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Math Calculators

Free math calculators for percentages, fractions, algebra, statistics, geometry, and more. Solve any math problem instantly with step-by-step results.

← All Calculators
Pythagorean Theorem Calculator
Calculate the hypotenuse or a missing side of a right triangle using the Pythagorean theorem.
Math Calculators
Slope Calculator
Calculate the slope, angle, distance, and equation of a line from two points.
Math Calculators
Percent Error Calculator
Calculate percentage error between an experimental (measured) value and the true (accepted) value.
Math Calculators
Volume Calculator
Calculate the volume of 3D shapes: cube, sphere, cylinder, cone, rectangular prism, and more.
Math Calculators
Algebra Calculator
Evaluate algebraic expressions, solve linear equations, and compute polynomial values.
Math Calculators
Probability Calculator
Calculate basic probability, combinations, permutations, and compound event probability.
Math Calculators
Area Calculator
Calculate the area of any 2D shape: circle, rectangle, triangle, trapezoid, ellipse, and more.
Math Calculators
LCM and GCF Calculator
Calculate the Least Common Multiple (LCM) and Greatest Common Factor (GCF/GCD) of two or more numbers.
Math Calculators
Triangle Calculator
Solve any triangle using sides and angles. Calculate area, perimeter, and all missing values.
Math Calculators
Prime Number Calculator
Check if a number is prime, find prime factors, and generate lists of prime numbers.
Math Calculators
Number System Converter
Convert numbers between binary, octal, decimal, and hexadecimal number systems instantly.
Math Calculators
Ratio Calculator
Simplify ratios, find equivalent ratios, and solve ratio proportion problems.
Math Calculators