Math Calculators
Percentage, fraction, scientific, statistics and geometry calculators with step-by-step answers.
Percentage CalculatorX% of Y, percentage of marks, % increase and decreasePercentage Change CalculatorPercentage increase or decrease between two numbersScientific CalculatorTrig, log, powers, roots and factorial with historyFraction CalculatorAdd, subtract, multiply, divide fractions and mixed numbersAverage CalculatorMean, median, mode and weighted average of any listStandard Deviation CalculatorSample and population SD, variance and mean with stepsRatio CalculatorSimplify ratios, solve proportions, split amountsLCM and GCD CalculatorLCM and GCD/HCF of any numbers with factor stepsQuadratic Equation CalculatorSolve ax² + bx + c = 0 with steps, discriminant and vertex.Area CalculatorArea of any shape or plot in sq ft, sq m, acres and hectares.Volume CalculatorVolume of tanks, boxes and solids in litres, m³ and cubic feet.Pythagorean Theorem CalculatorFind the hypotenuse or a missing side of a right triangle.Square Root CalculatorSquare, cube and nth roots with simplified radical form.Exponent CalculatorWork out xʸ for any base and power, with steps.Log CalculatorLogarithm in base 10, e, 2 or any base, plus antilog.Prime Number CalculatorCheck primes, factorise numbers and list primes in a range.Speed Distance Time CalculatorSolve for speed, distance or time in km/h, mph, m/s or knots.
Free online math calculators
All 17 math tools on CodingMarble Calculator are free, need no sign-up and work on mobile: Percentage Calculator, Percentage Change Calculator, Scientific Calculator, Fraction Calculator, Average Calculator, Standard Deviation Calculator, Ratio Calculator, LCM and GCD Calculator, Quadratic Equation Calculator, Area Calculator, Volume Calculator, Pythagorean Theorem Calculator, Square Root Calculator, Exponent Calculator, Log Calculator, Prime Number Calculator, Speed Distance Time Calculator.