All calculators

Calculate how much asphalt your driveway needs by area and thickness. Get cubic yards, tons, and an estimated installed cost.

Estimate your total concrete cost including delivery and waste. Get a low, expected, and high price range for your ready-mix order.

Calculate concrete for a strip footing. Enter trench length, width, depth and waste to get cubic yards, 80 lb bags, and estimated ready-mix cost.

Calculate concrete for a slab in seconds. Enter length, width, and thickness to get cubic yards, bags needed, and an estimated cost.

Calculate concrete for round tube footings and deck piers. Enter tube diameter, depth and count to get cubic yards, 80 lb bags, and estimated cost.

Calculate rebar for a concrete slab grid. Enter slab size and bar spacing to get total linear feet, bar counts each way, stock bars to buy, and cost.

Calculate how many metal roofing panels you need from your eave and slope lengths, plus panel order length, screw count, roof area, and material cost.

Convert roof pitch between rise/run, degrees, and slope percent. Get the pitch multiplier and turn your roof footprint into true sloped roof area.

Estimate roofing squares, shingle bundles, and cost. Enter roof footprint, pitch, and waste to size your shingle order.

Calculate how much carpet you need by room size. Get square feet, square yards (how carpet is sold), and an estimated material cost with waste.

Calculate floor underlayment for laminate, LVP, or hardwood. Enter area, roll size, and waste to get rolls needed, seam tape footage, and material cost.

Calculate flooring material and cost by room size. Add a waste factor to get the square footage to buy and an estimated price.

Calculate tile grout from joint size. Enter area, tile dimensions, and joint width to get pounds needed, 25 lb bags, coverage per bag, and cost.

Calculate the square footage of any room or area from length and width. Get square feet, square yards, perimeter, and an optional cost estimate.

Calculate thinset mortar by trowel notch. Enter your area and trowel size to get the 50 lb bags needed, coverage per bag, and estimated mortar cost.

Calculate how many tiles you need for a floor or wall. Enter room size, tile size, and waste to get tile count and material cost.

Work out how much deck stain you need. Enter deck size, railing length, wood condition, and coats to get gallons, total surface area, and cost.

Calculate how many gallons of exterior paint your house needs. Enter wall area, openings, siding texture, and coats to get gallons, primer, and cost.

Calculate epoxy for a garage floor. Enter the slab size, mil thickness, coats, and porosity waste to get gallons needed, coverage per gallon, and cost.

Find out how many gallons of paint a room needs. Enter dimensions, openings, and coats to get square footage, gallons, and cost.

Calculate how many rolls of wallpaper you need for a room. Enter dimensions, openings, and roll size to get rolls required and an estimated cost.

Measure a firewood stack and get the exact number of cords. Convert length, height, and log length into cords, face cords, cubic feet, and cost.

Size a French drain in seconds. Enter trench length, width, and depth to get gravel tons and yards, landscape fabric, pipe length, and stone cost.

Calculate how much grass seed you need by lawn area and seeding rate. Get the pounds of seed for a new lawn or overseeding, plus an estimated cost.

Work out how much gravel you need by area and depth. Get cubic yards, tons, bags, and an estimated delivered cost for driveways, paths, and drainage.

Work out how much lawn fertilizer to buy. Enter lawn size, the nitrogen percentage on the bag, and your target rate to get pounds, bags, and cost.

Calculate how much mulch you need by bed area and depth. Get cubic yards, 2 cu ft bags, and an estimated cost.

Calculate how many pavers you need for a patio or walkway. Enter area, paver size, and waste to get paver count and an estimated cost.

Calculate how much sand you need for paver base, play sand, or fill. Enter area and depth to get cubic yards, tons, 50 lb bags, and estimated cost.

Calculate how much sod you need for your lawn. Enter the area and get square footage, pallets or rolls to order, and an estimated cost.

Calculate how much topsoil you need by area and depth. Get cubic yards, cubic feet, and an estimated delivered cost for beds, lawns, and grading.

Calculate deck boards and linear feet from deck size, board width, and gap. Add waste to size your decking order and cost.

Calculate fence posts, panels, and cost from your run length and post spacing. Account for gates and price per foot.

Work out how many bags of concrete you need to set fence posts. Enter post count, hole size, and post size for volume per hole, total bags, and cost.

Calculate stair risers, treads, and stringer length from your total rise. Get an even riser height, total run, and a code-friendly stair layout.

Calculate baseboard and trim by room size. Get the linear feet needed minus door openings, the number of stock pieces, and an estimated cost.

Calculate crown molding for any room. Enter length, width, and waste to get linear feet, how many 8, 12, or 16 ft sticks to buy, and an estimated cost.

Calculate how many sheets of drywall you need by room size and sheet size. Get wall area, sheet count, and an estimated installed cost.

Calculate drywall joint compound, tape, and screws by square footage. Get buckets of mud for a level 3, 4, or 5 finish plus an estimated material cost.

Calculate how much blown-in insulation you need by area and target R-value. Get the required depth, bags needed, and an estimated cost.

Calculate how many bricks you need for a wall by area. Get the brick count including mortar joints and waste, plus an estimated material cost.

Calculate how many concrete blocks a wall needs. Enter length, height, and openings to get block count, mortar bags, wall area, and estimated cost.

Calculate how many 80 lb bags of mortar mix you need for brick or block. Enter unit count, joint width, and waste to get bags, sand, and cost.

Calculate how many blocks you need for a retaining wall by length and height. Get block count, number of courses, and an estimated material cost.

Estimate stucco materials for a wall. Enter length, height, and openings to get base-coat bags, metal lath sheets, net area, and material cost.

Calculate attic ventilation with the 1/300 rule. Enter attic square footage and vent net free area to size the intake and exhaust vents your roof needs.

Calculate the BTU you need to cool a room by size, sun exposure, and occupants. Get the recommended air conditioner capacity in BTU and tons.

Size a furnace in BTU from square footage, climate zone, insulation and AFUE. See the input rating to shop for, output BTU needed and load per square foot.

Calculate board feet for any lumber order. Enter thickness, width, length, and piece count to get total board feet, linear feet, and estimated cost.

Count floor joists from room size and spacing. Get the joist count at 12, 16, 19.2 or 24 inches on center, rim joist footage, and estimated lumber cost.

Calculate how many sheets of plywood or OSB sheathing you need. Enter the area, sheet size, and waste to get sheet count and estimated material cost.

Calculate rafter length from building width and roof pitch. Get run, rise, roof angle, and a cut length that includes overhang and ridge deduction.

Calculate how many studs a wall needs at 16 or 24 inch on center. Get the stud count with corners and openings, plate lumber, and estimated material cost.

Calculate gutter and downspout footage from your roof edge length. Get downspout count, hangers needed, and an installed cost estimate in seconds.

Calculate how much siding you need in squares. Enter wall area, gables, and openings to get net area, boxes to order, and estimated material cost.

Calculate soffit square footage, fascia linear feet, panel count, and installed cost from your eave run, overhang depth, and gable rake length.

Size a standby or portable generator. Add up running watts, add the largest motor starting surge, and get the generator wattage and daily fuel use.

Size a solar array from your power bill. Enter monthly kWh, peak sun hours, and panel wattage to get system kW, panel count, and roof area needed.

Calculate voltage drop on copper or aluminum wire, single or three phase. Get volts lost, percent drop, voltage at the load, and the max run at 3%.

Find the wire gauge a circuit needs. Enter amps, copper or aluminum, run length, and voltage to get an AWG size, its ampacity, and voltage drop.

Calculate pool volume in gallons for rectangular, round and oval pools. Get cubic feet, surface area, average depth and the pump flow for an 8-hour turnover.

Size a water heater from your peak hour hot water use. Get peak demand in gallons, the standard tank size that covers it, and the tankless GPM you need.

Calculate cost per square foot from a total price and area, convert to cost per square yard, and compare two contractor bids against a benchmark rate.

See what a remodel returns. Enter project cost and estimated value added to get cost recouped, net gain or loss, and the projected home value at sale.

Build a renovation budget with materials, labor, permits, design fees, sales tax, and a contingency reserve. See your true total and labor share.

Estimate the monthly payment on a home renovation loan. Enter amount, rate, term, and origination fee to see total interest and the true cost to borrow.

Convert length, width, and depth to cubic yards. Get cubic feet, cubic meters, an approximate tonnage, and material cost for gravel, soil, or mulch.

Add or subtract feet and inch measurements down to the sixteenth. Get the answer in feet-inches, total inches, decimal feet, and meters instantly.

Work out slope from rise and run. Get grade percent, angle in degrees, the 1-in-N ratio, slope length, and the fall you need to hit a target grade.