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Math Calculators
Arithmetic, percentage, ratio, fraction, and practical math calculators.
Basic CalculatorUse a simple calculator for addition, subtraction, multiplication, division, percentages, and quick arithmetic.Scientific CalculatorEvaluate scientific expressions with trigonometry, logarithms, roots, powers, constants, factorials, and degree or radian modes.Percentage CalculatorSolve common percentage questions, including percent of a number and percentage change.Fraction CalculatorAdd, subtract, multiply, or divide fractions and see the simplified result.Ratio CalculatorSimplify ratios and compare two quantities with a clean reduced form.Average CalculatorCalculate the arithmetic mean of three values and see the total.Square Root CalculatorCalculate square root, square, and cube for a number.Statistics CalculatorCalculate mean, median, mode, and standard deviation from a list of numbers.Percentage Change CalculatorCalculate the percent increase or decrease between an old and new value.Prime Number CheckerCheck whether a whole number is prime.GCD / LCM CalculatorFind the greatest common divisor and least common multiple of two numbers.Number Base ConverterConvert decimal numbers to binary, hexadecimal, and octal formats.Roman Numeral ConverterConvert a whole number into Roman numerals.Permutation and Combination CalculatorCalculate permutations and combinations for choosing r items from n items.Triangle CalculatorCalculate triangle area, perimeter, and angles from three side lengths.Exponent CalculatorRaise a base to a power and compare the square and cube of the same base.Logarithm CalculatorCalculate logarithms for any positive value and base, plus natural log and base-10 log.Slope CalculatorFind slope, rise, run, and line angle from two coordinate points.Midpoint CalculatorCalculate the midpoint between two coordinate points.Distance Formula CalculatorCalculate straight-line distance between two points in a coordinate plane.Circle CalculatorCalculate circle area, circumference, and diameter from radius.Quadratic Equation CalculatorSolve a quadratic equation and find roots, discriminant, and vertex.Arithmetic Sequence CalculatorFind the nth term and sum of an arithmetic sequence.Geometric Sequence CalculatorFind the nth term and finite sum of a geometric sequence.Cylinder Volume CalculatorCalculate cylinder volume, surface area, and base area from radius and height.Sphere Volume CalculatorCalculate sphere volume, surface area, and diameter from radius.Pythagorean Theorem CalculatorFind the hypotenuse, area, and perimeter of a right triangle from two legs.Rectangular Prism CalculatorCalculate rectangular prism volume, surface area, and space diagonal.Factorial CalculatorCalculate n factorial for whole numbers up to 170.