Math Calculators
673 free math tools — instant answers, no signup.
From middle-school homework to advanced engineering work, our math calculators cover every operation you reach for: fractions, percentages, trigonometry, calculus, algebra, geometry, and the dozens of specialized formulas in between. Whether you need to solve a system of equations, compute a confidence interval, find the area of a trapezoid, or convert between bases, the right tool is one click away — with the step-by-step explanation if you want it.
2D Distance Calculator
3 Sides Triangle Area Calculator
30-60-90 Triangle Calculator
3D Distance Calculator
45 45 90 Triangle Calculator
AAA Triangle Calculator
AAS Triangle Calculator
ABC Triangle Calculator
AND Calculator
ASA Triangle Calculator
Absolute Change Calculator
Absolute Value Calculator
Absolute Value Equation Calculator
Absolute Value Inequalities Calculator
Acute Triangle Calculator
Adding Fractions Calculator
Adding and Subtracting Fractions Calculator
Adding and Subtracting Polynomials Calculator
Addition Calculator
Adjoint Matrix Calculator
Angle Between Two Vectors Calculator
Angle of Right Triangle Calculator
Antilog Calculator
Arc Length Calculator
Arccos Calculator
Arccos Calculator
Arcsin Calculator
Arctan Calculator
Arcus Tangent Calculator
Area Calculator
Area of Oblique Triangle Calculator
Area of Obtuse Triangle Calculator
Area of Quadrilateral Calculator
Area of Triangle SAS Calculator
Area of Triangle with Coordinates Calculator
Area of a Circle Calculator
Area of a Hemisphere Calculator
Area of a Sphere Calculator
Area of a Trapezoid Calculator
Arithmetic Sequence Calculator
Associative Property Calculator
Average Calculator
Average Percentage Calculator
Average Rate of Change Calculator
Babylonian Numbers Calculator
Base of a Triangle Calculator
Bessel Function Calculator
Bilinear Interpolation Calculator
Binary Addition Calculator
Binary Division Calculator
Binary Fraction Calculator
Binary Multiplication Calculator
Binary Operations Calculator
Binary Subtraction Calculator
Binomial Coefficient Calculator
Bit Shift Calculator
Bitwise Calculator
Box Method Calculator
Cartesian to Polar Coordinates Calculator
Catenary Curve Calculator
Ceiling Function Calculator
Center of Ellipse Calculator
Center of Mass Calculator
Central Angle Calculator
Centroid Calculator
Centroid of a Triangle Calculator
Change of Base Formula Calculator
Characteristic Polynomial Calculator
Chinese Remainder Theorem Calculator
Cholesky Decomposition Calculator
Chord Length Calculator
Circle Calculator
Circle Center Calculator
Circle Diameter Calculator
Circle Formula Calculator
Circle Length Calculator
Circle Measurements Calculator
Circle Perimeter Calculator
Circle Theorems Calculator
Circumcenter of a Triangle Calculator
Circumference Calculator
Circumference and Area of a Circle Calculator
Circumference to Diameter Calculator
Circumscribed Circle Calculator
Clock Angle Calculator
Cofactor Expansion Old Calculator
Cofactor Matrix Calculator
Cofunction Calculator
Coin Rotation Paradox Calculator
Collatz Conjecture Calculator
Column Space Calculator
Common Denominator Calculator
Common Factor Calculator
Common Multiple Calculator
Comparing Fractions Calculator
Compatible Numbers Calculator
Complementary Angles Calculator
Completing the Square Calculator
Completing the Square Calculator
Completing the Square Calculator
Completing the Square Works Calculator
Complex Conjugate Calculator
Complex Number Calculator
Complex Number Calculator
Complex Number to Polar Form Calculator
Complex Number to Rectangular Form Calculator
Complex Number to Trigonometric Form Calculator
Complex Root Calculator
Condense Logarithms Calculator
Condition Number Calculator
Cone Surface Area Calculator
Cone Volume Calculator
Conic Sections Calculator
Consecutive Integers Calculator
Convert Fraction to Percentage Calculator
Convolution Calculator
Coordinate Distance Calculator
Coordinate Grid Calculator
Corner Point Calculator
Cos 2 Theta Calculator
Cosecant Calculator
Cosh Calculator
Cosine Calculator
Cosine Similarity Calculator
Cosine Triangle Calculator
Cos⁻¹ Calculator
Cotangent Calculator
Coterminal Angle Calculator
Cramer's Rule Calculator
Crescent Area Calculator
Cross Multiplication Calculator
Cross Product Calculator
Cross-Sectional Area Calculator
Cube Calculator
Cube Calculator
Cube Root Calculator
Cube Volume Calculator
Cubic Equation Calculator
Cubic Feet of a Cylinder Calculator
Cubic Inches of a Cylinder Calculator
Cubic Yards in a Cylinder Calculator
Cuboid Calculator
Cuboid Surface Area Calculator
Cuboid Volume Calculator
Cycloid Calculator
Cyclomatic Complexity Calculator
Cylinder Circumference Calculator
Cylinder Diameter Calculator
Cylinder Volume Calculator
Cylinder Volume in Gallons Calculator
Cylinder Volume in Liters Calculator
Cylindrical Coordinates Calculator
Decagon Area Calculator
Decagon Calculator
Decimal Calculator
Decimal Degrees to Degrees Minutes Seconds Calculator
Decimal to Fraction Calculator
Decimal to Percent Calculator
Descartes' Rule of Signs Calculator
Diagonal of a Rectangle Calculator
Diagonalize Matrix Calculator
Diameter of a Cone Calculator
Diameter to Radius Calculator
Diamond Problem Calculator
Digital Root Calculator
Dimensions of a Rectangle Calculator
Direct Variation Calculator
Discriminant Calculator
Distance Between Two Points Calculator
Distance Calculator
Distance from Point to Plane Calculator
Distributive Property Old Calculator
Divide Complex Numbers Calculator
Divide Fractions Calculator
Dividing Exponents Calculator
Dividing Radicals Calculator
Divisibility Test Calculator
Divisor Calculator
Dodecagon Area Calculator
Dodecagon Calculator
Dot Product Calculator
Double Angle Calculator
Double Angle Formula Calculator
Double Angle Identities Calculator
Doubling Time Calculator
Egyptian Fraction Calculator
Eigenvalue and Eigenvector Calculator
Elimination Method Calculator
Ellipse Area Calculator
Ellipse Calculator
Ellipse Circumference Calculator
Ellipse Perimeter Calculator
Ellipse Standard Form Calculator
Ellipsoid Volume Calculator
Endpoint Calculator
Engineering Notation Calculator
Equation of a Circle Calculator
Equation of a Circle with Diameter Endpoints Calculator
Equilateral Triangle Area Calculator
Equilateral Triangle Calculator
Equivalent Fractions Calculator
Equivalent Ratio Calculator
Error Function Calculator
Euclidean Algorithm Calculator
Euclidean Distance Calculator
Exact Value of Trig Functions Calculator
Expanded Form Calculator
Expanding Logarithms Calculator
Exponent Calculator
Exponential Form Calculator
Exponential Function Calculator
Exponential Growth Calculator
Exponential Notation Calculator
Exterior Angles of a Triangle Calculator
FOIL Calculator
Factor Calculator
Factorial Calculator
Factoring Trinomials Calculator
Factoring Trinomials Calculator
Fermat's Little Theorem Calculator
Fibonacci Calculator
Fifth Root Calculator
Floor Division Calculator
Floor Function Calculator
Foci of an Ellipse Calculator
Fourth Root Calculator
Fraction Calculator
Fraction to Decimal Calculator
Fractional Exponent Calculator
Frustum of a Cone Area Calculator
Fundamental Counting Principle Calculator
GCD Calculator
GCF Calculator
GCF and LCM Calculator
Galileo's Paradox of Infinity Calculator
Gamma Function Calculator
Gauss Jordan Elimination Calculator
General Form of the Equation of a Circle Calculator
General to Standard Form of a Circle Calculator
Geometric Mean Calculator
Geometric Sequence Calculator
Golden Ratio Calculator
Golden Rectangle Calculator
Gradient Calculator
Gram-Schmidt Calculator
Graphing Inequalities on a Number Line Calculator
Graphing Quadratic Inequalities Calculator
Great Circle Calculator
Greater Than or Less Than Calculator
Greatest Common Denominator Calculator
Greatest Common Divisor Calculator
Greatest Common Factor Calculator
Hadamard Product Calculator
Half-Angle Calculator
Harmonic Mean Calculator
Harmonic Number Calculator
Height of a Cone Calculator
Height of a Cylinder Calculator
Height of a Square Pyramid Calculator
Heptagon Area Calculator
Heptagon Calculator
Heron's Formula Calculator
Hexagon Calculator
Hexagonal Pyramid Calculator
Hexagonal Pyramid Surface Area Calculator
Hilbert's Hotel Paradox Calculator
Hollow Cylinder Volume Calculator
Hyperbolic Functions Calculator
Hypotenuse Calculator
Improper Fraction to Mixed Number Calculator
Inequality to Interval Notation Calculator
Inscribed Angle Calculator
Integer Calculator
Integration by Completing the Square Calculator
Interior and Exterior Triangle Angles Calculator
Intersection of Two Lines Calculator
Interval Notation Calculator
Inverse Cosine Calculator
Inverse Modulo Calculator
Inverse Sine Calculator
Inverse Tangent Calculator
Inverse Trigonometric Functions Calculator
Inverse Variation Calculator
Involute Function Calculator
Irregular Polygon Area Calculator
Irregular Trapezoid Area Calculator
Isosceles Right Triangle Calculator
Isosceles Right Triangle Hypotenuse Calculator
Isosceles Trapezoid Area Calculator
Isosceles Trapezoid Calculator
Isosceles Triangle Angles Calculator
Isosceles Triangle Area Calculator
Isosceles Triangle Base Calculator
Isosceles Triangle Calculator
Isosceles Triangle Height Calculator
Isosceles Triangle Side Calculator
Kite Area Calculator
LCD Calculator
LCM Calculator
LU Decomposition Calculator
Lagrange Error Bound Calculator
Lateral Area Trapezoidal Prism Calculator
Lateral Area of a Cone Calculator
Lateral Surface Area of a Cylinder Calculator
Latus Rectum Calculator
Law of Cosines Calculator
Law of Sines Calculator
Least Common Denominator Calculator
Least Common Multiple Calculator
Least Common Multiple Calculator
Least Squares Regression Calculator
Length and Width of Rectangle Given Area Calculator
Length and Width of Rectangle Given Perimeter Calculator
Length of a Rectangle Calculator
Line Equation from Two Points Calculator
Line Segment Length Calculator
Line of Intersection of Two Planes Calculator
Linear Combination Calculator
Linear Feedback Shift Register Calculator
Linear Independence Calculator
Linear Interpolation Calculator
Log Base 2 Calculator
Log Calculator
Long Addition Calculator
Long Division Calculator
Long Multiplication Calculator
Long Subtraction Calculator
Lowest Common Denominator Calculator
Lowest Term Calculator
Luhn Algorithm Calculator
Magic Square Calculator
Manhattan Distance Calculator
Math Power Calculator
Matrix Addition and Subtraction Calculator
Matrix Calculator
Matrix Determinant Calculator
Matrix Inverse Calculator
Matrix Multiplication Calculator
Matrix Norm Calculator
Matrix Power Calculator
Matrix Rank Calculator
Matrix Trace Calculator
Matrix Transpose Calculator
Matrix by Scalar Calculator
Mayan Numeral Calculator
Mean Calculator
Midpoint Calculator
Midsegment of a Triangle Calculator
Minutes to Decimal Degrees Calculator
Miracle Calculator
Missing Side of a Right Triangle Calculator
Mixed Number Calculator
Mixed Number to Improper Fraction Calculator
Modulo Associativity Calculator
Modulo Calculator
Modulo in Order of Operations Calculator
Modulo of Negative Numbers Calculator
Moment of Inertia Calculator
Multiplication Calculator
Multiplicative Inverse Calculator
Multiplicative Inverse Modulo Calculator
Multiply Complex Numbers Calculator
Multiplying Binomials Calculator
Multiplying Exponents Calculator
Multiplying Fractions Calculator
Multiplying Polynomials Calculator
Multiplying Radicals Calculator
Multiplying Scientific Notation Calculator
Möbius Strip Calculator
NOR Calculator
Natural Logarithm Calculator
Negative Log Calculator
Null Space Calculator
OR Calculator
Oblique Triangle Calculator
Obtuse Triangle Calculator
Octagon Calculator
One's Complement Calculator
Order of Magnitude Calculator
Orthocenter Calculator
Parabola Calculator
Parallel Line Calculator
Parallelogram Area Calculator
Parallelogram Perimeter Calculator
Partial Fraction Decomposition Calculator
Partial Products Old Calculator
Pascal's Triangle Calculator
Pentagon Calculator
Percent Error Calculator
Percent Time Calculator
Percent to Goal Calculator
Percentage Calculator
Percentage Change Calculator
Percentage Decrease Calculator
Percentage Difference Calculator
Percentage Increase Calculator
Percentage Point Calculator
Percentage of a Percentage Calculator
Perfect Cube Calculator
Perfect Square Calculator
Perfect Square Trinomial Calculator
Perimeter Calculator
Perimeter of a Quadrilateral Calculator
Perimeter of a Rectangle Calculator
Perimeter of a Rectangle with Given Area Calculator
Perimeter of a Right Triangle Calculator
Perimeter of a Sector Calculator
Perimeter of a Triangle with Fractions Calculator
Perimeter of a Triangle with Vertices Calculator
Permutation and Combination Calculator
Perpendicular Line Calculator
Phase Shift Calculator
Pi Experiments Calculator
Place Value Calculator
Point-Slope Form Calculator
Polar Decomposition Calculator
Polar Form Calculator
Polar to Cartesian Coordinates Calculator
Polar to Rectangular Coordinates Calculator
Polish Notation Calculator
Polygon Angle Calculator
Polynomial Division Calculator
Polynomial Graphing Calculator
Potato Paradox Calculator
Power Function Calculator
Power Modulo Calculator
Power Reducing Calculator
Power Set Calculator
Power of 10 Calculator
Power of 2 Calculator
Power of a Power Calculator
Powers of i Calculator
Prime Factorization Calculator
Prime Number Calculator
Prisoners Dilemma Calculator
Proportion Calculator
Pseudoinverse Calculator
Pyramid Angle Calculator
Pyramid Volume Calculator
Pythagoras Triangle Calculator
Pythagorean Theorem Calculator
Pythagorean Triples Calculator
Qr Decomposition Calculator
Quadratic Formula Calculator
Quadrilateral Area Calculator
Quarter Circle Area Calculator
Quarter Circle Calculator
Quarter Circle Perimeter Calculator
Quaternion Calculator
Queueing Theory Calculator
Quotient Calculator
RSA Calculator
Radical Calculator
Radius of a Circle Calculator
Radius of a Cone Calculator
Radius of a Cylinder Calculator
Radius of a Sphere Calculator
Ratio Calculator
Ratio of 2 Numbers Calculator
Ratio of 3 Numbers Calculator
Rational Exponents Calculator
Rational Zeros Calculator
Rationalize Denominator Calculator
Ratios of Directed Line Segments Calculator
Reciprocal Calculator
Rectangle Calculator
Rectangle Diagonal Angle Calculator
Rectangle Scale Factor Calculator
Rectangular Prism Calculator
Rectangular Prism Volume Calculator
Rectangular Pyramid Volume Calculator
Rectangular to Polar Coordinates Calculator
Reference Angle Calculator
Regular Polygon Area Calculator
Regular Polygon Calculator
Regular Polygon Perimeter Calculator
Relative Change Calculator
Relatively Prime Calculator
Remainder Calculator
Reverse FOIL Calculator
Rhombus Area Calculator
Right Circular Cone Calculator
Right Cylinder Calculator
Right Rectangular Pyramid Calculator
Right Square Pyramid Calculator
Right Trapezoid Area Calculator
Right Trapezoid Calculator
Right Triangle Area Calculator
Right Triangle Calculator
Right Triangle Checker
Right Triangle Side and Angle Calculator
Right Triangle Similarity Calculator
Right Triangle Trigonometry Calculator
Rise Over Run Calculator
Root Calculator
Root Mean Square Calculator
Rotation Calculator
Round to the Nearest Cent Calculator
Round to the Nearest Dollar Calculator
Round to the Nearest Hundred Calculator
Round to the Nearest Hundredth Calculator
Round to the Nearest Integer Calculator
Round to the Nearest Penny Calculator
Round to the Nearest Ten Calculator
Round to the Nearest Tenth Calculator
Round to the Nearest Thousand Calculator
Round to the Nearest Thousandth Calculator
Rounding Calculator
Row Echelon Form Calculator
SAS Triangle Calculator
SSA Triangle Calculator
SSS Triangle Calculator
SVD Calculator
Scalene Triangle Area Calculator
Scalene Triangle Calculator
Scatter Plot Calculator
Scientific Notation Calculator
Scientific Notation Converter Calculator
Scientific Notation Equation Calculator
Secant Calculator
Sector Area Calculator
Segment Addition Postulate Calculator
Segment Area Calculator
Semicircle Area Calculator
Sequence Calculator
Set Builder Calculator
Significant Figures Calculator
Similar Right Triangles Calculator
Similar Triangles Calculator
Similar Triangles Calculator
Simplify Cube Root Calculator
Simplify Fractions Calculator
Simplify Radicals Calculator
Simplify Ratio Calculator
Sin 2 Theta Calculator
Sin Degrees Calculator
Sin Theta Calculator
Sine Calculator
Sine Function Calculator
Sine Triangle Calculator
Sine, Cosine, and Tangent Calculator
Singular Values Calculator
Sinh Calculator
Sin⁻¹ Calculator
Slant Height Calculator
Slant Height of Cone Calculator
Slope Calculator
Slope Intercept Form Calculator
Slope Percentage Calculator
Special Right Triangles Calculator
Sphere Calculator
Sphere Equation Calculator
Sphere Volume Calculator
Spherical Coordinates Calculator
Spiral Length Calculator
Square Area Calculator
Square Calculator
Square Diagonal Calculator
Square Feet of a Rectangle Calculator
Square Feet of a Triangle Calculator
Square Footage of a Circle Calculator
Square Inches of a Circle Calculator
Square Perimeter Calculator
Square Pyramid Calculator
Square Pyramid Volume Calculator
Square Root Calculator
Square in a Circle Calculator
Square of a Binomial Calculator
Standard Equation of a Circle Calculator
Standard Form Calculator
Standard Form to Slope Intercept Form Calculator
Standard Notation Calculator
Standard to General Form Circle Calculator
Star Shape Calculator
String Girdling Calculator
Subset Calculator
Substitution Method Calculator
Subtracting Fractions Calculator
Subtraction Calculator
Sum Product Calculator
Sum and Difference Identities Calculator
Sum of Digits Calculator
Sum of Linear Number Sequence Calculator
Sum of Series Calculator
Supplementary Angles Calculator
Surface Area Calculator
Surface Area of Cylinder Calculator
Surface Area of a Cube Calculator
Surface Area of a Rectangle Calculator
Surface Area of a Rectangular Prism Calculator
Surface Area of a Rectangular Pyramid Calculator
Surface Area of a Square Pyramid Calculator
Surface Area of a Triangular Prism Calculator
Surface Area to Volume Ratio Calculator
Synthetic Division Calculator
Systems of Equations Calculator
Tan Inverse Calculator
Tan-1 Calculator
Tangent Angle Calculator
Tangent Calculator
Tangent Ratio Calculator
Tangent of a Circle Calculator
Tanh Calculator
Tensor Product Calculator
Terminating Decimals Calculator
Tetrahedron Volume Calculator
Theta Calculator
Torus Surface Area Calculator
Torus Volume Calculator
Trapezoid Angle Calculator
Trapezoid Calculator
Trapezoid Height Calculator
Trapezoid Midsegment Calculator
Trapezoid Perimeter Calculator
Trapezoid Side Calculator
Trapezoidal Prism Volume Calculator
Triangle Angle Calculator
Triangle Area Calculator
Triangle Classification Calculator
Triangle Congruence Calculator
Triangle Degree Calculator
Triangle Height Calculator
Triangle Inequality Calculator
Triangle Length Calculator
Triangle Perimeter Calculator
Triangle Proportionality Theorem Calculator
Triangle Ratio Calculator
Triangle Scale Factor Calculator
Triangle Side Angle Calculator
Triangle Side Calculator
Triangle Similarity Calculator
Triangle Slope Calculator
Triangle Sum Theorem Calculator
Triangle Vertices Calculator
Triangular Numbers Calculator
Triangular Prism Calculator
Triangular Pyramid Volume Calculator
Triangulation Calculator
Trig Calculator
Trig Triangle Calculator
Trigonometric Functions Calculator
Trigonometric Functions Calculator
Trigonometric Functions Calculator
Trigonometric Identities Calculator
Trigonometry Calculator
Truncated Cone Calculator
Truncated Cone Volume Calculator
Truth Table Calculator
Two's Complement Calculator
Ugly Duckling Theorem Calculator
Union and Intersection Calculator
Unit Circle Calculator
Unit Rate Calculator
Unit Vector Calculator
Uses of Modulo Calculator
Vector Addition Calculator
Vector Calculator
Vector Direction Calculator
Vector Magnitude Calculator
Vector Projection Calculator
Vertex Form Calculator
Volume Calculator
Volume of Hexagonal Pyramid Calculator
Volume of a Hemisphere Calculator
Volume of a Parallelepiped Calculator
Volume of a Triangular Prism Calculator
Weighted Average Calculator
Width of a Rectangle Calculator
XOR Calculator
Y-Intercept Calculator
a+bi Form Calculator
e Power x Calculator
i Number Calculator