Math Calculators

Find the absolute value of any real number |x|.

Calculate the acceleration of an object.

Convert angles to radians.

Calculates the base 10 negative value of a given number.

Find the area of 2D shapes easily with our free area calculator.

Calculate the nth term and sum of an arithmetic sequence.

Convert decimal to binary and perform binary addition, subtraction, multiplication.

Calculate basic logical operations (AND, OR, XOR).

Volume of a rectangular prism.

The relationship between gas pressure and volume at constant temperature.

Calculate the centripetal force in circular motion.

Relationship between gas volume and temperature at constant pressure.

Calculate area of a circle.

Free online circle calculator. Enter any known value (radius, diameter, area, or circumference) to instantly find the other three.

Calculate circumference of a circle.

Calculate the number of combinations (nCr).

Calculate volume of a cone.

Calculates the cosine of a given angle.

Solve proportions and ratios instantly using cross multiplication (A/B = C/D).

Calculate the cross product of two 3D vectors.

Calculate the cube root of any given number.

Calculate circuit current.

Calculate volume of a cylinder.

Convert a decimal to its simplest fraction form.

Calculate the density of a substance.

Distance between two points.

Calculate the exact distance between two points (x, y).

Calculate the dot product of two vectors.

Calculate eigenvalues and trace/determinant of a 2x2 matrix.

Calculate the speed of escaping the gravity of a star.

Calculate n!

Find the nth Fibonacci number.

Easily add, subtract, multiply, and divide fractions with step-by-step simplification.

Reduce any fraction to its simplest lowest form.

Quickly convert fractions to exact decimals.

Calculate the frequency of a periodic waveform.

Greatest Common Divisor.

Calculate the nth term and sum of a geometric sequence.

Calculate the amount of radioactive elements remaining.

Area of a triangle from 3 sides.

Calculate area of a regular hexagon.

Calculate area and perimeter of a regular hexagon.

Calculate the pressure from PV=nRT.

Calculate the kinetic energy of an object.

Calculate the angle of refraction of light.

Free online LCM and GCF calculator. Find the Least Common Multiple and Greatest Common Factor for any set of numbers.

Least Common Multiple.

Free online logarithm and exponent calculator. Instantly calculate log base b of x, or calculate base b raised to the power of x.

Calculate log base b of x.

Computes the logarithm of any base.

Calculate the determinant of a 3x3 matrix.

Multiply two 2x2 matrices.

Find the exact midpoint between two coordinates.

Find midpoint between two points.

Calculate the modulo (remainder) of a division operation.

Calculate the momentum of an object.

Calculate the force on an object.

Calculate the vertex coordinates of a quadratic function.

Free online percentage calculator. Instantly calculate what percent one number is of another, find percentage increase/decrease, and solve what is X% of Y.

Calculate % increase or decrease.

Difference between two values.

Calculate the perimeter of circles, rectangles, triangles, and more.

Calculate the number of permutations (nPr).

Calculate pH based on hydrogen ion concentration.

Calculate the energy of a photon of a specific wavelength.

Compute physical work.

Calculate the pOH value based on the hydroxide concentration.

Calculate the gravitational potential energy of an object.

Calculate physical power.

Calculate the pressure.

Find all prime factors of any given number quickly and efficiently.

Find the hypotenuse.

Find roots of ax^2+bx+c=0.

Solve quadratic equations (ax² + bx + c = 0) with step-by-step results.

Convert radians to degrees.

Simplify ratios and find equivalent ratios quickly.

Calculate volume of a prism.

Calculate circuit resistance.

Calculate the area of a rhombus from its diagonals.

Free online right triangle calculator. Find the hypotenuse, area, perimeter, and angles using the Pythagorean theorem.

Quickly convert numbers to Roman Numerals and vice versa.

Round numbers to a specific decimal place or significant figures.

Free online rule of three calculator. Solve direct proportions and cross-multiplication problems instantly.

Convert numbers to and from scientific notation.

Free online sequence calculator. Find the nth term and sum of any arithmetic or geometric sequence instantly.

Free online significant figures calculator. Count the exact number of sig figs in any decimal or scientific notation number instantly.

Calculate the period of motion of a simple pendulum.

Calculates the sine of a given angle.

Calculate the slope of the line connecting two points.

Calculate slope of a line.

Calculate the concentration of the dilute solution (M1V1=M2V2).

Calculate the speed of an object.

Calculate volume of a sphere.

Calculate the square root of any positive number.

Convert numbers into standard form (scientific notation).

Calculate the surface area of spheres, cylinders, cubes, and boxes.

Calculates the tangent of a given angle.

Calculate rotational torque.

Calculate area of a trapezoid.

Base times height.

Computes simplified variance based on two points.

Calculate the circuit voltage.

Calculate the volume of various 3D shapes like cubes, spheres, and cylinders.

Calculate the wavelength.

Calculate Z-scores in statistics.