Math Calculators
Math, algebra, geometry & statistics tools 41 free tools
Percentage Calculator
Calculate what percent one number is of another.
Fraction Calculator
Add, subtract, multiply and divide fractions.
Decimal Calculator
Convert and calculate with decimal numbers.
Scientific Calculator
Advanced calculations with functions and constants.
Ratio Calculator
Simplify and solve ratio problems.
Average Calculator
Calculate mean, median, and mode.
Probability Calculator
Compute event probabilities and odds.
Statistics Calculator
Standard deviation, variance, and more.
Exponent Calculator
Calculate powers and roots easily.
Square Root Calculator
Find square roots of any number.
Geometry Calculator
Area, perimeter, and volume calculations.
Binary Calculator
Convert and calculate binary numbers.
Factor Calculator
Find factors and prime factorization of numbers.
Big Number Calculator
Perform calculations with very large numbers.
Volume Calculator
Calculate the volume of various 3D shapes.
Permutation and Combination Calculator
Calculate permutations and combinations for different values of n and r.
Z-Score Calculator
Calculate the z-score and determine how far a value is from the mean.
Confidence Interval Calculator
Calculate confidence intervals for a population mean or proportion.
Triangle Calculator
Calculate the sides, angles, area, and perimeter of a triangle.
Slope Calculator
Calculate the slope of a line using two points.
Area Calculator
Calculate the area of common geometric shapes.
Distance Calculator
Calculate the distance between two points using mathematical formulas.
Circle Calculator
Calculate the area, circumference, radius, and diameter of a circle.
Surface Area Calculator
Calculate the surface area of common three-dimensional shapes.
Pythagorean Theorem Calculator
Calculate the missing side of a right triangle using the Pythagorean theorem.
Right Triangle Calculator
Calculate the sides, angles, area, and other properties of a right triangle.
Random Number Generator
Generate random numbers within a specified range.
Percent Error Calculator
Calculate the percent error between an experimental value and a theoretical value.
Hex Calculator
Perform calculations and conversions using hexadecimal numbers.
Half-Life Calculator
Calculate half-life, remaining amount, decay time, or initial amount.
Quadratic Formula Calculator
Solve quadratic equations using the quadratic formula.
Log Calculator
Calculate logarithms with different bases.
Root Calculator
Calculate square roots, cube roots, and other nth roots.
Least Common Multiple Calculator
Find the least common multiple of two or more numbers.
Greatest Common Factor Calculator
Find the greatest common factor of two or more numbers.
Rounding Calculator
Round numbers to a specified number of decimal places or significant figures.
Matrix Calculator
Perform calculations with matrices including addition, subtraction, and multiplication.
Scientific Notation Calculator
Convert numbers to and from scientific notation and perform calculations.
Standard Deviation Calculator
Calculate the standard deviation, variance, and mean of a dataset.
Number Sequence Calculator
Find patterns, missing numbers, and formulas in number sequences.
Sample Size Calculator
Calculate the required sample size for a statistical study.