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Areas, paint, tiling and energy use.
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100% localVolume converterLitres, millilitres, gallons, pints, cups and cubic metres.Open100% localArea converterSquare metres, hectares, acres, square feet and more.Open100% localEnergy converterJoules, calories, kWh, BTU โ from nutrition to the power bill.Open100% localCooking converterSpoons, cups, millilitres and ounces โ follow any recipe.Open100% localVolume and surface of a solidCube, box, cylinder, sphere, cone and pyramid: volume, surface and capacity in litres.Open100% localPaint calculatorHow many litres of paint for your walls, doors and windows deducted.Open100% localTile calculatorNumber of tiles, boxes and cost, offcuts included.Open100% localWallpaper calculatorRolls needed for your walls, pattern repeat included.Open100% localElectricity costWhat an appliance really costs per day, per month and per year.Open100% localRequired heating powerEstimate the watts you need from the room volume and insulation.Open100% localConcrete calculatorConcrete volume, cement bags, sand and gravel for a slab.Open100% localRoom area and volumeFloor area, volume, perimeter and wall surface in one go.Open100% localWater usage costWhat your showers, baths and machines cost over a year.Open100% localHeat loss of a roomWhere the heat goes: walls, windows, roof, floor and air changes, each costed separately.Open100% localThermal resistance of insulationHow thick the insulation must be to reach a given R value, material by material.Open100% localRoof pitch and areaConvert a pitch between degrees, percentage and ratio, and work out the real area to cover.Open100% localSize a staircaseRiser height, tread depth and floor space, checked against Blondel's rule.Open100% localFlooring and skirtingHow many flooring packs and metres of skirting a room needs, offcuts included.Open100% localSize a solar arrayArea, yearly output and payback time of a photovoltaic installation.Open100% localPool volume and treatmentThe water volume, the matching chemical doses and the filtration time to run.Open