Maths is always daunting, there’s no way around it. But thanks to our collection of maths calculators, everyone can perform and understand useful mathematical calculations in seconds. Are you scared of trigonometry? Do you think geometry is “too complicated”? Fear not! Omni Calculator has your back, with a comprehensive array of calculators designed so that people with any level of mathematical knowledge can solve complex problems effortlessly. We have all sorts of triangle calculators, polygon calculators, perimeter, area, volume, trigonometric functions, algebra, percentages… You name it, we have it! In addition to the top-notch mathematical calculators, we include accurate yet straightforward descriptions of mathematical concepts to shine some light on the complex problems you never seemed to understand

Read more- Average Percentage Calculator
- Fraction to Percent Calculator
- Decimal to Percent Converter
- Doubling Time Calculator
- Percentage Calculator
- Percentage Change Calculator
- Percentage Decrease Calculator
- Percentage Difference Calculator
- Percentage Increase Calculator
- Percentage Increase Classic
- Percentage of a Percentage Calculator
- Percentage Point Calculator
- Percent Error Calculator
- Time Percentage Calculator
- Percent to Goal Calculator
- Relative Change Calculator
- Slope Percentage Calculator

- Absolute Value Equation Calculator
- Absolute Value Inequalities Calculator
- Adding and Subtracting Polynomials Calculator
- Bessel Function Calculator
- Binomial Coefficient Calculator
- Box Method Calculator
- Completing the Square Calculator
- Complex Conjugate Calculator
- Complex Number Calculator
- Complex Root Calculator
- Cubic Equation Calculator
- Descartes' Rule of Signs Calculator
- Diamond Problem Calculator
- Direct Variation Calculator
- Discriminant Calculator
- Elimination Method Calculator
- Error Function Calculator
- Factoring Trinomials Calculator
- FOIL Calculator
- Gamma Function Calculator
- Generic Rectangle Calculator
- Graphing Inequalities on a Number Line Calculator
- Graphing Quadratic Inequalities Calculator
- Hyperbolic Functions Calculator
- Inequality to Interval Notation Calculator
- Interval Notation Calculator
- Inverse Variation Calculator
- Multiplying Binomials Calculator
- Multiplying Polynomials Calculator
- Partial Fraction Decomposition Calculator
- Perfect Square Trinomial Calculator
- Polynomial Division Calculator
- Power Set Calculator
- Quadratic Formula Calculator
- Quaternion Calculator
- Rational Zeros Calculator
- Subset Calculator
- Substitution Method Calculator
- Synthetic Division Calculator
- System of Equations Calculator
- Union and Intersection Calculator

- Absolute Change Calculator
- Absolute Value Calculator
- Adding and Subtracting Fractions Calculator
- Addition Calculator
- Associative Property Calculator
- Average Calculator
- Ceiling Function Calculator
- Chinese Remainder Theorem Calculator
- Compatible Numbers Calculator
- Consecutive Integers Calculator
- Cross Multiplication Calculator
- Cube Root Calculator
- Decimal Calculator
- Digital Root Calculator
- Distributive Property Calculator
- Divisibility Test Calculator
- Egyptian Fractions Calculator
- Expanded Form Calculator
- Factor Calculator
- Factorial Calculator
- Fermat's Little Theorem Calculator
- Floor Function Calculator
- Fundamental Counting Principle Calculator
- GCF Calculator – Greatest Common Factor
- GCF and LCM Calculator
- Geometric Mean Calculator
- Greater Than Or Less Than Calculator
- Harmonic Mean Calculator
- Integer Calculator
- Inverse Modulo Calculator
- LCM Calculator - Least Common Multiple
- Long Addition Calculator
- Long Division Calculator
- Long Multiplication Calculator
- Long Subtraction Calculator
- Magic Square Calculator
- Mean Calculator
- Modulo Calculator
- Multiplication Calculator
- Multiplicative Inverse Calculator
- Multiplicative Inverse Modulo Calculator
- Order of Magnitude Calculator
- Partial Products Calculator
- Perfect Cube Calculator
- Perfect Square Calculator
- Pi Experiments Calculator
- Place Value Calculator
- Polish Notation Converter
- Power Mod 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
- Reverse FOIL Calculator
- Root Calculator
- Root Mean Square Calculator
- Rounding Numbers Calculator
- Round to the Nearest Thousand Calculator
- Scientific Notation Calculator
- Set Builder Calculator
- Significant Figures Calculator – Sig Fig
- Simplifying Radicals Calculator
- Square Root Calculator
- Standard Form Calculator
- Subtracting Fractions Calculator
- Subtraction Calculator
- Digit Sum Calculator
- Sum of Products Calculator
- Terminating Decimals Calculator
- Triangular Numbers Calculator
- Weighted Average Calculator

- Average Rate of Change Calculator
- Bilinear Interpolation Calculator
- Catenary Curve Calculator
- Coordinate Grid Calculator
- Cosine Similarity Calculator
- Cross Product Calculator
- Cylindrical Coordinates Calculator
- Direction of the Vector Calculator
- Distance Calculator
- Distance from Point to Plane Calculator
- Dot Product Calculator
- Endpoint Calculator
- Equation of a Sphere Calculator
- Gradient Calculator
- Intersection of Two Lines Calculator
- Irregular Polygon Area Calculator
- Latus Rectum Calculator
- Least Squares Regression Line Calculator
- Linear Interpolation Calculator
- Line Equation from Two Points Calculator
- Line of Intersection of Two Planes Calculator
- Manhattan Distance Calculator
- Midpoint Calculator
- Parabola Calculator
- Parallel Line Calculator
- Perpendicular Line Calculator
- Point Slope Form Calculator
- Polar Coordinates Calculator
- Polynomial Graphing Calculator
- Ratios of Directed Line Segments Calculator
- Rise Over Run Calculator
- Rotation Calculator
- Scatter Plot Calculator
- Slope Calculator
- Slope Intercept Form Calculator
- Spherical Coordinates Calculator
- Standard Form to Slope Intercept Form Calculator
- Three-Dimensional Distance Calculator
- Triangulation Calculator
- Unit Vector Calculator
- Vector Calculator
- Vector Addition Calculator
- Vector Magnitude Calculator
- Vector Projection Calculator
- Vertex Form Calculator
- Volume of a Parallelepiped Calculator
- y Intercept Calculator

- Adding Fractions Calculator
- Comparing Fractions Calculator
- Decimal to Fraction Calculator
- Dividing Fractions Calculator
- Equivalent Fractions Calculator
- Fraction Calculator
- Fraction Exponent Calculator
- Fraction To Decimal Converter
- 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
- Unit Rate Calculator

- Adjoint Matrix Calculator
- Characteristic Polynomial Calculator
- Cholesky Decomposition Calculator
- Cofactor Expansion Calculator
- Cofactor Matrix Calculator
- Column Space Calculator
- Condition Number Calculator
- Corner Point Calculator
- Cramer's Rule Calculator
- Diagonalize Matrix Calculator
- Eigenvalue and Eigenvector Calculator
- Gauss-Jordan Elimination Calculator
- Gram-Schmidt Calculator
- Hadamard Product Calculator
- Inverse Matrix Calculator
- Linear Combination Calculator
- Linear Independence Calculator
- LU Decomposition Calculator
- Matrix Calculator
- Matrix Addition And Subtraction Calculator
- Matrix by Scalar Calculator
- Matrix Determinant Calculator
- Matrix Multiplication Calculator
- Matrix Norm Calculator
- Matrix Power Calculator
- Matrix Rank Calculator
- Matrix Trace Calculator
- Matrix Transpose Calculator
- Null Space Calculator
- Polar Decomposition Calculator
- Pseudoinverse Calculator
- QR Decomposition Calculator
- (Reduced) Row Echelon Form Calculator
- Singular Values Calculator
- SVD Calculator
- Tensor Product Calculator

- Arccos Calculator (Inverse Cosine)
- Arcsin Calculator (Inverse Sine)
- Arctan Calculator (Inverse Tangent)
- Cofunction Calculator
- Cosecant Calculator
- Cosine Calculator
- Cotangent Calculator
- Double Angle Formula Calculator
- Half Angle Calculator
- Inverse Trigonometric Functions Calculator
- Law of Cosines Calculator
- Law of Sines Calculator
- Phase Shift Calculator
- Power Reducing Calculator
- Secant Calculator
- Sine Calculator
- Sum And Difference Identities Calculator
- Tangent Calculator
- Trig Identities Calculator
- Trigonometric Functions Calculator
- Trigonometry Calculator
- Unit Circle Calculator

- Area Calculator
- Area of a Rectangle Calculator
- Area of Crescent Calculator
- Center of Mass Calculator
- Centroid Calculator
- Conic Sections Calculator
- Cross-Sectional Area Calculator
- Cycloid Calculator
- Ellipse Calculator
- Golden Rectangle Calculator
- Hexagon Calculator
- Moment of Inertia Calculator
- Octagon Calculator
- Orthocenter Calculator
- Pentagon Calculator
- Perimeter Calculator
- Quadrilateral Calculator
- Polygon Calculator
- Segment Addition Postulate Calculator
- Segment Area Calculator
- Spiral Length Calculator
- Square Calc: find A, P, d
- Star Shape Calculator
- Trapezoid Calculator

- 30 60 90 Triangle Calculator
- 45 45 90 Triangle Calculator
- Area of a Right Triangle Calculator
- Circumscribed Circle Calculator
- Classifying Triangles Calculator
- Equilateral Triangle Calculator
- Heron's Formula Calculator
- Hypotenuse Calculator
- Isosceles Triangle Calculator
- Perimeter of a Triangle Calculator
- Pythagorean Theorem Calculator
- Pythagorean Triples Calculator
- Right Triangle Calculator
- Right Triangle Side and Angle Calculator
- Similar Triangles Calculator
- Special Right Triangles Calculator
- Triangle Angle Calculator
- Triangle Area Calculator
- Triangle Height Calculator
- Triangle Inequality Theorem Calculator

- Arc Length Calculator
- Area of a Circle Calculator
- Circle Calculator
- Circle Theorems Calculator
- Circumference Calculator
- Coin Rotation Paradox
- Equation of a Circle Calculator
- Sector Area Calculator
- Semicircle Area Calculator
- Square in a Circle Calculator
- String Girdling Earth Calculator
- Tangent of a Circle Calculator

- Surface Area of a Hemisphere Calculator
- Cube Calculator
- Cube Calc: find V, a, d
- Ellipsoid Volume Calculator
- Great Circle Calculator
- Lateral Area Trapezoidal Prism Calculator
- Pyramid Angle Calculator
- Pyramid Volume Calculator
- Rectangular Prism Calculator
- Right Circular Cone Calc: find A, V, A_L, A_B.
- Right Cylinder Calculator: find A, V, A_l, A_b
- Right Rectangular Pyramid Calc: find A, V, A_l, A_b
- Slant Height calculator
- Sphere Calc: find V, A, d
- Surface Area Calculator
- Surface Area of a Triangular Prism Calculator
- Surface Area to Volume Ratio Calculator
- Tetrahedron Volume Calculator
- Torus Surface Area Calculator
- Torus Volume Calculator
- Triangular Prism Calculator
- Volume Calculator
- Volume of a Hemisphere Calculator
- Volume of a Trapezoidal Prism Calculator

- Arithmetic Sequence Calculator
- Collatz Conjecture Calculator
- Convolution Calculator
- Fibonacci Calculator
- Geometric Sequence Calculator
- Harmonic Number Calculator
- Lagrange Error Bound Calculator
- Pascal's Triangle Calculator
- Sequence Calculator
- Sum of a Linear Number Sequence Calculator
- Sum of Series Calculator

- Antilog Calculator – Antilogarithm
- Change of Base Formula Calculator
- Condense Logarithms Calculator
- Dividing Exponents Calculator
- Dividing Radicals Calculator
- e Calculator | eˣ | e Raised to Power of x
- Expanding Logarithms Calculator
- Exponent Calculator
- Exponential Form Calculator
- Exponential Function Calculator
- Exponential Growth Calculator
- Log Calculator (Logarithm)
- Log Base 2 Calculator
- Multiplying Exponents Calculator
- Multiplying Radicals Calculator
- Natural Log Calculator
- Negative Log Calculator

- AND Calculator
- Binary Addition Calculator
- Binary Division Calculator
- Binary Fraction Converter
- Binary Multiplication Calculator
- Binary Calculator
- Binary Subtraction Calculator
- Bit Shift Calculator
- Bitwise Calculator
- NOR Calculator
- One's Complement Calculator
- OR Calculator
- Two's Complement Calculator
- XOR Calculator

- Babylonian Numbers Converter
- Cyclomatic Complexity Calculator
- Galileo's Paradox of Infinity Calculator
- Hilbert's Hotel Paradox Calculator
- Involute Function Calculator
- LFSR Calculator
- Luhn Algorithm Calculator
- Mayan Numerals Converter
- Miracle Calculator
- Potato Calculator
- Prisoner's Dilemma Calculator
- Queueing Theory Calculator
- RSA Calculator
- Ugly Duckling Theorem Calculator

Calculators you see below have a very close or identical functionality to other calculators, they exist only to make it easier for you to find them.

- 2D Distance Calculator
- 3 Sides Triangle Area Calculator
- AAA Triangle Calculator
- AAS Triangle Calculator
- ABC Triangle Calculator
- a+bi Form Calculator
- Acute Triangle Calculator
- Angle of Right Triangle Calculator
- Arcus Tangent Calculator
- Area of a Regular Polygon Calculator
- Area of a Sphere Calculator
- Area of a Square Calculator
- Area of a Trapezoid Calculator
- Area of an Oblique Triangle Calculator
- Area of an Obtuse Triangle Calculator
- Area of Quadrilateral Calculator
- Area of a Triangle SAS Calculator
- Area of Triangle with Coordinates Calculator
- ASA Triangle Calculator
- Base of a Triangle Calculator
- Center of a Circle Calculator
- Center of Ellipse Calculator
- Centroid of a Triangle Calculator
- Check Similarity in Right Triangles Calculator
- Circle Formula Calculator
- Circle Length Calculator
- Circle Measurements Calculator
- Circle Perimeter Calculator
- Circumcenter Calculator
- Circumference and Area of a Circle Calculator
- Circumference of a Cylinder Calculator
- Circumference to Diameter Calculator
- Common Denominator Calculator
- Common Factor Calculator
- Common Multiple Calculator
- Completing the Square Practice Math Problems and Examples
- Does completing the square always work for quadratic equations?
- Complex Number to Polar Form Calculator
- Complex Number to Rectangular Form Calculator
- Complex Number to Trigonometric Form Calculator
- Cone Volume Calculator
- Coordinate Distance Calculator
- Cos-1 Calculator
- Cos 2 Theta Calculator
- Cosh Calculator
- Cosine Triangle Calculator
- Cos Inverse 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
- Cylinder Volume Calculator
- Cylinder Volume Gallons Calculator
- Cylinder Volume Liters Calculator
- Decagon Calculator
- Decagon Area Calculator
- Decimal Degrees to Degrees Minutes Seconds Converter
- Degrees Minutes Seconds to Decimal Degrees Converter
- Diagonal of a Rectangle Calculator
- Diagonal of a Square Calculator
- Diameter of a Circle Calculator
- Diameter of a Cone Calculator
- Diameter of a Cylinder Calculator
- Diameter to Radius Calculator
- Dimensions of a Rectangle Calculator
- Distance Between Two Points Calculator
- Divide Complex Numbers Calculator
- Divisor Calculator
- Dodecagon Calculator
- Dodecagon Area Calculator
- Double Angle Calculator
- Double Angle Identities Calculator
- Ellipse Area Calculator
- Ellipse Circumference Calculator
- Ellipse Perimeter Calculator
- Ellipse Standard Form Calculator
- Engineering Notation Calculator
- Equation of a Circle with Diameter Endpoints Calculator
- Equilateral Triangle Area Calculator
- Equivalent Ratio Calculator
- Euclidean Algorithm Calculator
- Euclidean Distance Calculator
- Exact Value of Trig Functions Calculator
- Exponential Notation Calculator
- Exterior Angles of a Triangle Calculator
- Fifth Root Calculator
- Foci of an Ellipse Calculator
- Fourth Root Calculator
- Area of a Frustum of a Cone Calculator
- GCD Calculator
- General Form of the Equation of a Circle Calculator
- General to Standard Form of a Circle Calculator
- Greatest Common Denominator Calculator
- Greatest Common Divisor Calculator
- Greatest Common Factor Calculator
- Height of a Cone Calculator
- Height of a Cylinder Calculator
- Height of a Square Pyramid Calculator
- Heptagon Calculator
- Heptagon Area Calculator
- Hexagonal Pyramid Calculator
- Hexagonal Pyramid Surface Area Calculator
- Hollow Cylinder Volume Calculator
- Imaginary Number Calculator
- Inscribed Angle Calculator
- Integration by Completing the Square and Substitution
- Interior and Exterior Triangle Angles Calculator
- i Calculator
- Inverse Cosine Calculator
- Inverse Sine Calculator
- Inverse Tangent Calculator
- Irregular Trapezoid Area Calculator
- Is it a Right Triangle Calculator
- Is Modulo Multiplication and Addition Associative, Distributive, and Commutative?
- Isosceles Right Triangle Calculator
- Isosceles Right Triangle Hypotenuse Calculator
- Isosceles Trapezoid Calculator
- Isosceles Trapezoid Area Calculator
- Isosceles Triangle Angles Calculator
- Isosceles Triangle Area Calculator
- Isosceles Triangle Find A Calculator
- Isosceles Triangle Height Calculator
- Isosceles Triangle Side Calculator
- Kite Area Calculator
- Lateral Area of a Cone Calculator
- Lateral Surface of a Cylinder Calculator
- Least Common Denominator Calculator
- Least Common Factor Calculator
- Least Common Multiple Calculator
- Length and Width of a Rectangle Given Area Calculator
- Length and Width of a Rectangle given Perimeter Calculator
- Length of a Line Segment Calculator
- Length Of A Rectangle Calculator
- Lowest Common Denominator Calculator
- Math Power Calculator
- Midsegment of a Trapezoid Calculator
- Midsegment of a Triangle Calculator
- Missing Side of a Right Triangle Calculator
- Modulo in the Order of Operations
- Modulo Operations with Negative Numbers
- Multiply Complex Numbers Calculator
- Oblique Triangle Calculator
- Obtuse Triangle Calculator
- Parallelogram Area Calculator
- Parallelogram Perimeter Calculator
- Perimeter of a Polygon 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 Square Calculator
- Perimeter of a Triangle with Fractions Calculator
- Perimeter of a Triangle with Vertices Calculator
- Permutation and Combination Calculator
- Polar Form Calculator
- Polar to Cartesian Coordinates Calculator
- Polar to Rectangular Coordinates Calculator
- Polygon Angle Calculator
- Power Function Calculator
- Power of 10 Calculator
- Power of 2 Calculator
- Pythagoras Triangle Calculator
- Quarter Circle Calculator
- Quarter Circle Area Calculator
- Quarter Circle Perimeter Calculator
- Radius of a Circle Calculator
- Radius of a Cone Calculator
- Radius of a Cylinder Calculator
- Radius of a Sphere Calculator
- Rational Exponents Calculator
- Ratio of 2 Numbers Calculator
- Ratio of 3 Numbers Calculator
- Rectangle Diagonal Angle Calculator
- Rectangle Scale Factor Calculator
- Rectangular Pyramid Volume Calculator
- Rectangular to Polar Coordinates Calculator
- Rhombus Area Calculator
- Right Square Pyramid Calc: find A, A_l, V, A_F
- Right Trapezoid Calculator
- Right Trapezoid Area Calculator
- Right Triangle Trigonometry 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 Thousandth Calculator
- SAS Triangle Calculator
- Scalene Triangle Calculator
- Scalene Triangle Area Calculator
- Scientific Notation Converter
- Similar Right Triangles Calculator
- Simplify Ratio Calculator
- Sin-1 Calculator
- Sin 2 Theta Calculator
- Sin Degrees Calculator
- Sine Cosine Tangent Calculator
- Sine Function Calculator
- Sinh Calculator
- Sin Theta Calculator
- Sine Triangle Calculator
- Slant Height of a Cone Calculator
- Solve Similar Triangles Calculator
- Solving Quadratic Equations by Completing the Square
- Sphere Volume 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 Pyramid Calculator
- Square Pyramid Volume Calculator
- SSA Triangle Calculator
- SSS Triangle Calculator
- Standard Equation of a Circle Calculator
- Standard Form to General Form of a Circle Calculator
- Standard Notation Calculator
- Surface Area of a Cone Calculator
- Surface Area of a Cube Calculator
- Surface Area of a Cylinder 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
- Tan-1 Calculator
- Tangent Angle Calculator
- Tangent Ratio Calculator
- Tanh Calculator
- Tan Inverse Calculator
- Theta Calculator
- Trapezoid Angle Calculator
- Trapezoid Height Calculator
- Trapezoid Perimeter Calculator
- Trapezoid Side Calculator
- Triangle Congruence Calculator
- Triangle Degree Calculator
- Triangle Length Calculator
- Triangle Proportionality Theorem Calculator
- Triangle Ratio Calculator
- Triangle Scale Factor Calculator
- Triangle Side Calculator
- Triangle Side Angle Calculator
- Triangle Similarity Calculator
- Triangle Slope Calculator
- Triangle Sum Theorem Calculator
- Triangle Vertices Calculator
- Triangular Pyramid Volume Calculator
- Trig Calculator
- Trig Degree Calculator
- Trig Function Calculator
- Trig Triangle Calculator
- Truncated Cone Calculator
- Truncated Cone Volume Calculator
- Modulo Operator: Practical Uses in Arithmetics
- Volume of a Hexagonal Pyramid Calculator
- Volume of a Cube Calculator
- Volume of a Rectangular Prism Calculator
- Volume of a Triangular Prism Calculator
- Width of a Rectangle Calculator

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