Math & Science Calculators
Percentage, Algebra, Geometry, Fractions, Exponents, Logarithms, & Statistics.
General
17Percentage Calculator
Calculate percentages, percentage change, increase, and decrease with step-by-step solutions.
Percentage Increase & Decrease Calculator
Calculate the new value after a percentage increase or decrease from an original value.
Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step solutions and simplified results.
Ratio Calculator
Simplify ratios, find missing ratio values, and compare ratios using GCD.
Average (Mean) Calculator
Calculate the arithmetic mean of a set of numbers with count, sum, min, and max.
Weighted Average Calculator
Calculate weighted average by assigning different importance (weights) to each value.
Exponent Calculator
Calculate base raised to any power including negative and decimal exponents.
Square Root Calculator
Calculate the square root of any non-negative number with verification.
Logarithm Calculator
Calculate log base 10, natural log (ln), or any custom base logarithm.
Scientific Calculator
Full-featured scientific calculator with trig functions, logarithms, exponents, and memory.
Area Calculator
Calculate the area of 7 geometric shapes: square, rectangle, triangle, circle, parallelogram, trapezoid, and ellipse.
Perimeter Calculator
Calculate the perimeter (or circumference) of 6 geometric shapes.
Volume Calculator
Calculate the volume of 8 3D shapes: cube, cuboid, cylinder, cone, sphere, hemisphere, prism, and pyramid.
Pythagorean Theorem Calculator
Find any missing side of a right triangle using the Pythagorean theorem (a² + b² = c²).
Circle Calculator
Enter any one circle property (radius, diameter, circumference, or area) to calculate all others.
Statistics Calculator
Calculate mean, median, mode, standard deviation, and variance from a dataset.
Quadratic Equation Solver
Solve quadratic equations ax² + bx + c = 0 with real and complex roots.
Algebra
4Linear Equation Calculator
Solve linear equations of the form ax + b = c with detailed steps.
Simultaneous Equations Calculator
Solve 2x2 systems of linear equations using Cramer’s rule.
Matrix Calculator
Compute 3x3 matrix determinant, inverse, transpose, and multiplication.
Polynomial Calculator
Evaluate polynomial expressions, degrees, leading coefficients, and derivatives.
Geometry & Trigonometry
5Triangle Calculator
Calculate triangle area, perimeter, internal angles, and height using Heron’s formula.
Right Triangle Calculator
Solve right triangles for legs, hypotenuse, angles, area, and perimeter.
Cube Calculator
Calculate cube volume, surface area, lateral area, and space diagonal.
Sphere Calculator
Calculate sphere volume, surface area, and diameter from radius.
Trigonometry Calculator
Calculate sine, cosine, tangent, arcsin, arccos, and arctan in degrees or radians.