Math Calculators
Solve percentages, fractions, statistics, and everyday math problems instantly. 36 free tools, fast and accurate.
💡 From quick percentages to standard deviation, these math tools handle the numbers so you don't have to. Fast, accurate, and completely free.
Math Calculators
Average Calculator
Mean of a number set
Binary Calculator
Convert between binary and decimal numbers
Circle Calculator
Area, circumference, and diameter from a radius
Cone Calculator
Volume, lateral area, slant height for any cone
Cylinder Calculator
Volume and surface area of a cylinder
Decimal to Fraction
Convert decimals to fractions
Exponent Calculator
Calculate powers (x^n)
Factorial Calculator
Compute n! for integers up to 170 with exact output
Fibonacci Calculator
Generate Fibonacci numbers and the golden ratio
Fraction Calculator
Add, subtract, multiply, divide fractions
Fraction to Decimal
Convert fractions to decimals
GCF Calculator
Greatest common factor of two or more numbers
GPA Calculator
Grade point average
Grade Calculator
Weighted grade average
Hex Calculator
Convert between hexadecimal and decimal numbers
LCM Calculator
Least common multiple of two or more numbers
Log Calculator
Logarithm of a number with any base
Mean Median Mode Calculator
Central tendency statistics
Midpoint Calculator
Midpoint between coordinates
Percent Error Calculator
Compare an experimental value with the true value
Percentage Calculator
Find any percentage of a number
Percentage Change Calculator
Percent increase or decrease
Permutation and Combination Calculator
Count arrangements and selections (nPr, nCr)
Pythagorean Theorem Calculator
Find the missing side of a right triangle
Quadratic Formula Calculator
Solve ax² + bx + c = 0 step by step
Random Number Generator
Generate random numbers in a range
Ratio Calculator
Simplify and compare ratios
Rounding Calculator
Round numbers to a place value
Scientific Calculator
Full scientific calculator
Slope Calculator
Slope between two points
Sphere Calculator
Volume and surface area of a sphere
Square Root Calculator
Calculate the square root of n
Standard Deviation Calculator
Sample and population SD
Surface Area Calculator
Compute the surface area of cubes and rectangular prisms
Triangle Calculator
Area and perimeter of a triangle from its sides
Volume Calculator
Calculate volume of cubes, prisms, cylinders, spheres