Math Calculators

Quick, accurate math calculators for percentages, conversions, and common formulas.

52 calculators

Absolute Value Calculator

Calculate the absolute value of any number or simple expression.

Degrees/Radians Converter

Convert angles between degrees and radians instantly.

Area Calculator

Calculate the area of common shapes: rectangle, triangle, circle, trapezoid, and ellipse.

Asymptote Calculator

Find the vertical, horizontal, and oblique asymptotes of any rational function P(x)/Q(x).

Binary Calculator

Perform binary arithmetic and convert between binary, decimal, hexadecimal, and octal.

Circle Calculator

Calculate the area, circumference, and diameter of a circle from any known value.

Combinations and Permutations Calculator

Calculate combinations C(n,r), permutations P(n,r), and factorials for any n and r.

Correlation Calculator

Calculate the Pearson correlation coefficient (r) and R² between two datasets.

Cross Product Calculator

Calculate the cross product and magnitude of two 3D vectors.

Density Calculator

Calculate density, mass, or volume using the density formula: Density = Mass / Volume.

Derivative Calculator

Find the derivative of a function symbolically and evaluate it at any point.

Distance Formula Calculator

Find the Euclidean distance between two points in 2D or 3D coordinate space.

Dot Product Calculator

Calculate the dot product, angle, and magnitudes of two vectors in 2D or 3D.

Equation Solver

Solve systems of 2 or 3 linear equations using Cramer's rule.

Exponent Calculator

Calculate any base raised to any power, including negative and fractional exponents.

Factoring Calculator

Factor quadratic expressions ax^2 + bx + c into linear binomial factors.

Fraction Calculator

Add, subtract, multiply, and divide fractions. Simplify fractions and convert between fractions and decimals.

GCD & LCM Calculator

Find the greatest common divisor (GCD) and least common multiple (LCM) of two or more integers.

Hex Converter

Convert between decimal, hexadecimal, binary, and octal number systems instantly.

Integral Calculator

Calculate definite integrals numerically using Simpson's rule.

IQR Calculator

Calculate the interquartile range, quartiles, fences, and outliers for any data set.

Limit Calculator

Calculate limits of functions numerically with convergence tables and one-sided analysis.

Linear Regression Calculator

Find the best-fit line y = mx + b using least-squares linear regression with R² and predictions.

Logarithm Calculator

Calculate common log (base 10), natural log (base e), and logarithms with any custom base.

Long Division Calculator

Divide any two numbers and see the full step-by-step long division process.

Matrix Calculator

Add, subtract, multiply, transpose, and find the determinant or inverse of 2x2 and 3x3 matrices.

Mean, Median, Mode Calculator

Calculate the mean, median, mode, range, and other basic statistics for any data set.

Midpoint Calculator

Find the midpoint and distance between two coordinate points on a plane.

Mixed Number Calculator

Convert between improper fractions and mixed numbers, and perform arithmetic with mixed numbers.

Modulo Calculator

Calculate the remainder when one number is divided by another (modulo operation).

Percentage Calculator

Calculate percentages: find X% of Y, what percent X is of Y, percentage increase/decrease, and more.

Percentage Change Calculator

Calculate percentage change, percentage of a number, and what percent one number is of another.

Perimeter Calculator

Calculate the perimeter of common shapes: rectangle, triangle, circle, trapezoid, and regular polygon.

Prime Factorization Calculator

Break any integer into its prime factors and find all positive divisors.

Probability Calculator

Calculate single event probability, combined independent events, and conditional probability.

Proportion Calculator

Solve for a missing value in a proportion using cross-multiplication.

Pythagorean Theorem Calculator

Solve for any side of a right triangle using the Pythagorean theorem, plus calculate area and perimeter.

Quadratic Formula Calculator

Solve quadratic equations (ax^2 + bx + c = 0), find roots, vertex, and graph properties.

Random Number Generator

Generate random numbers within any range, with options for integers or decimals and multiple results.

Ratio Calculator

Simplify ratios, solve proportions, and scale ratios up or down.

Relative Frequency Calculator

Calculate the relative frequency and percentage for each value in a data set.

Rounding Calculator

Round numbers using half-up, floor, ceiling, truncation, or banker's rounding.

Sample Size Calculator

Calculate the required sample size for surveys and studies based on confidence level, margin of error, and population size.

Scientific Notation Calculator

Convert numbers to and from scientific notation, and multiply or divide numbers in scientific notation.

Significant Figures Calculator

Count significant figures in any number and round values to a specified number of sig figs.

Simplify Fractions Calculator

Reduce any fraction to its simplest form using the greatest common divisor.

Slope Calculator

Calculate the slope, angle, distance, and midpoint between two points on a coordinate plane.

Square Root Calculator

Calculate the square root of any number, with simplified radical form for non-perfect squares.

Standard Deviation Calculator

Calculate the standard deviation, variance, mean, and other statistics for any data set.

Variance Calculator

Calculate the population and sample variance of a data set, plus standard deviation, mean, and range.

Volume Calculator

Calculate the volume of common 3D shapes: cube, rectangular prism, sphere, cylinder, and cone.

Z-Score Calculator

Calculate the z-score, cumulative probability, and percentile for any value given a mean and standard deviation.