Math Calculators

Basic arithmetic, algebra, geometry, trigonometry, and advanced mathematical calculations.

2D Euclidean Distance Calculator

Calculate the straight-line (Euclidean) distance between two points in a 2D coordinate plane.

Arc Length Calculator

Calculates the length of an arc of a circle using radius and central angle in radians.

Area Calculator

Calculate the area of circles, rectangles, and triangles instantly. Enter your measurements and get accurate results.

Area of Rectangle Calculator

Calculates the area of a rectangle based on the given width and height.

Aspect Ratio Calculator

Calculates the numeric aspect ratio of a rectangle by dividing width by height.

Average Calculator

Calculate the average of multiple numbers.

Capsule Volume Calculator

Calculates the total volume of a capsule-shaped object (cylinder with two hemispherical ends).

Circle Calculator

Calculate circle area and circumference from radius.

Compound Interest Calculator

Calculate compound interest growth over time.

Cone Volume Calculator

Calculates the volume of a cone using its radius and height.

Cylinder Volume Calculator

Calculates the volume of a right circular cylinder using the standard geometric formula.

Decimal to Fraction Calculator

Convert a decimal number to a fraction.

Ellipse Area Calculator

Calculates the area of an ellipse using the formula A = πab.

Ellipse Circumference Calculator (Ramanujan Approximation)

Computes the approximate circumference (perimeter) of an ellipse using Ramanujan’s first approximation formula.

Harmonic Mean Calculator

Calculates the harmonic mean of two positive numbers using the standard mathematical formula.

Percentage Calculator

Calculate percentages, percentage increase, decrease, and find what percentage one number is of another.

Pythagorean Theorem Calculator

Calculate the hypotenuse of a right triangle.

Quadratic Equation Solver

Solves quadratic equations of the form ax² + bx + c = 0.

Rectangular Prism Surface Area Calculator

Calculate the total surface area of a rectangular prism using its length, width, and height.

Slope Calculator

Computes the slope of a line using the rise over run formula.

Speed Distance Time Calculator

Calculate speed, distance, or time given the other two values using the formula: Distance = Speed × Time.

Total Surface Area of a Cylinder

Calculates the total surface area of a right circular cylinder including top and bottom circles.

Triangle Area Calculator

Calculate the area of a triangle using base and height.

Value Given Percent Calculator

Calculate the value given a percentage of a total.

Weighted Average Calculator

Calculates the weighted mean of two values using their respective weights.