Free Online Math Calculators
Math can be exciting — and a lot easier than you think. Whether you're solving quadratic equations, simplifying fractions, or trying to remember the formula for the area of a trapezoid, our math calculators have your back. Scared of trigonometry? Think statistics is too complicated? Fear not. Every tool is designed so that anyone — from middle schoolers to university students — can solve complex problems in seconds. From algebra and geometry through percentages and probability to standard deviation and prime factorization, we've got everything you need. And every calculator comes with clear explanations, so you actually understand the math behind the answer.
2D Geometry Calculators
41 tools- 30-60-90 Triangle Calculator
- 45-45-90 Triangle Calculator
- Annulus Calculator
- Arc Length Calculator
- Area Calculator
- Circle Calculator
- Circumference Calculator
- Congruent Triangles Calculator
- Crescent Area Calculator
- Diameter Calculator
- Ellipse Calculator
- Ellipse Circumference Calculator
- Equilateral Triangle Calculator
- General Triangle Solver
- Golden Section Calculator
- Hexagon Calculator
- Irregular Polygon Area Calculator
- Isosceles Triangle Calculator
- Kite Area Calculator
- Octagon Calculator
- Parallelogram Calculator
- Pentagon Calculator
- Perimeter Calculator
- Polygon Calculator
- Pythagorean Theorem Calculator
- Rectangle Calculator
- Rhombus Calculator
- Right Triangle Calculator
- Scalene Triangle Calculator
- Sector Area Calculator
- Segment Area Calculator
- Similar Triangles Calculator
- Square Calculator
- Trapezoid Calculator
- Triangle Area Calculator (Heron's Formula)
- Triangle Calculator
- Triangle Centroid Calculator
- Triangle Circumcenter Calculator
- Triangle Incenter Calculator
- Triangle Inequality Theorem Calculator
- Triangle Orthocenter Calculator
3D Geometry Calculators
20 tools- Capsule Calculator
- Cone Calculator
- Cube Calculator
- Cuboid Calculator (Rectangular Prism)
- Cylinder Calculator
- Ellipsoid Calculator
- Hemisphere Calculator
- Hexagonal Prism Calculator
- Hollow Cylinder Calculator
- Parallelepiped Calculator
- Pyramid Calculator
- Rectangular Prism Calculator
- Sphere Calculator
- Surface Area Calculator
- Surface Area of a Rectangular Prism Calculator
- Tetrahedron Calculator
- Torus Calculator
- Triangular Prism Calculator
- Truncated Cone (Frustum) Calculator
- Volume Calculator
Algebra Calculators
55 tools- Absolute Value Equation Calculator
- Absolute Value Equation Solver
- Absolute Value Inequalities Calculator
- Absolute Value Inequality Solver
- Adding and Subtracting Polynomials Calculator
- Algebraic Expression Simplifier
- Asymptotes Calculator
- Box Method Calculator
- Completing the Square Calculator
- Corner Point Calculator
- Cramer's Rule Calculator
- Cubic Equation Calculator
- Descartes' Rule of Signs Calculator
- Diamond Problem Calculator
- Direct Variation Calculator
- Discriminant Calculator
- Elimination Method Calculator
- Equation of a Sphere Calculator
- Equilibrium Point Calculator
- Expand Polynomials Calculator
- FOIL Calculator
- Factoring Calculator
- Factoring Trinomials Calculator
- Function Composition Calculator
- Generic Rectangle Calculator
- Graphing Inequalities Calculator
- Graphing Quadratic Inequalities Calculator
- Inequality Solver
- Inequality to Interval Notation Calculator
- Inverse Variation Calculator
- Line Equation from Two Points Calculator
- Linear Combination Calculator
- Multiplying Binomials Calculator
- Multiplying Polynomials Calculator
- Parabola Calculator
- Parallel Line Calculator
- Partial Fraction Decomposition Calculator
- Perfect Square Trinomial Calculator
- Perpendicular Line Calculator
- Point Slope Form Calculator
- Polynomial Graphing Calculator
- Quadratic Formula Calculator
- Radical Equation Solver
- Radical Simplifier
- Rational Zeros Calculator
- Reverse FOIL Calculator
- Slope Calculator
- Slope Intercept Form Calculator
- Square of a Binomial Calculator
- Standard Form to Slope Intercept Calculator
- Substitution Method Calculator
- Synthetic Division Calculator
- System of Equations Calculator
- Vertex Form Calculator
- Y-Intercept Calculator
Arithmetic & Number Theory Calculators
52 tools- Absolute Change Calculator
- Absolute Value Calculator
- Addition Calculator
- Chinese Remainder Theorem Calculator
- Chinese Remainder Theorem Solver
- Compatible Numbers Calculator
- Consecutive Integers Calculator
- Cube Root Calculator
- Decimal Calculator
- Digit Sum Calculator
- Digital Root Calculator
- Divisibility Test Calculator
- Double Factorial Calculator
- Euler's Totient Function Calculator
- Exponent Calculator
- Extended Euclidean Algorithm Calculator
- Factor Calculator
- Factorial Calculator
- Fermat's Little Theorem Calculator
- Fibonacci Calculator
- Floor Division Calculator
- GCF Calculator (Greatest Common Factor)
- GCF and LCM Calculator
- Integer Calculator
- Inverse Modulo Calculator
- Long Addition Calculator
- Long Division Calculator
- Long Multiplication Calculator
- Modular Multiplicative Inverse Calculator
- Modulo Calculator
- Multiplication Calculator
- Multiplicative Inverse Calculator
- Multiplicative Inverse Modulo Calculator
- Perfect Cube Calculator
- Perfect Square Calculator
- Power Mod Calculator
- Power of 2 Calculator
- Powers of i Calculator
- Prime Factorization Calculator
- Prime Number Calculator
- Quotient Calculator
- Radical Calculator
- Rationalize Denominator Calculator
- Reciprocal Calculator
- Relatively Prime Calculator
- Remainder Calculator
- Simplifying Radicals Calculator
- Square Root Calculator
- Subtraction Calculator
- Sum of Cubes Calculator
- Triangular Numbers Calculator
- Vedic Multiplication Calculator
Basic & Scientific Calculators
8 toolsCalculus Calculators
41 tools- Arc Length Calculator (Calculus)
- Area Between Curves Calculator
- Area Under Curve Calculator
- Average Rate of Change Calculator
- Chain Rule Calculator
- Chain Rule Derivative Calculator
- Convolution Calculator
- Critical Points Calculator
- Definite Integral Calculator
- Derivative Calculator
- Differential Equation Solver
- Directional Derivative Calculator
- Divergence Calculator
- Double Integral Calculator
- Fourier Series Calculator
- Horizontal Tangent Line Calculator
- Implicit Differentiation Calculator
- Indefinite Integral Calculator
- Inflection Point Calculator
- Integral Calculator
- Integration by Parts Calculator
- Inverse Laplace Transform Calculator
- Laplace Transform Calculator
- Limit Calculator
- Limit Definition Calculator
- Maclaurin Series Calculator
- Maxima and Minima Calculator
- Newton's Method Calculator
- Partial Derivative Calculator
- Product Rule Calculator
- Quotient Rule Calculator
- Riemann Sum Calculator
- Romberg Integration Calculator
- Separable Differential Equation Calculator
- Series Convergence Calculator
- Simpson's Rule Calculator
- Summation Calculator (Sigma)
- Surface of Revolution Calculator
- Taylor Series Calculator
- Triple Integral Calculator
- Volume of Revolution Calculator
Coordinate Geometry Calculators
20 tools- Dilation Calculator
- Distance Calculator (2D)
- Distance Calculator (3D)
- Distance from Point to Line Calculator
- Distance from Point to Plane Calculator
- Endpoint Calculator
- Gradient Calculator
- Intersection of Two Lines Calculator
- Line of Intersection of Two Planes Calculator
- Midpoint Calculator
- Parallel Line Through a Point Calculator
- Perpendicular Line Through a Point Calculator
- Ratios of Directed Line Segments Calculator
- Reflection Calculator
- Rise Over Run Calculator
- Rotation Calculator
- Shoelace Formula Calculator
- Slope Percentage Calculator
- Translation Calculator
- Triangulation Calculator
Everyday Math Calculators
31 tools- Age Calculator
- Aspect Ratio Calculator
- BTU Calculator
- Binary Code Translator
- Board Foot Calculator
- College GPA Calculator
- Concrete Calculator
- Cubic Feet Calculator
- Cubic Yard Calculator
- Date Calculator
- Days Between Dates Calculator
- Electricity Cost Calculator
- Final Grade Calculator
- Fuel Cost Calculator
- GPA Calculator
- Gas Mileage Calculator (MPG)
- Grade Calculator
- Gravel Calculator
- Hours Calculator
- Number to Words Converter
- Paint Calculator
- Population Growth Rate Calculator
- Proportion Solver
- Roman Numeral Converter
- Scale Calculator
- Speed Distance Time Calculator
- Square Footage Calculator
- Test Grade Calculator
- Time Calculator
- Unit Price Calculator
- Wallpaper Calculator
Fractions Calculators
22 tools- Adding Fractions Calculator
- Comparing Fractions Calculator
- Cross Multiplication Calculator
- Decimal to Fraction Calculator
- Dividing Fractions Calculator
- Egyptian Fractions Calculator
- Equivalent Fractions Calculator
- Fraction Calculator
- Fraction Exponent Calculator
- Fraction to Decimal Calculator
- Golden Ratio Calculator
- Improper Fraction to Mixed Number Calculator
- LCD Calculator (Least Common Denominator)
- Lowest Term Calculator
- Mixed Number Calculator
- Mixed Number to Improper Fraction Calculator
- Multiplying Fractions Calculator
- Proportion Calculator
- Ratio Calculator
- Simplify Fractions Calculator
- Subtracting Fractions Calculator
- Unit Rate Calculator
Interpolation & Approximation Calculators
9 toolsLinear Algebra Calculators
33 tools- Adjoint Matrix Calculator
- Characteristic Polynomial Calculator
- Cholesky Decomposition Calculator
- Cofactor Expansion Calculator
- Cofactor Matrix Calculator
- Column Space Calculator
- Condition Number Calculator
- Diagonalize Matrix Calculator
- Eigenvalue and Eigenvector Calculator
- Gauss-Jacobi Iterative Method Calculator
- Gauss-Jordan Elimination Calculator
- Gram-Schmidt Calculator
- Hadamard Product Calculator
- Inverse Matrix Calculator
- LU Decomposition Calculator
- Linear Independence Calculator
- Matrix Addition and Subtraction Calculator
- Matrix Determinant Calculator
- Matrix Multiplication Calculator
- Matrix Norm Calculator
- Matrix Power Calculator
- Matrix Rank Calculator
- Matrix Trace Calculator
- Matrix Transpose Calculator
- Matrix by Scalar Calculator
- Null Space Calculator
- Polar Decomposition Calculator
- Pseudoinverse Calculator
- QR Decomposition Calculator
- Row Echelon Form Calculator
- SVD Calculator (Singular Value Decomposition)
- Singular Values Calculator
- Tensor Product Calculator
Logarithms & Exponentials Calculators
11 toolsNotation & Rounding Calculators
12 tools- Expanded Form Calculator
- Order of Magnitude Calculator
- Place Value Calculator
- Polish Notation Converter
- Round to Nearest Hundredth Calculator
- Round to Nearest Tenth Calculator
- Round to Nearest Thousand Calculator
- Round to Nearest Whole Number Calculator
- Rounding Calculator
- Scientific Notation Calculator
- Significant Figures Calculator
- Standard Form Calculator
Number Systems Calculators
18 tools- ASCII to Binary Converter
- Base Calculator
- Binary Calculator
- Binary to ASCII Converter
- Binary to Decimal Converter
- Binary to Hex Converter
- Binary to Octal Converter
- Binary to Text Converter
- Decimal to Binary Converter
- Decimal to Hex Converter
- Decimal to Octal Converter
- Hex Calculator
- Hex to Binary Converter
- Hex to Decimal Converter
- Number Base Converter
- Octal Calculator
- Octal to Decimal Converter
- Text to Binary Converter
Percentages Calculators
20 tools- Average Percentage Calculator
- Decimal to Percent Converter
- Discount Calculator
- Doubling Time Calculator
- Fraction to Percent Calculator
- Markup Calculator
- Percent Error Calculator
- Percent to Decimal Calculator
- Percent to Fraction Calculator
- Percent to Goal Calculator
- Percentage Calculator
- Percentage Change Calculator
- Percentage Decrease Calculator
- Percentage Difference Calculator
- Percentage Error Calculator
- Percentage Increase Calculator
- Percentage Point Calculator
- Percentage of a Percentage Calculator
- Relative Change Calculator
- Tip Calculator
Probability Calculators
28 tools- Bayes' Theorem Calculator
- Binomial Coefficient Calculator
- Binomial Distribution Calculator
- Birthday Paradox Calculator
- Card Probability Calculator
- Coin Flip Probability Calculator
- Combination Calculator
- Conditional Probability Calculator
- Dice Probability Calculator
- Expected Value Calculator
- Exponential Distribution Calculator
- Fundamental Counting Principle Calculator
- Geometric Distribution Calculator
- Lottery Odds Calculator
- Permutation Calculator
- Permutation and Combination Calculator
- Poisson Distribution Calculator
- Power Set Calculator
- Probability Calculator
- Probability Distribution Calculator
- Set Builder Notation Calculator
- Set Theory Calculator
- Subset Calculator
- Truth Table Generator
- Uniform Distribution Calculator
- Union and Intersection Calculator
- Venn Diagram Calculator
- Venn Diagram Generator (3 Sets)
Random & Generators Calculators
13 toolsSequences & Series Calculators
13 tools- Arithmetic Sequence Calculator
- Arithmetic Series Calculator
- Fibonacci Sequence Calculator
- Geometric Sequence Calculator
- Geometric Series Calculator
- Infinite Series Calculator
- Number Sequence Calculator
- Partial Sum Calculator
- Power Series Calculator
- Recursive Sequence Calculator
- Sigma Notation Calculator
- Sum of Series Calculator
- Telescoping Series Calculator
Special Functions Calculators
15 tools- Bessel Function Calculator
- Beta Function Calculator
- Complementary Error Function Calculator
- Complex Number to Polar Form Calculator
- Complex Number to Rectangular Form Calculator
- Complex Root Calculator
- Continued Fraction Calculator
- Dijkstra Shortest Path Calculator
- Error Function Calculator (erf)
- Euler's Number Calculator
- Exponential Integral Calculator
- Gamma Function Calculator
- Magic Square Calculator
- Pi Calculator
- Quaternion Calculator
Statistics Calculators
53 tools- ANOVA Calculator
- Average Calculator
- Box Plot Calculator
- Box and Whisker Plot Maker
- Central Limit Theorem Calculator
- Chebyshev's Theorem Calculator
- Chi-Square Calculator
- Coefficient of Variation Calculator
- Cohen's d Calculator
- Confidence Interval Calculator
- Correlation Coefficient Calculator
- Cumulative Frequency Calculator
- Effect Size Calculator (Cohen's d)
- Empirical Rule Calculator
- F-Test Calculator
- Five Number Summary Calculator
- Frequency Distribution Calculator
- Geometric Mean Calculator
- Harmonic Mean Calculator
- Histogram Calculator
- Interquartile Range (IQR) Calculator
- Kurtosis Calculator
- Least Squares Regression Calculator
- Mann-Whitney U Test Calculator
- Margin of Error Calculator
- Mean Absolute Deviation Calculator
- Mean Calculator
- Mean Median Mode Range Calculator
- Median Calculator
- Mode Calculator
- Odds Ratio Calculator
- Outlier Calculator
- P-Value Calculator
- Percentile Calculator
- Percentile Rank Calculator
- Quartile Calculator
- R-Squared Calculator
- Range Calculator
- Regression Calculator
- Relative Frequency Calculator
- Root Mean Square Calculator
- Sample Size Calculator
- Scatter Plot Calculator
- Scatter Plot Generator
- Skewness Calculator
- Spearman Rank Correlation Calculator
- Standard Deviation Calculator
- Standard Error Calculator
- Statistics Calculator (Descriptive)
- Stem and Leaf Plot Calculator
- T-Test Calculator
- Variance Calculator
- Weighted Average Calculator
Trigonometry Calculators
25 tools- Arccos Calculator (Inverse Cosine)
- Arcsin Calculator (Inverse Sine)
- Arctan Calculator (Inverse Tangent)
- Cofunction Calculator
- Cosecant Calculator (csc)
- Cosine Calculator (cos)
- Cotangent Calculator (cot)
- Degrees to Radians Calculator
- Double Angle Formula Calculator
- Half Angle Calculator
- Hyperbolic Functions Calculator
- Inverse Trigonometric Functions Calculator
- Law of Cosines Calculator
- Law of Sines Calculator
- Phase Shift Calculator
- Power Reducing Calculator
- Radians to Degrees Calculator
- Secant Calculator (sec)
- Sine Calculator (sin)
- Sum and Difference Identities Calculator
- Tangent Calculator (tan)
- Trig Identities Calculator
- Trigonometric Functions Calculator
- Trigonometry Calculator (Right Triangle)
- Unit Circle Calculator
Vectors & Coordinates Calculators
14 tools- Coordinate Grid Calculator
- Cosine Similarity Calculator
- Cross Product Calculator
- Cylindrical Coordinates Calculator
- Dot Product Calculator
- Manhattan Distance Calculator
- Polar Coordinates Calculator
- Spherical Coordinates Calculator
- Unit Vector Calculator
- Vector Addition Calculator
- Vector Calculator
- Vector Direction Calculator
- Vector Magnitude Calculator
- Vector Projection Calculator