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Percentage Calculator
Find what X% of a number is, instantly.
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Percentage Increase Calculator
Calculate the percent change between two values.
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Percentage Difference Calculator
Compare two values as a percentage difference.
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Average Calculator
Find the mean, median, min and max of a list.
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Square Root Calculator
Find the square root of any number.
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Fraction Calculator
Add, subtract, multiply or divide two fractions.
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Percentage CalculatorFind what X% of a number is, instantly.OpenPercentage Increase CalculatorCalculate the percent change between two values.OpenPercentage Difference CalculatorCompare two values as a percentage difference.OpenAverage CalculatorFind the mean, median, min and max of a list.OpenSquare Root CalculatorFind the square root of any number.OpenFraction CalculatorAdd, subtract, multiply or divide two fractions.OpenRatio CalculatorSimplify a ratio and scale it proportionally.OpenGCF CalculatorFind the greatest common factor of numbers.OpenLCM CalculatorFind the least common multiple of numbers.OpenScientific CalculatorApply scientific functions to any number.OpenStandard Deviation CalculatorCalculate the standard deviation, variance, and mean of a data set.OpenMean, Median & Mode CalculatorFind the mean, median, mode, range, and sum of any data set instantly.OpenZ-Score CalculatorCalculate the z-score (standard score) to see how many standard deviations a value is from the mean.OpenCombinations Calculator (nCr)Calculate the number of ways to choose r items from a set of n items, where order doesn't matter.OpenProbability CalculatorCalculate the probability of an event occurring given favorable and total outcomes.OpenFactorial Calculator (n!)Calculate the factorial of any non-negative integer. See results for large values too.OpenExponent CalculatorCalculate base raised to a power (bⁿ). Handles any real exponent including fractions and negatives.OpenLogarithm CalculatorCalculate the logarithm of any number to any base, including natural log (ln) and log base 10.OpenModulo CalculatorCalculate the remainder of a division operation (a mod b) with the quotient.OpenPercent Error CalculatorCompare a measured value to the true value.OpenScientific Notation CalculatorConvert any number to scientific notation.OpenSlope CalculatorFind the slope of a line through two points.OpenDistance Between Two Points CalculatorFind the straight-line distance between two points.OpenMidpoint CalculatorFind the midpoint between two coordinate points.OpenArithmetic Sequence CalculatorFind the nth term and sum of a sequence.OpenQuadratic Formula CalculatorSolve ax² + bx + c = 0 for both roots.OpenPythagorean Theorem CalculatorFind the hypotenuse of a right triangle.OpenCircle CalculatorFind area, circumference, and diameter from the radius.OpenTriangle Area CalculatorFind a triangle's area from base and height.OpenPermutations CalculatorCount ordered arrangements with nPr.OpenPrime Factorization CalculatorBreak a number into its prime factors.OpenCube Root CalculatorFind the cube root of any number.OpenProportion CalculatorSolve a/b = c/x for the missing value.OpenRounding CalculatorRound a number to any decimal place.OpenLinear Interpolation CalculatorEstimate a value between two known points.OpenRectangle Area CalculatorFind the area and perimeter of a rectangle.OpenSphere Volume CalculatorFind the volume and surface area of a sphere.OpenCylinder Volume CalculatorFind the volume and surface area of a cylinder.OpenCone Volume CalculatorFind the volume of a cone from its radius and height.OpenTrapezoid Area CalculatorFind the area of a trapezoid from its bases and height.OpenHarmonic Mean CalculatorFind the harmonic mean of three numbers.OpenExponential Growth CalculatorProject a value growing at a fixed percentage rate.OpenPercentage of Total CalculatorFind what percentage one number is of another.OpenConsecutive Integer Sum CalculatorSum all whole numbers from a start to an end.OpenGolden Ratio CalculatorSplit a length into the golden ratio proportions.OpenVector Magnitude CalculatorFind the length and direction of a 2D or 3D vector.Open2×2 Matrix Determinant CalculatorCompute the determinant of a 2×2 matrix.OpenNumber Base ConverterConvert numbers between binary, octal, decimal and hex.OpenAbsolute Value CalculatorFind the absolute value and distance on a number line.OpenSignificant Figures CalculatorRound a number to a chosen number of significant figures.OpenFibonacci CalculatorFind the nth Fibonacci number and the running sum.OpenGeometric Sequence CalculatorFind the nth term and sum of a geometric sequence.OpenConfidence Interval CalculatorFind the confidence interval for a sample mean.OpenMargin of Error CalculatorFind the margin of error for a survey proportion.OpenLinear Regression CalculatorFit a best-fit line and correlation to paired data.OpenUnit Rate CalculatorFind the rate per single unit from a total.OpenDot Product CalculatorFind the dot product and angle between two vectors.OpenLaw of Sines CalculatorSolve a triangle from two angles and one side.OpenLaw of Cosines CalculatorFind the third side from two sides and the included angle.OpenVariance CalculatorFind the variance, standard deviation and mean of data.OpenCovariance CalculatorFind the covariance between two paired variables.OpenWeighted Mean CalculatorFind the weighted average of values with weights.OpenGeometric Mean CalculatorFind the geometric mean of a set of positive numbers.OpenPercentile CalculatorFind the value at a given percentile in a data set.OpenQuartile CalculatorFind Q1, Q2, Q3 and the interquartile range.OpenSample Size CalculatorFind the survey sample size for a target margin of error.OpenBinomial Probability CalculatorFind the probability of k successes in n trials.OpenPoisson Distribution CalculatorFind the probability of k events given an average rate.OpenExpected Value CalculatorFind the expected value from outcomes and probabilities.OpenOdds to Probability CalculatorConvert odds into probability and decimal odds.OpenCoefficient of Variation CalculatorFind relative variability as a percentage of the mean.OpenInterquartile Range CalculatorFind the IQR and outlier fences of a data set.OpenEllipse Area CalculatorFind the area and circumference of an ellipse.OpenHexagon Area CalculatorFind the area and perimeter of a regular hexagon.OpenPentagon Area CalculatorFind the area and perimeter of a regular pentagon.OpenRegular Polygon Area CalculatorFind the area, perimeter and angles of any regular polygon.OpenPyramid Volume CalculatorFind the volume of a rectangular-base pyramid.OpenRectangular Prism Volume CalculatorFind the volume, surface area and diagonal of a box.OpenNth Root CalculatorFind any root of a number — square, cube or nth.OpenAntilog CalculatorFind the antilogarithm of a number for any base.OpenCross Product CalculatorFind the cross product of two 3D vectors.OpenBox Surface Area CalculatorFind the total and lateral surface area of a box.OpenSector Area CalculatorFind the area and arc length of a circular sector.OpenArc Length CalculatorFind the arc length and chord of a circular arc.OpenParallelogram Area CalculatorFind the area and perimeter of a parallelogram.OpenBinary to Decimal CalculatorConvert a binary number to decimal.OpenHex to Decimal CalculatorConvert a hexadecimal number to decimal.OpenRoman Numeral ConverterConvert a number to Roman numerals.OpenNumber to Words ConverterSpell out a number in English words.OpenOctal to Decimal CalculatorConvert an octal number to decimal.OpenDecimal to Binary CalculatorConvert a decimal number to binary.OpenDecimal to Hex CalculatorConvert a decimal number to hexadecimal.OpenDecimal to Octal CalculatorConvert a decimal number to octal.Open3D Distance CalculatorFind the distance between two points in 3D space.OpenRange CalculatorFind the range, minimum and maximum of data.OpenMidrange CalculatorFind the midrange, the midpoint of the extremes.OpenTriangle Perimeter CalculatorFind the perimeter of a triangle from its sides.OpenSphere Surface Area CalculatorFind the surface area and volume of a sphere.OpenCone Surface Area CalculatorFind the surface area of a cone.OpenCylinder Surface Area CalculatorFind the surface area of a cylinder.OpenBinomial Coefficient CalculatorCompute n choose k, the number of combinations.OpenFibonacci Sequence CalculatorFind the nth Fibonacci number and the sum to n.OpenDiscriminant CalculatorFind the discriminant of a quadratic and its roots.OpenSlope-Intercept Form CalculatorFind the line equation through two points.OpenHeron's Formula CalculatorFind a triangle's area from its three sides.OpenEllipse Perimeter CalculatorEstimate an ellipse's perimeter and area.OpenRhombus Area CalculatorFind a rhombus's area from its diagonals.OpenFrustum Volume CalculatorFind the volume of a conical frustum.OpenTorus Volume CalculatorFind the volume and surface area of a torus.OpenTetrahedron Volume CalculatorFind the volume of a regular tetrahedron.OpenSpherical Cap CalculatorFind the volume and surface of a spherical cap.OpenPolar to Cartesian CalculatorConvert polar coordinates to x, y coordinates.OpenCartesian to Polar CalculatorConvert x, y coordinates to polar coordinates.Open2x2 Determinant CalculatorFind the determinant of a 2x2 matrix.OpenTriangular Number CalculatorFind the nth triangular number.OpenCatalan Number CalculatorFind the nth Catalan number.OpenModular Exponentiation CalculatorCompute (base^exponent) mod m efficiently.OpenPerfect Number CalculatorCheck if a number is perfect, deficient or abundant.OpenDigit Sum CalculatorFind the sum of digits and the digital root.OpenCorrelation Coefficient CalculatorFind the Pearson correlation between two datasets.OpenChi-Square Statistic CalculatorCompute the chi-square statistic from observed and expected.OpenCombinations with Repetition CalculatorCount multiset combinations allowing repeats.OpenRatio Simplifier CalculatorSimplify a ratio to its lowest terms.OpenAll Math calculators
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