Home & Garden Calculators

Project calculators for home and yard work: measure rooms and areas, estimate paint, and order the right amount of mulch or topsoil.

Home & Garden

Square Footage Calculator

Work out the square footage of a room or area from its length and width, add a waste allowance for flooring or tile, and see the total in square yards and square meters.

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Home & Garden

Paint Calculator (How Much Paint)

Estimate how many gallons of paint a room needs from its size, the number of coats, and the doors and windows you will not paint.

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Home & Garden

Mulch & Topsoil Calculator (Cubic Yards)

Find out how much mulch or topsoil to order from the bed length, width and depth, with the total in cubic yards, cubic feet and bags.

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Home & Garden

Concrete Calculator (Cubic Yards & Bags)

Work out how much concrete a slab needs from its length, width and thickness, with the total in cubic yards, cubic feet and the number of bags.

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Home & Garden

Tile Calculator (Tiles & Boxes)

Find how many tiles and boxes you need to cover a floor or wall from the area, the tile size and a waste allowance for cuts and breakages.

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Home & Garden

Gravel Calculator (Cubic Yards & Tons)

Find out how much gravel to order from the length, width and depth of the area, with the total in cubic yards, cubic feet and tons so you can buy bulk or by weight.

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Home & Garden

Sod Calculator (Square Feet, Pallets & Rolls)

Find out how much sod to order from your lawn's length and width, with a waste allowance and the total in square feet, square yards, pallets and rolls.

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Home & Garden

Drywall Calculator (Sheets Needed)

Find out how many sheets of drywall to buy from the total wall and ceiling area you are covering, with a waste allowance and an estimate of the screws you will need.

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Home & Garden

Flooring Calculator (Boxes Needed)

Find out how much flooring to buy from the room's length and width, with a waste allowance and the total in square feet and boxes for laminate, hardwood or vinyl plank.

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Home & Garden

Roofing Calculator (Squares & Shingle Bundles)

Find out how many roofing squares and shingle bundles you need from the total roof area, with a waste allowance. A roofing square covers 100 square feet of roof.

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Home & Garden

Fence Calculator (Posts, Sections & Pickets)

Find out how many posts, sections, rails and pickets you need from the fence length, post spacing and picket width. Plan the materials for a straight run of wood fence.

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Home & Garden

Deck Board Calculator (Boards & Linear Feet)

Find out how many deck boards and how much linear footage you need from the deck size, board width, board length and gap between boards, with a waste allowance.

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Home & Garden

BTU Calculator (Room Heating & Cooling)

Estimate the heating or cooling power a room needs from its size. Enter the length and width and choose cooling or a heating climate to get BTU per hour and a cooling capacity in tons.

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Free, fast and accurate calculators for finance, health, math and everyday life.

Finance

Loan, mortgage, interest and tax calculators to plan payments, compare options and understand the true cost of borrowing.

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Advertising and campaign calculators to price impressions, clicks and conversions and measure return on ad spend.

Health

Body and nutrition calculators to track BMI, estimate calorie needs and support your fitness goals.

Math

Everyday math helpers for percentages, ratios and quick calculations you can trust.

Education

Exam and grade calculators to predict AP scores, work out the marks you need and plan your studies.

Everyday

Practical day-to-day calculators for tipping, splitting bills and working out ages.

Home & Garden

Project calculators for home and yard work: measure rooms and areas, estimate paint, and order the right amount of mulch or topsoil.

Conversions

Unit converters that turn one measurement into another quickly and accurately.

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