Home & DIY

How much paint a room needs, allowing for doors and windows

Work out the bricks and mortar a wall needs, for a single or double skin wall

Estimate how much yarn a project needs by garment type and size, and how many skeins to buy

How many packs of flooring a room needs, including waste

Work out the volume of concrete needed for a slab, footing or column, in cubic metres and bags

Work out the finished size of a cross stitch design from its stitch count and fabric count, and how much fabric to cut

Soil, compost or mulch for a bed, in litres and bags

Work out how many plasterboard sheets, screws and how much joint compound a room needs

Work out how many stitches to cast on and rows to knit for a target size, from a gauge swatch

Work out the cost of heating a home from daily kWh use and a unit rate, per day, month and year, plus what one degree on the thermostat costs

Work out the posts, rails and panels for a fence run, with the post spacing this gives you

Work out how many beads a design needs from its grid size and coverage, and how many packs to buy

Work out annual generation from an array size, orientation and tilt, and the payback period from install cost, export rate and how much of the power is used in the home

Work out how much grout a tiled area needs from the tile size and the joint width

Work out fabric needed for a pattern from piece size and count, allowing for fabric width, nap and a print repeat

Work out how many washing machine loads a pile of laundry needs from the drum size, and what it costs from energy and water rates

Work out how many rolls of insulation a loft or wall needs, and the U-value improvement

Work out the self storage unit size a list of boxes and furniture needs, in square feet and cubic metres, with the next standard size up

Work out the board feet and cost of a cut list from the dimensions of each piece

Work out a buildings rebuild cost and a contents cover estimate from a floor area, build type and room count, and flag any shortfall against a sum insured

Work out roof pitch in degrees, ratio and percent, and the rafter length

Work out the boards, joists and fixings a deck needs from its dimensions, board width and gap, with a waste allowance

Work out which skip size a volume of waste needs, in cubic yards and bin bags

Work out the fabric width and drop a curtain needs from the window size and heading type, with pattern repeat and hem allowed for

Work out stair rise, going and stringer length, and check both against UK Part K

Work out how many lumens a room needs from its area and use, how many bulbs that takes, and a colour temperature to match

Work out how many tiles and boxes an area needs, allowing for waste from cuts

Work out how many rolls of wallpaper a room needs, allowing for the pattern repeat

Generate a room-specific decluttering checklist without storing personal inventory