General mathematics Calculators: All 444 Tools
Every general mathematics calculator on CalculatorHub, 444 in total, listed alphabetically. Each one is free, works in your browser with no signup, and shows the method it uses. Where a result depends on an external rate, standard or dataset, the supporting source is shown on the page with the date it was last checked. Prefer to search across all 6,718 calculators? Use the tool finder.
- 2x2 Adjugate Calculator
- 2x2 Characteristic Polynomial Calculator
- 2x2 Cofactor Calculator
- 2x2 Determinant Calculator
- 2x2 Matrix Eigenvalues Calculator
- 2x2 Matrix Inverse Calculator: Inverse of a 2 by 2 Matrix
- 2x2 Matrix Multiplication Calculator: Product of A and B
- 3D Distance Calculator
- 3D Distance Calculator 2026: Distance Between Two Points in Space
- 3x3 Determinant Calculator
- 3x3 Determinant Calculator: Cofactor Expansion
- Absolute Difference Calculator
- Absolute Error Calculator
- Absolute Value Equation Calculator
- Age Word Problem Calculator: Solve Classic Age Algebra Problems
- AM-GM Inequality Calculator
- Amplitude Period Phase Calculator
- Angle Between Vectors Calculator: 2D and 3D Vectors
- Angle Bisector Length Calculator
- Angle of Depression Calculator
- Angle of Elevation Calculator
- Angular Frequency Calculator
- Annulus Perimeter Calculator
- Antilogarithm Calculator
- Antilogarithm Calculator: Compute Antilog in Any Base
- Apothem Calculator for Regular Polygons
- Arccosine Calculator
- Archimedean Spiral Length Calculator
- Arcsine Calculator
- Arctangent Calculator
- Arithmetic Sequence Sum Calculator: Partial Sum and Nth Term
- Arithmetic Series Calculator
- Arithmetic Series Sum Calculator: S = n/2(2a + (n-1)d)
- Baker's Percentage Calculator
- Banked Curve Angle Calculator: Ideal Banking Angle
- Base-N Number Converter (Radix Converter)
- Bearing Between Two Points Calculator
- Bilinear Interpolation Calculator
- Binomial Coefficient Calculator
- Binomial Coefficient Calculator: Compute C(n, r) or NCr
- Bounding Box Diagonal Calculator
- Brine Percentage Calculator: Salt Brine for Pickling and Meat Brining
- Calibration Drift Calculator
- Candle Scent Percentage Calculator: Fragrance Load for Candles
- Capsule Surface Area Calculator
- Capsule Volume Calculator
- Catenary Sag Calculator
- Central Angle Calculator
- Centroid of a Triangle Calculator
- Change of Base Calculator
- Chord Length Calculator: Find Chord Length and Segment Height
- Circle Area Calculator
- Circle Circumference Calculator
- Circle Equation Radius Calculator
- Circle Packing Density (hexagonal) Calculator
- Circle Perimeter Calculator
- Circular Sector Area Calculator
- Circular Segment Area Calculator
- Circular Segment Area Calculator: Area and Height
- Circumradius of Regular Polygon Calculator
- Circumscribed Circle Radius Calculator 2026: Circumradius of a Triangle
- Clinometer Height Calculator
- Combinations and Permutations Calculator: NCr and NPr
- Combinations with Repetition Calculator 2026: Multiset Count
- Combined Uncertainty Calculator
- Complementary Angle Calculator
- Completing the Square Calculator
- Complex Argument Calculator
- Complex Modulus Calculator
- Complex Number Addition Calculator
- Composite Function Calculator (linear)
- Cone Frustum Lateral Area Calculator
- Cone Frustum Surface Area Calculator
- Cone Frustum Volume Calculator
- Cone Slant Height Calculator
- Cone Surface Area Calculator
- Cone Volume Calculator
- Conic Section Calculator 2026: Classify by the Discriminant
- Convex Hull Calculator 2026: Area and Perimeter of a Point Set
- Coprime Checker Calculator: Are Two Numbers Coprime?
- Cosecant Calculator
- Cosine Calculator
- Cotangent Calculator
- Coterminal Angle Calculator
- Cramer's Rule (2x2) Calculator
- Cube Root Calculator
- Cube Surface Area Calculator
- Cube Volume Calculator
- Cube Volume from Edge Calculator
- Cubic Equation Solver
- Cuboid Surface Area Calculator: 2(lw + lh + wh)
- Cuboid Volume Calculator: Length x Width x Height
- Cyclic Quadrilateral Area (Brahmagupta) Calculator
- Cylinder Surface Area Calculator
- Cylinder Volume Calculator
- Definite Integral Calculator (Numerical)
- Degrees to Radians Calculator
- Derangement (!n) Calculator
- Derivative Calculator: Power Rule for a*x^n at a Point
- Diagonal of a Cube Calculator
- Diagonal of a Rectangle Calculator
- Diagonalisation Calculator 2026: Eigenvalues of a 2x2 Matrix
- Dice Roll Probability Calculator: Sum of n Dice
- Dihedral Angle (regular tetra) Calculator
- Direct Variation Calculator
- Discriminant Calculator: Quadratic Equation Roots
- Distance Between Points Calculator
- Division Remainder Calculator (Quotient + Mod)
- Double Angle Calculator (sin 2x)
- Double Factorial Calculator: Compute n!! for Any Integer
- Duodecimal Converter Calculator
- Ellipse Area Calculator: Calculate Area and Perimeter
- Ellipse Circumference Calculator
- Ellipse Eccentricity Calculator
- Ellipse Perimeter Calculator: Ramanujan Approximation
- Ellipsoid Surface Area Calculator (Thomsen)
- Ellipsoid Volume Calculator
- Equation of a Line Calculator
- Equilateral Triangle Area Calculator
- Equilateral Triangle Calculator: Area, Perimeter, Height
- Equilateral Triangle Perimeter Calculator
- Error Propagation (sum) Calculator
- Exponent Calculator
- Exponent Rules Calculator (product)
- Exponential Decay (Half-Life) Calculator: Remaining Amount
- Exponential Decay Calculator
- Exponential Growth Calculator
- Exponential Growth Rate Calculator
- Exponential Population Growth Calculator 2026: N0 e^(rt)
- Extended Euclidean GCD Calculator 2026: GCD and Bezout Coefficients
- Factor Pairs Calculator
- Factorial Trailing Zeros Calculator
- Factoring Calculator
- Fibonacci Sequence Calculator: Compute F(n) and List Terms
- Floor and Ceiling Calculator
- Floor and Ceiling Function Calculator
- Fraction Simplifier Calculator
- Gauge R&R (%) Calculator
- GCD and LCM Calculator: Greatest Common Divisor and Least Common Multiple
- GCD Calculator: Greatest Common Divisor of Two Numbers
- Generating Function Calculator 2026: Geometric Series Coefficient
- Geometric Mean Return Calculator: Compound Average Return
- Geometric Sequence Sum Calculator: Partial Sum and Nth Term
- Geometric Series Calculator
- Geometric Series Sum Calculator: S = a(1-r^n)/(1-r)
- Golden Ratio Calculator
- GPS Accuracy Circle Calculator
- Gram-Schmidt Calculator 2026: Orthogonalize Two Vectors
- Gray Code Calculator
- Great Circle Distance Calculator: Haversine Formula
- Great-circle Distance Calculator
- Half Angle Calculator (tan)
- Harmonic Sequence Term Calculator
- Helix Length Calculator
- Hemisphere Surface Area Calculator
- Hemisphere Volume Calculator
- Heron's Formula Calculator: Triangle Area from Side Lengths
- Hexagon Perimeter Calculator: Regular 6-Side Total
- Hexagonal Prism Surface Area Calculator
- Hexagonal Prism Volume Calculator
- Hollow Cylinder Surface Area Calculator
- Hollow Cylinder Volume Calculator
- Hyperbola Eccentricity Calculator
- Hyperbolic Cosine Calculator
- Hyperbolic Sine Calculator
- Hyperbolic Tangent Calculator
- Hypergeometric Probability Calculator: P(X=k)
- Hypotenuse Calculator
- Image Scale Percentage Calculator 2026: Resize Scale Percent
- Inradius of a Triangle Calculator
- Inscribed Angle Calculator
- Inscribed Circle Radius Calculator 2026: Incircle Radius of a Triangle
- Interior Angle of a Regular Polygon Calculator
- Interior Angles Calculator: Polygon Angle Sum
- Interpolation Calculator
- Inverse Hyperbolic Sine Calculator
- Inverse Variation Calculator
- Isosceles Triangle Area Calculator
- Isosceles Triangle Perimeter Calculator
- Joint Variation Calculator
- Kite Area Calculator: Area From Two Diagonals
- Kite Perimeter Calculator
- Law of Cosines Calculator
- Law of Sines Calculator
- LCM and GCD Calculator: Least Common Multiple and Divisor
- LCM Calculator
- LCM Calculator: Least Common Multiple of Two Numbers
- Least Squares Slope Calculator
- Lens Field of View Calculator: Angle of View
- Linear Equation Calculator
- Linear Extrapolation Calculator
- Linear Function Inverse Calculator
- Linear Inequality Solver
- Linear Interpolation Table Calculator
- Linear Recurrence next-term Calculator
- LMTD Calculator: Log Mean Temperature Difference
- Load Factor from Bank Angle Calculator: G in a Turn
- Logarithm Any Base Calculator 2026: log Base b of x
- Logarithm Base 2 Calculator
- Logarithm Base-N Calculator
- Logarithm Calculator
- Logit Calculator
- Long Division Calculator
- Long Multiplication Calculator
- Luhn Algorithm Calculator
- Luhn Check Digit Calculator
- Map Distance Calculator
- Markdown Percentage Calculator 2026: Price Reduction Percent
- Matrix Addition Calculator: Add and Subtract Matrices
- Matrix Determinant Calculator: 2x2 and 3x3 Matrices
- Matrix Multiplication Calculator: A × B and B × A
- Matrix Trace Calculator (3x3)
- Midpoint Calculator
- Midpoint Coordinates Calculator
- Midpoint Formula Calculator (Coordinate Geometry)
- Midpoint of Two Numbers Calculator
- Min-max Scaling Calculator
- Mixture Calculator
- Modular Clock Calculator
- Modular Exponentiation Calculator: a^b Mod m
- Modulo Calculator: Find the Remainder of a / n
- Moment of Inertia Calculator: Circle (pi d^4 / 64)
- Moving Range Calculator
- Natural Logarithm Calculator
- Nth Root Calculator
- Null Space Calculator 2026: Kernel of a 2x2 Matrix
- Number Base Converter (to decimal) Calculator
- Number Base Converter: Binary, Octal, Decimal, Hex
- Number of Divisors Calculator
- Number Truncation Calculator
- On-Base Percentage Calculator 2026: OBP from Hits, Walks and HBP
- Parabola Vertex Calculator
- Parallelogram Area Calculator
- Parallelogram Perimeter Calculator: 2 x (a + b)
- Parity Bit (even) Calculator
- Partial Fractions Calculator: Decompose a Rational Expression
- Pascal's Triangle Entry Calculator
- Pentagon Perimeter Calculator: Regular 5-Side Total
- Pentagonal Number Calculator
- Pentagonal Prism Surface Area Calculator
- Pentagonal Prism Volume Calculator
- Percent Difference Calculator
- Percent Error Calculator
- Percentage Calculator: Four Essential Percentage Tools
- Percentage Change Calculator
- Percentage Decrease Calculator
- Percentage Difference Calculator
- Percentage Error Calculator
- Percentage Grade Calculator: Points to Percent and Letter Grade
- Percentage Increase Calculator
- Percentage Increase/Decrease Calculator
- Percentage of Total Calculator
- Percentage Points Calculator
- Perfect Number Checker Calculator
- Permutation and Combination Calculator: NPr and NCr
- Phase Angle Calculator (RLC)
- Point-Slope Form Calculator
- Points Percentage Calculator: Hockey Standings Points Rate
- Polar to Rectangular (complex) Calculator
- Polygon Exterior Angle Calculator
- Polygon Interior Angle Sum Calculator
- Polygon Perimeter Calculator: Regular and Irregular Polygons
- Polynomial Division by (x - r) Remainder Calculator
- Polynomial Fit Calculator 2026: Least-Squares Line of Best Fit
- Polynomial Roots Calculator: Quadratic and Cubic Roots
- Power of a Point Calculator
- Power Tower Calculator
- Prismatoid Volume Calculator
- Probability of Union Calculator: P(A or B) Addition Rule
- Product to Sum Calculator
- Proportion Calculator
- Proportional Split Calculator (Ratio Share)
- Ptolemy's Theorem Calculator
- Pyramid Slant Height Calculator
- Pythagorean Theorem Calculator
- Pythagorean Win Expectation Calculator: Expected Wins from Runs
- Quadratic Bezier Point Calculator
- Quadratic Equation Calculator
- Quadratic Equation Solver
- Quadratic Form Evaluation Calculator
- Quadratic Formula Calculator
- Quartic Equation Calculator: Solve ax^4+bx^3+cx^2+dx+e=0
- Radians to Revolutions Calculator
- Ratio to Fraction Calculator
- Rational Root Test Calculator
- Rationalise Denominator (1/sqrt(n)) Calculator
- Reciprocal Calculator: One Over a Number
- Rectangle Area Calculator
- Rectangle Perimeter Calculator
- Rectangular Pyramid Surface Area Calculator
- Rectangular Pyramid Volume Calculator
- Rectangular to Polar Calculator
- Reference Angle Calculator
- Regular Decagon Area Calculator
- Regular Decagon Perimeter Calculator
- Regular Dodecahedron Surface Area Calculator
- Regular Dodecahedron Volume Calculator
- Regular Heptagon Area Calculator
- Regular Heptagon Perimeter Calculator
- Regular Hexagon Area Calculator
- Regular Hexagon Perimeter Calculator
- Regular Icosahedron Surface Area Calculator
- Regular Icosahedron Volume Calculator
- Regular Nonagon Area Calculator
- Regular Nonagon Perimeter Calculator
- Regular Octagon Area Calculator
- Regular Octagon Perimeter Calculator
- Regular Octahedron Surface Area Calculator
- Regular Octahedron Volume Calculator
- Regular Pentagon Area Calculator
- Regular Pentagon Perimeter Calculator
- Regular Polygon Apothem Calculator 2026: Apothem from Side Length
- Regular Polygon Area Calculator
- Regular Polygon Area Calculator: Any Number of Sides
- Regular Polygon Perimeter Calculator
- Regular Tetrahedron Surface Area Calculator
- Relative Error Calculator
- Relative Standard Deviation Calculator 2026: RSD as a Percent
- Relative Uncertainty Calculator
- Remainder Theorem Calculator
- Reverse Percentage Calculator
- Rhombus Area Calculator: Calculate Area and Perimeter
- Rhombus Perimeter Calculator: From Side or Diagonals
- Rhumb Line Distance Calculator
- Right Triangle Area Calculator
- Right Triangle Calculator
- Right Triangle Perimeter Calculator
- Right Triangle Trig Calculator
- Road Banking Angle Calculator 2026: Ideal Curve Tilt
- Roman to Arabic Calculator
- Roof Pitch to Angle Calculator 2026: Rise Over Run to Degrees
- Roots of a Polynomial Calculator (up to Degree 4)
- Round to Significant Figures Calculator
- Rounding Calculator
- Rounding to Significant Figures Calculator
- Running Total Calculator (Cumulative Sum)
- Scalar Triple Product Calculator: a.(b x c) in 3D
- Scale Model Calculator
- Scientific Notation Calculator: Convert to/from a x 10^n
- Scientific Significant Figures Calculator: Round to Sig Figs
- Secant Calculator
- Sector Area Calculator: Area, Arc Length, and Angle
- Sector Perimeter Calculator
- Segment Perimeter Calculator
- Semicircle Area Calculator
- Semicircle Perimeter Calculator
- Shadow Length Calculator
- Shoelace Area Calculator (triangle)
- Shutter Angle to Speed Calculator: Cine Exposure Time
- Sigmoid Calculator
- Significant Figures Calculator
- Significant Figures in a Product Calculator
- Significant Figures Rounding Calculator
- Sine Calculator
- Sine Rule Side Calculator
- Slope Angle Degrees Calculator 2026: Rise Over Run to Degrees
- Slope of a Line Calculator: Slope Between Two Points
- Slope Percent Grade Calculator 2026: Rise Over Run as a Percent
- Slope-Intercept Form Calculator
- Slugging Percentage Calculator 2026: SLG from Total Bases
- Small Angle Approximation Calculator
- Softmax (two-class) Calculator
- Solid Angle of a Cone Calculator
- Sphere Packing Calculator 2026: Simple Cubic Packing Fraction
- Sphere Radius from Surface Area Calculator
- Sphere Surface Area Calculator
- Sphere Volume Calculator
- Spherical Cap Surface Area Calculator
- Spherical Cap Volume Calculator
- Spherical Law of Cosines Calculator
- Spherical Sector Volume Calculator
- Spherical Triangle Calculator 2026: Angles from Three Sides
- Spherical Triangle Excess Calculator
- Square Area Calculator
- Square Perimeter Calculator
- Square Prism (cuboid) Volume Calculator
- Square Prism Surface Area Calculator
- Square Pyramid Surface Area Calculator
- Square Pyramid Volume Calculator
- Square Root by Hand Calculator: Newton's Iteration Step by Step
- Square Root Domain Calculator
- Star Polygon Point Angle Calculator
- Sum and Difference Calculator (sin)
- Sum of Cubes Calculator
- Sum of Divisors Calculator
- Sum of Series Calculator (Arithmetic + Geometric)
- Sum of Squares Calculator
- Sum to Product (sines) Calculator
- Supplementary Angle Calculator
- Surd Simplification Calculator
- Synthetic Division Calculator
- System of Three Linear Equations Calculator
- System of Two Linear Equations Calculator
- Tangent Calculator
- Tangent half-angle Calculator
- Tangent Line Length Calculator
- Telescoping Sum Calculator
- Test Score Percentage Calculator: Convert Raw Score to Percent
- Tetrahedron Volume Calculator
- Tolerance Stack-Up Calculator: Worst Case and RSS Analysis
- Torus Surface Area Calculator
- Torus Volume Calculator
- Trapezoid Area Calculator
- Trapezoid Perimeter Calculator: Sum of Four Sides
- Triangle AAS Side (sine rule) Calculator
- Triangle Altitude Calculator
- Triangle Area Calculator
- Triangle ASA Third Angle Calculator
- Triangle Centroid (x) Calculator
- Triangle Circumradius Calculator 2026: Circumradius from Three Sides
- Triangle Inradius Calculator 2026: Inradius from Three Sides
- Triangle Median Length Calculator
- Triangle Perimeter Calculator: Calculate Perimeter and Area
- Triangle SAS Area Calculator
- Triangle SSS Area Calculator (Heron)
- Triangular Number Calculator
- Triangular Prism Surface Area Calculator (equilateral)
- Triangular Prism Volume Calculator
- Triangular Pyramid (regular tetra) Surface Area
- Triangular Pyramid Volume Calculator
- Trig Equation Solver Calculator 2026: Solutions of Sin x = k
- Trig Identities Calculator: Verify Identities at an Angle
- Truncated Icosahedron Calculator 2026: Surface Area and Volume
- Two-vector Linear Independence Calculator
- Unit Circle Calculator
- Unit Conversion Factor Calculator
- Unit Rate Calculator
- Unit Vector Calculator: Normalize a 2D or 3D Vector
- Uptime Percentage Calculator: SLA Nines of Availability
- Vector Addition Calculator: A + B and A - B
- Vector Dot Product Calculator (3D)
- Vertex Form Calculator
- Vieta's Formulas Calculator (quadratic)
- Viewing Angle Calculator
- Vigesimal Converter Calculator
- Wedge Surface Area Calculator
- Wedge Volume Calculator
- Weighted Mean Calculator
- Weighted Ratio Calculator
- Weighted Standard Deviation Calculator 2026: Weighted Spread
- Win Percentage Calculator 2026: Winning Percentage from a Record
- Wind Correction Angle Calculator: Dead Reckoning Navigation
- Work Rate Calculator
- Z-score Normalisation Calculator