Plan a project or size up a property without guessing. Work out how much paint, tile, flooring, concrete or mulch you need, size a room heater or air conditioner in BTUs, and run real estate numbers like price per square foot, rent affordability and cap rate. Free, instant, and private in your browser. All 24 tools below are free, run in your browser, and need no sign-up.
Free paint calculator. Enter wall length, height, doors and windows to estimate gallons of paint needed per coat for any room.
Free flooring calculator. Enter room length and width plus a waste factor to find total square footage and boxes of flooring to buy.
Free tile calculator. Enter area size and tile dimensions to find how many tiles and boxes you need including a waste allowance.
Free wallpaper calculator. Enter wall length, height and roll size to estimate how many rolls of wallpaper you need for a room.
Free mulch calculator. Enter bed length, width and depth to find cubic yards of mulch and how many bags you need for landscaping.
Free concrete slab calculator. Enter slab length, width and thickness to find cubic yards of concrete and 80 lb bags needed.
Free gravel calculator. Enter area length, width and depth to find cubic yards and tons of gravel for a driveway or path.
Free topsoil calculator. Enter area length, width and depth to find cubic yards and bags of topsoil for a garden or lawn.
Free grass seed calculator. Enter lawn size and seeding rate to find how many pounds of grass seed you need for a new or overseeded lawn.
Free lawn fertilizer calculator. Enter lawn size, target nitrogen rate and the bag N number to find pounds of fertilizer to apply.
Free room BTU calculator. Enter room size, ceiling height and sun exposure to estimate the BTU rating you need for heating or cooling.
Free price per square foot calculator. Enter a home price and its size to find the cost per square foot and compare listings fairly.
Free rent affordability calculator. Enter your income and debts to find the monthly rent you can comfortably afford using the 30 percent rule.
Free home affordability calculator. Enter income, debts, down payment and rate to estimate the home price you can afford to buy.
Free property tax calculator. Enter home value and the tax rate or mill rate to estimate your annual and monthly property tax bill.
Free closing cost estimator. Enter the home price and a closing cost percentage to estimate what a buyer pays at closing plus cash needed.
Free cap rate calculator for real estate. Enter net operating income and property price to find the capitalization rate on an investment.
Free rental yield calculator. Enter monthly rent, property price and costs to find gross and net rental yield on an investment property.
Free deck board calculator. Enter deck size and board dimensions to estimate how many deck boards and linear feet you need to build a deck.
Free drywall calculator. Enter wall and ceiling area plus sheet size to estimate how many sheets of drywall you need for a room.
Free roof pitch calculator. Enter rise and run to find roof slope, angle in degrees and the rafter length multiplier for a roof.
Free stair calculator. Enter total rise and run to find the number of steps, riser height and tread depth for a code friendly staircase.
Free room area calculator. Enter length and width to find square footage, and add multiple rooms to get a running total for a whole project.
Free plant spacing calculator. Enter bed size and plant spacing to find how many plants you need to fill a garden bed or ground cover area.
Yes. Every tool in this toolkit is completely free, with no sign-up and no usage limits.
Yes. They run in any modern web browser on phone, tablet or desktop, with nothing to install.
Yes. These tools run entirely in your browser, so nothing you enter is uploaded to a server.