Browse all math calculators.
Percentage of Number Calculator
Calculate what a given percentage of any number equals
Percentage Change Calculator
Calculate the percentage change between two values
Percentage Difference Calculator
Find the percentage difference between two values relative to their average
What Percent Of Calculator
Find what percentage one number is of another
Percent Error Calculator
Use this percent error calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Percent Increase Calculator
Calculate the new value after applying a percentage increase
Percent Decrease Calculator
Calculate the new value after applying a percentage decrease
Fraction to Percent Calculator
Convert any fraction to a percentage
Decimal to Percent Calculator
Convert a decimal number to its percentage equivalent
Circle Area Calculator
Calculate the area and circumference of a circle from its radius
Rectangle Area Calculator
Calculate the area and perimeter of a rectangle
Triangle Area Calculator
Calculate the area of a triangle using base and height
Square Area Calculator
Calculate the area perimeter and diagonal of a square
Trapezoid Area Calculator
Calculate the area of a trapezoid from two parallel bases and height
Parallelogram Area Calculator
Calculate the area of a parallelogram from base and height
Hexagon Area Calculator
Calculate the area and perimeter of a regular hexagon
Regular Polygon Area Calculator
Calculate the area and perimeter of any regular polygon
Pythagorean Theorem Calculator
Calculate the hypotenuse of a right triangle using the Pythagorean theorem
Heron Formula Calculator
Calculate triangle area from three side lengths using Heron formula
Equilateral Triangle Calculator
Calculate all properties of an equilateral triangle from one side
30 60 90 Triangle Calculator
Calculate all sides and area of a 30-60-90 special right triangle
45 45 90 Triangle Calculator
Use this 45 45 90 triangle calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Sphere Volume Calculator
Calculate sphere volume and surface area from radius. Includes formula, example, units, and rounding tips.
Cylinder Volume Calculator
Calculate the volume and surface area of a cylinder
Cube Volume Calculator
Use this cube volume calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Rectangular Prism Volume Calculator
Use this rectangular prism volume calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Cone Volume Calculator
Calculate the volume and surface area of a right circular cone
Pyramid Volume Calculator
Use this pyramid volume calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Triangular Prism Volume Calculator
Calculate triangular prism volume from triangle base, triangle height, and prism length. Includes formula, worked example, and surface-area context.
Sine Cosine Tangent Calculator
Calculate the sine cosine and tangent of any angle in degrees
Law of Sines Calculator
Find a triangle side using the law of sines from two angles and one side
Law of Cosines Calculator
Use this law of cosines calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Degrees to Radians Calculator
Convert an angle from degrees to radians
Radians to Degrees Calculator
Convert an angle from radians to degrees
Arc Length Calculator
Use this arc length calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Quadratic Formula Calculator
Solve any quadratic equation using the quadratic formula
Discriminant Calculator
Calculate the discriminant of a quadratic and determine root types
Slope Calculator
Calculate the slope of a line from two coordinate points
Midpoint Calculator
Find the midpoint between two coordinate points with the midpoint formula, worked example, and distance context.
Distance Formula Calculator
Calculate the distance between two points using the distance formula
Slope Intercept Form Calculator
Calculate the y value from slope-intercept form for any x input
Completing the Square Calculator
Rewrite a quadratic in vertex form by completing the square
Point Slope Form Calculator
Find the equation of a line from a point and slope in point-slope form
Arithmetic Sequence Calculator
Use this arithmetic sequence calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Geometric Sequence Calculator
Find the nth term and sum of a geometric sequence
Fibonacci Calculator
Calculate the nth Fibonacci number and the sequence up to n
Sum of Arithmetic Series Calculator
Use this sum of arithmetic series calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
GCF Calculator
Find the greatest common factor of two numbers
LCM Calculator
Find the least common multiple of two numbers
Factorial Calculator
Use this factorial calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Prime Factorization Calculator
Find the prime factorization of any positive integer
Square Root Calculator
Use this square root calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Cube Root Calculator
Use this cube root calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Adding Fractions Calculator
Use this adding fractions calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Multiplying Fractions Calculator
Use this multiplying fractions calculator with clear inputs, formula notes, a worked example, common mistakes, and related calculators.
Dividing Fractions Calculator
Divide two fractions by multiplying by the reciprocal
Fraction to Decimal Calculator
Convert a fraction to its decimal and percentage equivalent
Complementary Angles Calculator
Find the complementary angle that adds up to 90 degrees
Supplementary Angles Calculator
Find the supplementary angle that adds up to 180 degrees
Circumference Calculator
Calculate the circumference and diameter of a circle from its radius
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