Everyday Calculators
Pet age, electricity cost, paint, tile, concrete and download time calculators for home and daily life.
Pet Age Calculator (Dog and Cat Years)Convert your dog’s or cat’s age into human years, using the newer dog formula and the traditional rule.Appliance Electricity Cost CalculatorWork out the units and cost of running any appliance from its watts, hours of use and your tariff.Paint Calculator (Litres Needed for a Room)Estimate the litres of paint for a room from its size, doors, windows, coats and the paint’s coverage.Tile Calculator (Tiles and Boxes Needed)Work out how many tiles and boxes you need for a floor or wall, with an allowance for cuts and waste.Concrete Calculator (Slab Volume)Find the volume of concrete for a slab or path in cubic metres and cubic yards, with an allowance for waste.Download Time CalculatorFind how long a file takes to download or upload from its size and your internet speed.