The Math collection
Math Calculators
Explore practical math calculators for percentages, fractions, ratios, averages, equations, probability, and more. Choose a tool to get a clear result and see the formula behind it.
20 calculators · Free to use · Results in your browser
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Percentage CalculatorFind a percentage of a number, or work out what percentage one value is of another.Use calculator →Percentage Increase CalculatorMeasure the percentage increase from an original value to a new value.Use calculator →Percentage Decrease CalculatorMeasure the percentage decrease between an original value and a new value.Use calculator →Percentage Difference CalculatorCompare two values as a percentage of their average magnitude.Use calculator →Fraction CalculatorAdd, subtract, multiply, or divide two fractions and simplify the result.Use calculator →Ratio CalculatorSimplify a ratio to its smallest whole-number form.Use calculator →Average CalculatorCalculate the arithmetic average of a list of numbers.Use calculator →Mean, Median & Mode CalculatorFind the mean, median, and most frequent value in a number set.Use calculator →GCD & LCM CalculatorFind the greatest common divisor and least common multiple of two integers.Use calculator →Fraction to Decimal CalculatorConvert a numerator and denominator into a decimal value.Use calculator →Decimal to Fraction CalculatorConvert a decimal number into a simplified fraction.Use calculator →Exponent CalculatorRaise a base number to a selected power.Use calculator →Square Root CalculatorFind the principal square root of a non-negative number.Use calculator →Factorial CalculatorCalculate the factorial of a non-negative integer.Use calculator →Random Number GeneratorGenerate a random whole number between the inclusive minimum and maximum.Use calculator →Probability CalculatorCalculate the probability and odds of an event from possible outcomes.Use calculator →Permutation & Combination CalculatorCalculate ordered permutations and unordered combinations from n items.Use calculator →Rounding CalculatorRound a number to a chosen number of decimal places.Use calculator →Scientific Notation CalculatorWrite a number in scientific notation as a coefficient times a power of ten.Use calculator →Quadratic Equation CalculatorSolve ax² + bx + c = 0 and show real or complex roots.Use calculator →
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