Everyday Math Essentials
Cover quick calculations for percentages, fractions, averages, and ratios used in school, shopping, and spreadsheets.
📐 Math Calculators
Comprehensive math tools for basic calculations, statistics, and geometry
📐 Topic Hub
Use math tools by task, not by formula name
Whether you are solving homework, checking a quick percentage, or working through geometry, the fastest path is usually a small set of related tools instead of one isolated calculator.
Featured tools
Start with the calculators people usually need first in this category.
Percentage Calculator
Universal percentage calculator for all percentage calculations. Calculate percentages, percentage change, increase/decrease, and more.
Scientific Calculator
Free Scientific Calculator - Advanced online calculator with trigonometric, logarithmic, exponential functions. Calculate sin, cos, tan, log, ln, sqrt and more.
Area Calculator
Free Area Calculator - Calculate area for all geometric shapes: square, rectangle, circle, triangle, parallelogram, trapezoid, and more. Fast, accurate, and easy to use.
Standard Deviation Calculator
Free Standard Deviation Calculator - Calculate standard deviation, variance, mean, and other statistical measures for your data set.
🔢 Basic Math Calculators
Calculate percentages, fractions, exponents, logarithms, and fundamental math operations
Exponent Calculator
Calculate powers and exponents with any base and exponent values.
Calculate Now →Logarithm Calculator
Calculate logarithms with any base including natural log (ln) and log base 10.
Calculate Now →Ratio Calculator
Calculate and simplify ratios, find equivalent ratios, and solve proportion problems.
Calculate Now →GCD & LCM Calculator
Calculate greatest common divisor (GCD) and least common multiple (LCM).
Calculate Now →Percentage Calculator
Calculate percentages, percentage change, and percentage difference.
Calculate Now →Scientific Calculator
Advanced calculator with trigonometric, logarithmic, and exponential functions.
Calculate Now →Rounding Calculator
Round numbers to nearest integer, decimal places, or significant figures.
Calculate Now →Matrix Calculator
Free Matrix Calculator - Add, subtract, multiply matrices, calculate determinant, inverse, and transpose. Supports matrices up to 5×5 with instant results.
Calculate Now →Number Base Converter
Free Number Base Converter - Convert between binary, decimal, hexadecimal, and octal number systems instantly. Accurate base conversion with reference tables.
Calculate Now →Quadratic Equation Calculator
Free Quadratic Equation Calculator - Solve quadratic equations using the quadratic formula with step-by-step solutions and graphical visualization.
Calculate Now →Sequence Calculator
Free Sequence Calculator - Calculate arithmetic, geometric, and Fibonacci sequences. Find nth terms, sequence sums, and visualize patterns.
Calculate Now →📊 Statistics Calculators
Calculate mean, median, mode, standard deviation, and statistical analysis
Standard Deviation Calculator
Calculate standard deviation, variance, and statistical dispersion.
Calculate Now →Probability Calculator
Calculate probabilities for various events and distributions.
Calculate Now →Combination Calculator
Calculate combinations and selections without regard to order.
Calculate Now →Linear Regression Calculator
Free Linear Regression Calculator - Calculate line of best fit, slope, intercept, R-squared, correlation, and make predictions. Includes visualization and step-by-step calculations.
Calculate Now →Percentile Calculator
Free Percentile Calculator - Calculate percentiles, percentile ranks, quartiles, and analyze data distribution with visual charts.
Calculate Now →📏 Geometry Calculators
Calculate area, perimeter, volume, and properties of geometric shapes
Area Calculator
Calculate area for all geometric shapes: circle, rectangle, triangle, and more.
Calculate Now →Volume Calculator
Calculate volume for 3D shapes: sphere, cube, cylinder, cone, and more.
Calculate Now →Rectangle Calculator
Calculate area, perimeter, diagonal, and properties of rectangles.
Calculate Now →Pythagorean Theorem Calculator
Calculate missing sides of right triangles using Pythagorean theorem.
Calculate Now →Ellipse Calculator
Free Ellipse Calculator - Calculate area, perimeter, eccentricity, and other properties of ellipses with visual representations and detailed formulas.
Calculate Now →Hexagon Calculator
Free Hexagon Calculator - Calculate area, perimeter, diagonals, inradius, and circumradius of regular hexagons. Fast, accurate, and easy to use.
Calculate Now →Octagon Calculator
Free Octagon Calculator - Calculate area, perimeter, diagonals, inradius, and circumradius of regular octagons. Includes formulas and visual diagrams.
Calculate Now →Parallelogram Calculator
Free Parallelogram Calculator - Calculate area, perimeter, height, and diagonals of parallelograms. Includes formulas and visual diagrams.
Calculate Now →Pentagon Calculator
Free Pentagon Calculator - Calculate area, perimeter, diagonal, inradius, and circumradius of regular pentagons. Includes formulas and visual diagrams.
Calculate Now →Rhombus Calculator
Free Rhombus Calculator - Calculate area, perimeter, diagonals, angles, and other properties of rhombuses (diamonds) with visual diagrams.
Calculate Now →Trapezoid Calculator
Free Trapezoid Calculator - Calculate area, perimeter, height, and properties of trapezoids (trapeziums).
Calculate Now →3D Volume Calculator
Free 3D Volume Calculator - Calculate volume for all 3D shapes: cube, sphere, cylinder, cone, pyramid, prism and more. Includes formulas and step-by-step calculations.
Calculate Now →