Calculators
Free browser-based calculators with instant results and no account required.
Calculator
A fast online calculator for everyday arithmetic.
CalculatorsTip Calculator
Calculate tip amount, total bill, and per-person split instantly.
CalculatorsPercentage Calculator
Calculate percentages quickly for common everyday questions.
CalculatorsPercentage Change Calculator
Calculate percentage increase or decrease between two values.
CalculatorsDiscount Calculator
Calculate sale price, savings, and discount percentage.
CalculatorsAverage Calculator
Calculate the arithmetic mean of a list of numbers.
CalculatorsRatio Calculator
Simplify ratios and compare proportional values.
CalculatorsFraction Calculator
Add, subtract, multiply, or divide two fractions.
CalculatorsLCM Calculator
Find the least common multiple of two or more whole numbers.
CalculatorsGCF Calculator
Find the greatest common factor of two or more whole numbers.
CalculatorsGPA Calculator
Estimate GPA from course grades and credit hours.
CalculatorsVolume Calculator
Calculate volume for common 3D shapes.
CalculatorsDecimal to Fraction Calculator
Convert a decimal number to a simplified fraction.
CalculatorsFraction to Decimal Calculator
Convert a fraction to its decimal value instantly.
CalculatorsSquare Root Calculator
Calculate the square root of any non-negative number.
CalculatorsPercent Difference Calculator
Calculate percent difference between two values.
CalculatorsScientific Calculator
Use common scientific functions including powers, roots, logs, and trigonometry.
CalculatorsCircle Area Calculator
Calculate the area and circumference of a circle from its radius.
CalculatorsTriangle Area Calculator
Calculate triangle area from base and height.
CalculatorsStandard Deviation Calculator
Calculate mean, population standard deviation, and sample standard deviation.
CalculatorsQuadratic Formula Calculator
Solve quadratic equations in the form ax² + bx + c = 0.
CalculatorsMean Median Mode Calculator
Calculate mean, median, mode, range, and count from a list of numbers.
CalculatorsWeighted Average Calculator
Calculate a weighted average from values and weights.
CalculatorsExponent Calculator
Calculate powers using any base and exponent.
CalculatorsFactorial Calculator
Calculate n factorial for a non-negative whole number.
CalculatorsModulo Calculator
Calculate the modulo of two integers.
CalculatorsPrime Number Checker
Check whether a whole number is prime.
CalculatorsPrime Factorization Calculator
Find the prime factorization of a positive integer.
CalculatorsRemainder Calculator
Calculate quotient and remainder for integer division.
CalculatorsRounding Calculator
Round a number to a chosen number of decimal places.
CalculatorsSlope Calculator
Calculate slope from two coordinate points.
CalculatorsDistance Formula Calculator
Calculate the distance between two coordinate points.
CalculatorsMidpoint Calculator
Calculate the midpoint between two coordinate points.
CalculatorsPythagorean Theorem Calculator
Solve a right triangle using the Pythagorean theorem.
CalculatorsRectangle Area Calculator
Calculate rectangle area from length and width.
CalculatorsRectangle Perimeter Calculator
Calculate rectangle perimeter from length and width.
CalculatorsCircumference Calculator
Calculate a circle circumference from radius or diameter.
CalculatorsSphere Volume Calculator
Calculate the volume of a sphere from its radius.
CalculatorsCylinder Volume Calculator
Calculate cylinder volume from radius and height.
CalculatorsCone Volume Calculator
Calculate cone volume from radius and height.
CalculatorsPercentage Increase Calculator
Calculate percentage increase from an old value to a new value.
CalculatorsPercentage Decrease Calculator
Calculate percentage decrease from an old value to a new value.
CalculatorsPercent to Decimal Calculator
Convert a percentage to a decimal instantly.
CalculatorsDecimal to Percent Calculator
Convert a decimal number to a percentage instantly.
CalculatorsFraction to Percent Calculator
Convert a fraction to a percentage.
CalculatorsCube Root Calculator
Calculate the real cube root of a number.
CalculatorsAbsolute Value Calculator
Find the absolute value of a number.
CalculatorsLog Calculator
Calculate a logarithm with a custom base.
CalculatorsSum Calculator
Add a list of numbers instantly.
CalculatorsMedian Calculator
Calculate the median of a list of numbers.
CalculatorsMode Calculator
Find the most frequent value or values in a list.
CalculatorsRange Calculator
Calculate the range of a list of numbers.
CalculatorsVariance Calculator
Calculate population and sample variance.
CalculatorsPermutation Calculator
Calculate permutations nPr.
CalculatorsCombination Calculator
Calculate combinations nCr.
CalculatorsCube Volume Calculator
Calculate the volume of a cube from its side length.
CalculatorsSphere Surface Area Calculator
Calculate the surface area of a sphere.