Math Calculators
75 calculators
The Math category covers everyday calculations (percentages, VAT, discounts) and classic geometry: areas and perimeters of circles or triangles, volumes of spheres and cylinders, or the Pythagorean theorem for finding the hypotenuse of a right triangle.
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Every calculator explains the formula used and offers a worked step-by-step example, so you understand the calculation rather than just getting the result. Other topics like algebra and probability will further enrich this category.
Algebra
Equations, GCD/LCM, and prime numbers. (28 calculators)
2×2 Matrix Determinant Calculator2×2 Matrix Inverse Calculator2×2 Matrix Product Calculator3×3 Matrix Determinant Calculator3D Vector Magnitude CalculatorAbsolute and Relative Error CalculatorArithmetic Sequence CalculatorArithmetico-Geometric Sequence CalculatorBinet's Formula Calculator (Fibonacci sequence)Collatz Sequence CalculatorCross Product Calculator (3D)Dot Product of Vectors CalculatorFactorial CalculatorFibonacci Sequence CalculatorFinal Exam Grade Needed CalculatorGCD and LCM CalculatorGeometric Sequence CalculatorInfinite Geometric Series Sum CalculatorNext Prime Number CalculatorNth Root CalculatorPrime Number CalculatorQuadratic Equation CalculatorRoot Mean Square (RMS) CalculatorScalar Triple Product CalculatorSpherical ↔ Cartesian Coordinates Conversion CalculatorStirling's Approximation CalculatorSystem of Two Linear Equations with Two Unknowns CalculatorWeighted Average Calculator
Percentages
Percentage calculations, VAT, and discounts. (5 calculators)
Geometry
Areas, perimeters, and volumes of classic shapes. (42 calculators)
Annulus Area CalculatorCircle Arc Length CalculatorCircle Area and Perimeter CalculatorCircle Chord Length CalculatorCircular Arc Sagitta CalculatorCircular Sector Area CalculatorCircular Segment Area CalculatorCone Volume CalculatorConical Frustum Volume CalculatorCyclic Quadrilateral Area Calculator (Brahmagupta's formula)Cylinder Volume CalculatorDistance Between Two Points CalculatorEllipse Area and Perimeter CalculatorEllipsoid Volume CalculatorEuler's Polyhedron Formula CalculatorHypotenuse Calculator (Pythagorean Theorem)Law of Cosines CalculatorLaw of Sines CalculatorLine Equation From Two Points CalculatorParallelogram Area CalculatorPoint-to-Line Distance CalculatorPoint-to-Plane Distance CalculatorPolar ↔ Cartesian Coordinates Conversion CalculatorPolygon Diagonals CalculatorQuadrilateral Area From Coordinates CalculatorRectangle Area and Perimeter CalculatorRectangular Prism Volume CalculatorRegular Polygon Area CalculatorRhombus Area CalculatorSphere Volume CalculatorSquare Pyramid Volume CalculatorThales' Theorem CalculatorTorus Volume and Surface Area CalculatorTrapezoid Area CalculatorTriangle Angle From Three Sides CalculatorTriangle Area CalculatorTriangle Area Calculator (2 sides and the included angle)Triangle Area Calculator (Heron's Formula)Triangle Circumradius CalculatorTriangle Inradius CalculatorTriangle Median CalculatorTriangular Prism Volume Calculator