BTU Calculator
Calculate the BTU capacity needed to cool or heat a room based on size, insulation, ceiling height, and sun exposure.
Practical calculators for home improvement, construction, and DIY projects. Calculate square footage for rooms of any shape, figure out how many bags of concrete you need, estimate tile quantities with waste allowance, size a room's air conditioner, or calculate your electricity bill. Every tool supports both metric and imperial measurements.
Calculate the BTU capacity needed to cool or heat a room based on size, insulation, ceiling height, and sun exposure.
Calculate concrete volume for slabs, footings, and columns in cubic yards or metres, plus bags needed.
Calculate the running cost of any appliance per hour, day, month, and year based on wattage and your electricity rate.
Calculate gravel or mulch volume, weight, and number of bags needed for any area and depth.
Calculate total floor area by adding multiple rooms or shapes in square feet or square metres.
Calculate the number of tiles and boxes needed for any area, including grout gaps and wastage allowance.