Everyday Calculators
Grade, square footage, fuel cost, paint, concrete, electricity, recipe scaling, and more.
Calculators
Carbon Footprint Calculator
Estimate your annual carbon footprint from driving, flights, and home energy use. Free carbon footprint calculator in kg CO₂.
Open calculatorConcrete Calculator — How Much Concrete Do I Need?
Calculate how many cubic metres of concrete you need for a slab, footing, or column. Free concrete volume calculator.
Open calculatorData Transfer Speed Calculator
Calculate how long it takes to transfer or download a file based on file size and connection speed. Free data transfer time calculator.
Open calculatorDog Age Calculator — Dog Years to Human Years
Convert your dog's age to human years using the updated scientific formula based on DNA methylation research. Free dog age calculator.
Open calculatorElectricity Cost Calculator
Calculate the electricity cost of any appliance based on wattage, hours of use, and electricity rate. Free electricity cost calculator.
Open calculatorFence Calculator — Posts, Panels & Linear Feet
Calculate the number of fence posts, panels, and linear feet of fencing needed for any yard or property. Free fence material estimator.
Open calculatorFlooring Calculator — How Much Flooring Do I Need?
Calculate how much flooring you need for a room. Enter room dimensions and get total square metres with waste allowance. Free flooring calculator.
Open calculatorFuel Cost Calculator
Calculate the fuel cost for any trip based on distance, fuel efficiency, and fuel price. Free petrol and diesel cost calculator.
Open calculatorGrade Calculator — Calculate Your Final Grade
Calculate your weighted average grade based on assignment scores and their weights. Free grade calculator for students.
Open calculatorGravel Calculator — How Much Gravel Do I Need?
Calculate how many tons or cubic yards of gravel you need for a driveway, path, or landscaping project. Free gravel calculator with coverage estimator.
Open calculatorMulch Calculator — How Much Mulch Do I Need?
Calculate how much mulch you need for your garden or landscaping project. Enter area and depth to get cubic yards or bags. Free mulch calculator.
Open calculatorPaint Calculator — How Much Paint Do I Need?
Calculate how many litres of paint you need for a room based on wall area and coverage per litre. Free paint calculator.
Open calculatorPool Volume Calculator — Gallons in a Swimming Pool
Calculate how many gallons of water are in your swimming pool. Supports rectangular, oval, and round pools. Essential for chemical dosing and pump sizing.
Open calculatorReading Time Calculator
Calculate how long it takes to read any piece of content based on word count and reading speed. Free reading time estimator for articles, books, and essays.
Open calculatorRecipe Scaling Calculator
Scale any recipe up or down by entering the original servings and your desired servings. Calculate the scaling factor instantly. Free recipe calculator.
Open calculatorSpeed Distance Time Calculator
Calculate speed, distance, or time using the speed-distance-time formula. Enter any two values to find the third. Free SDT calculator.
Open calculatorSquare Footage Calculator
Calculate the square footage of any rectangular space. Enter length and width in feet to get the area instantly. Free square footage calculator.
Open calculatorTile Calculator — How Many Tiles Do I Need?
Calculate how many tiles you need to cover a floor or wall area. Enter room and tile dimensions. Free tile calculator with waste percentage.
Open calculatorUnit Price Calculator — Compare Value for Money
Compare two products to find the better value. Calculate price per unit and see which deal gives you more for your money. Free unit price calculator.
Open calculatorWeight on Other Planets Calculator
Calculate your weight on every planet in the solar system. See how gravity affects your weight on Mars, Jupiter, and the Moon. Free planet weight calculator.
Open calculatorWords to Pages Calculator
Convert word count to pages for essays, reports, and books. Choose font size and spacing. Free words-to-pages converter for students and writers.
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