Mathematics Calculators

the percentage calculator can be used calculate the percentage of a number by entering the percentage and the quantity required for the calculation

The distance calculator can be used to calculate the distance between two points in two-dimensional or three-dimensional space

Find the antilog for any base: common (10), natural (e), binary, or anything else. Enter the log value and base, and you get back the original number.

Convert decimals to percentages and back. Type 0.75 to see 75%, or 25% to see 0.25. Works with negatives and values over 100% too.

Find the digital root of any positive integer. Add the digits, repeat until one digit remains, and use the result for number theory work or quick arithmetic checks.

Find log₂(x) or work backwards from a logarithm to x. A free binary logarithm calculator for computer science, algorithm analysis, and information theory.

Calculate logarithms with any base. Works for base 10, base e (natural log), base 2, or any positive base you choose. Solve forwards or backwards from any two values.

Find ln(x) and e^x in one place. Enter any positive number to get its natural logarithm, or enter a logarithm to recover the original value.

Sphere surface area calculator can be used to calculate the sphere's surface area by inputting the sphere's radius

The Square Area Calculator can be used to calculate the area of the square by using the length of side or length of diagonal

Heptagon Area calculator can be used to calculate the area of the heptagon by inputting the length of the side of the heptagon

Decagon Area calculator can be used to calculate the area of the Decagon by inputting the length of the side of the Decagon

Rectangle Area Calculator can be used to calculate the area of the rectangle by using length and breadth or the diagonal and breadth of the rectangle

The Sector Area Calculator can be used to calculate the area of the sector by inputting the value for the radius and the included angle

Heptagon Perimeter calculator can be used to calculate the perimeter of the heptagon by inputting the length of one of the sides of the heptagon

Rhombus Area calculator can be used to calculate the area of the rhombus by using the length of both the diagonals

the trapezoid area calculator can be used to calculate the area of the trapezoid by inputting the length of the bases and the altitude or height of the trapezoid

Sector Perimeter Calculator can be used to calculate the perimeter of the sector by inputting the circle's radius value and the angle formed by the arc at the centre of the circle.

Pentagon Area calculator can be used to calculate the area of a regular pentagon using the side or side and apothem.

Decagon Perimeter calculator can be used to calculate the perimeter of the decagon by inputting the length of one of the sides of the decagon

Pyramid Surface Area calculator can be used to calculate the pyramid's lateral surface area and total surface area by inputting the values of the required variables for the specific type of Pyramid

Cylinder Surface Area Calculator can be used to calculate the lateral surface area and the total surface of the cylinder by inputting the variables like the radius and height of the cylinder

Ellipse area calculator can be used to calculate the area of the ellipse by inputting the length of the values for the semi-minor axis and the semi-major axis.

Octagon Area calculator can be used to calculate the area of the Octagon by inputting the length of the side of the Octagon

Nonagon Perimeter calculator can be used calculate the perimeter of the nonagon by inputting the length of one of the sides of the nonagon

Trapezoid perimeter calculator can be used to calculate the perimeter of the trapezoid by inputting the length of the bases and the length of the lateral sides of the trapezoid

Nonagon Area calculator can be used to calculate the area of the Nonagon by inputting the length of the side of the Nonagon

Cube Surface Area Calculator can be used to calculate the lateral surface area as well as the total surface area of the cube by inputting the length of a side of the cube

The circle area calculator can be used to calculate the circle area by inputting the radius values

Cone Surface Area calculator can be used to calculate the lateral surface area and the total surface area of the cone by inputting the variables like the radius, height, or slant height of the cone

Rectangle Perimeter calculator can be used to calculate the perimeter of the rectangle by inputting the values for the length and breadth of the rectangle

The triangle area calculator can be used to calculate the area of the triangle using multiple methods like, Heron’s Formula, Basic Formula, Two Sides and Included Angle (SAS) Formula and for Equilateral and Isosceles triangles

Square Perimeter calculator can be used to calculate the perimeter of the square by inputting the length of one of the sides of the square

Hexagon Area calculator can be used to calculate the area of the hexagon by inputting the length of the side of the hexagon

Hemisphere surface area calculator can be used to calculate the lateral surface area and the hemisphere's total surface area by inputting the hemisphere's radius

Rhombus Perimeter calculator can be used to calculate the perimeter of the Rhombus by inputting the length of one of the sides of the rhombus

Ellipse Perimeter calculator can be used to calculate the perimeter of the ellipse by using approximations or Ramanujam's formulas

Hexagon Perimeter calculator can be used to calculate the perimeter of the hexagon by inputting the length of one of the sides of the hexagon

Circle Perimeter calculator can be used to calculate the perimeter of the circle by inputting the length of the radius

Prism Surface Area calculator can be used to calculate the lateral and total surface area of Triangular, Square, Rectangular, Pentagonal, Hexagonal, and Octagonal prisms.

Pentagon Perimeter calculator can be used to calculate the perimeter of the pentagon by inputting the length of one of the sides of the pentagon

Triangle Perimeter calculator can be used to calculate the perimeter of the triangle by inputting the lengths of the sides of the triangle

Octagon Perimeter calculator can be used to calculate the perimeter of the octagon by inputting the length of one of the sides of the octagon

Cuboid Surface Area Calculator can be used to calculate the lateral surface area and the cuboid's total surface area by inputting the cuboid's dimensions, like length, height, and breadth

Find the area of a triangle from its three side lengths using Heron's formula. Enter the area with two sides instead to solve for the missing third.

Find the straight-line distance between any two points in 3D space using the Euclidean distance formula. Works with negative coordinates and any consistent unit.

Calculate arc length, sector area, radius, and central angle with our free arc length calculator. Instant results with support for degrees and radians.

Calculate volume, surface area, and height of a regular tetrahedron from its edge length. Free online geometry calculator with worked formulas and unit conversion.

Calculate the likelihood of an event A that is dependent on another event B using our easy-to-use conditional probability calculator!

Calculate the mean (average) of your data easily with our Mean Calculator. Input your values, and instantly obtain the precise averages.

Want to measure data variability? Our Standard Deviation Calculator helps you determine how spread out your data points are from the mean.

Calculate inverse cosine (arccos) values instantly. Enter any value between -1 and 1 to find the corresponding angle in degrees or radians. Free arccos calculator.

Find arcsin for any value from -1 to 1 and read the angle back in degrees, radians, gradians, or turns. Enter an angle to get the sine instead.

Calculate inverse tangent (arctan) values instantly. Enter any real number to find the corresponding angle in degrees or radians. Free arctan calculator.