, joists, posts, and screws you need for your deck project. Enter your deck dimensions to get a complete materials list.
Drywall Calculator
Calculate how many sheets of drywall (sheetrock) you need for a room. Enter your room dimensions to get an accurate materials list including joint compound and tape.
Fence Calculator
Calculate how many posts, rails, and pickets you need for your fence project. Enter your fence length and style to get a complete materials list.
Gravel Calculator
Calculate how many cubic yards, tons, or bags of gravel you need for your driveway, patio, or landscaping project. Enter your dimensions and material type for an accurate estimate.
Insulation Calculator
Calculate how much batt insulation you need for walls, attics, or floors. Enter your area dimensions to get the number of bags for R-13 and R-19 insulation.
Mulch Calculator
Calculate how many cubic yards or bags of mulch you need for your garden beds. Enter your area dimensions and desired depth to get an accurate estimate.
Paint Calculator
Calculate exactly how many gallons of paint you need for your room. Enter your room dimensions and get an accurate estimate in seconds.
Tile Calculator
Calculate exactly how many tiles you need for your floor, wall, or backsplash. Enter your room and tile dimensions to get an accurate count including waste.
Wallpaper Calculator
Calculate how many rolls of wallpaper you need for your room. Accounts for doors, windows, and pattern repeat to give you an accurate estimate.
Project Guides
In-depth guides with real numbers, worked examples, and practical tips for your next project.
Mulch Guide
How much mulch you need, which type to buy, bags vs. bulk, and common mistakes to avoid.
Gravel Guide
Complete buying guide: gravel types, depth recommendations, driveway planning, and cost estimates.
Fence Guide
How to calculate posts, rails, and pickets. Includes post spacing, material types, and cost estimates.
Paint Guide
Room-by-room paint estimates, coverage rates, coat recommendations, and buying tips.
Tile Guide
How to calculate tiles for floors, walls, and backsplashes. Covers waste factors, tile sizes, and ordering tips.
Wallpaper Guide
How to measure your room and calculate wallpaper rolls. Covers pattern repeats, roll sizes, and ordering tips.
More calculators and guides added regularly. Each one is built for accuracy and speed.