Math Calculators
📐Essential mathematical calculators for geometry, algebra, fractions, percentages, and statistical analysis to solve problems quickly and accurately.
Basic Math
Percentage Calculator
Calculate percentages, percentage changes, and convert between numbers and percentages
Scientific Calculator
A full scientific calculator with trigonometric, logarithmic, exponential, and memory functions.
Exponent Calculator
Compute powers and exponents, including negative and fractional exponents.
Percentage Change Calculator
Calculate the percentage increase or decrease between two numbers.
Rounding Calculator
Round a number to a chosen number of decimal places or significant figures.
Absolute Value Calculator
Find the absolute value (distance from zero) of any positive or negative number.
Circle
Circle Calculator
Calculate area, circumference, diameter and radius of a circle
Arc Length Calculator
Calculate the length of an arc given radius and angle or central angle
Circle Area Calculator
Calculate the area of a circle using radius, diameter, or circumference
Circle Theorems Calculator
Calculate angles and relationships using circle theorems
Circumference Calculator
Calculate the circumference of a circle using radius, diameter, or area
Coin Rotation Paradox
Calculate and visualize the coin rotation paradox phenomenon in circular motion
Circle Equation Calculator
Calculate and convert between different forms of circle equations
Circle Tangent Calculator
Calculate tangent lines to circles, points of tangency, and related properties
Algebra
Linear Equation Solver
Solve linear equations and systems of linear equations with step-by-step solutions
Quadratic Formula Calculator
Solve quadratic equations and find real or complex roots with step-by-step working.
Slope Calculator
Find the slope, distance, and equation of the line through two points.
Logarithm Calculator
Calculate the logarithm of a number in any base, plus natural log and log base 10.
Distance Formula Calculator
Find the distance between two points using the distance formula.
Midpoint Calculator
Find the midpoint between two points on the coordinate plane.
Geometry
Area and Perimeter Calculator
Calculate the area and perimeter of common geometric shapes including rectangles, triangles, and polygons
Triangle Area Calculator
Calculate the area of a triangle from its base and height or from its three sides (Heron’s formula).
Sphere Volume Calculator
Calculate the volume and surface area of a sphere from its radius or diameter.
Cylinder Volume Calculator
Calculate the volume and surface area of a cylinder from its radius and height.
Trapezoid Area Calculator
Calculate the area of a trapezoid from its two parallel sides and height.
Cone Volume Calculator
Calculate the volume of a cone from its radius and height.
Trigonometry
Triangle Solver
Solve triangles using angles and sides with the law of sines, law of cosines, and trigonometric functions
Pythagorean Theorem Calculator
Solve for any side of a right triangle using the Pythagorean theorem.
Angle Converter Calculator
Convert angles between degrees, radians, and gradians.
Calculus
Linear Algebra
Matrix Determinant Calculator
Calculate the determinant of 2x2, 3x3, and larger matrices with step-by-step solutions
Dot Product Calculator
Calculate the dot product of two 2D or 3D vectors and the angle between them.
Cross Product Calculator
Calculate the cross product of two 3D vectors and its magnitude.
Number Theory
GCD and LCM Calculator
Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two or more numbers
Prime Factorization Calculator
Find the prime factorization of any whole number, with exponents.
Factorial Calculator
Calculate the factorial (n!) of a number, with exact big-integer results.
Modulo Calculator
Calculate the remainder (modulo) when one number is divided by another.
Probability
Fractions & Ratios
Fraction Simplifier
Simplify fractions to their lowest terms and convert between fractions, decimals, and percentages
Ratio Calculator
Simplify ratios, solve proportions, and scale ratios up or down.
Proportion Calculator
Solve a proportion a/b = c/d for the missing value.
Sequences & Series
Arithmetic Sequence Calculator
Calculate terms, common difference, sum, and properties of arithmetic sequences and series
Geometric Sequence Calculator
Find any term and the sum of a geometric sequence from the first term and ratio.
Fibonacci Calculator
Generate Fibonacci numbers and find the nth term in the sequence.