➗ Math calculators
Free math calculators with step-by-step working: percentages, fractions, averages, statistics, equations, geometry, GPA and grades.
18 free tools · no sign-up · formulas explained
Fraction CalculatorAdd, subtract, multiply or divide two fractions or mixed numbers and see the simplified answer with step-by-step working.GPA CalculatorWork out your semester GPA from letter grades and credit hours, and see how it changes your cumulative GPA.Percentage CalculatorFind X% of a number, what percent one number is of another, percentage change, and percentage increase or decrease – with step-by-step working.Area CalculatorCalculate the area of seven common shapes – pick the shape, enter its measurements and see the formula and working.Average CalculatorPaste or type a list of numbers to find the mean, median, mode, range, sum and count in one go.Circle CalculatorKnow one measurement of a circle? Enter the radius, diameter, circumference or area to get all the others.Final Grade CalculatorFind out what you need to score on your final exam to reach the overall grade you want.LCM & GCD CalculatorFind the least common multiple and greatest common factor of two or more whole numbers, using prime factorization.Logarithm CalculatorCalculate the logarithm of any positive number in base 10, e, 2 or a base of your choice, with the change-of-base working.Percent Error CalculatorCompare a measured value with the accepted true value to find the percent error, absolute error and relative error.Prime Number CheckerCheck whether a number is prime, and get its prime factorization plus the nearest primes above and below it.Pythagorean Theorem CalcFind the hypotenuse or a missing leg of a right triangle using a² + b² = c², with angles, area and step-by-step working.Quadratic Equation SolverSolve any quadratic equation ax² + bx + c = 0 with the quadratic formula – real or complex roots, discriminant and vertex.Random Number GeneratorGenerate one or up to 1,000 random numbers in any range – whole numbers or decimals, with or without repeats – right in your browser.Ratio CalculatorFind the missing value in a proportion A : B = C : D, or reduce any ratio to its simplest form.Square Root CalculatorFind square roots, cube roots and any nth root to 10 decimal places, with the simplified radical form for whole numbers.Standard Deviation CalculatorFind the standard deviation and variance of a data set, for a sample or a whole population, with every step shown.Volume CalculatorFind the volume of a cube, box, cylinder, sphere, cone or pyramid and convert it to litres and US gallons.
Other categories
💰 Finance❤️ Health & Fitness🔄 Converters📅 Date & Time🧰 Everyday