24 TOOLS, USEFUL RESULTS
Find your calculator.
Quantities to plan, dimensions to check and assumptions you can adjust.
Paint
Calculate litres and tins for your walls and ceiling, subtracting openings.
Wallpaper
Count the strips and rolls using the cutting height and an optional straight pattern match.
Tiles
Work out how many boxes to buy from the area to cover, with an allowance you choose.
Wood flooring
Estimate packs for a rectangular floor and see how much extra area you are buying.
Skirting boards
Subtract doorways from the perimeter and estimate how many lengths to buy.
Wall area
Measure the four walls of a rectangular room and subtract doors and windows.
L-shaped area
Subtract a rectangle from a corner of the outer rectangle to measure an L-shaped room.
Adhesive film
Plan film strips for one or more identical surfaces without rotating the pattern.
Curtains
Estimate fabric using full widths per curtain panel, allowing for fullness and hems.
Tablecloth
Find the cutting dimensions and fabric length for a rectangular or round tablecloth.
Cushions
Calculate fabric for flat zipped or envelope cushion covers, laid out in rows.
Planter
Convert a planter’s internal dimensions into usable litres and bags.
Mulch
Calculate the volume of a layer over a rectangular area and the number of bags.
Arrange picture frames
Centre a row of identical frames and find the position of each left edge.
Picture mount
Calculate a centred opening and the borders around a picture, with adjustable overlap.
Photo printing
Relate pixels to paper size and see the effect of cropping or borders.
Gravel
Convert area and depth into litres, bags or mass using your own density value.
Turf rolls
Estimate the area to order and the number of whole rolls based on their actual coverage.
Grass seed
Calculate kilograms of seed and bags using the application rate on your packaging.
Tile adhesive
Convert the area and consumption stated in the instructions into kilograms and bags of adhesive.
Tile grout
Estimate grout using the manufacturer’s consumption rate or a theoretical volume with a specified yield.
Decking boards
Count whole boards row by row and the length to buy, without structural calculations.
Garden fabric
Count strips and whole rolls with overlaps, while making length offcuts explicit.
Plasterboard
Convert a cladding area and its layers into a sheet count, without designing a partition.
No tool found
Try another word or category.
One project, several calculations.
Bring your estimates together and print your list before going to the shop.