Math Calculators

Evaluate expressions with trigonometry, logarithms, exponents, and more.

Find percentages, percentage change, and what percent one number is of another.

Add, subtract, multiply, and divide fractions.

Generate a random number within a specified range.

Calculate the percent error between observed and expected values.

Calculate powers and exponents.

Convert between binary, decimal, hexadecimal, and octal.

Solve quadratic equations ax² + bx + c = 0.

Calculate logarithms in any base.

Simplify ratios and find equivalent ratios.

Calculate nth roots of numbers.

Find the Least Common Multiple of two or more numbers.

Find the Greatest Common Factor of two or more numbers.

Round numbers to any decimal place or significant figure.

Calculate the mean, median, and mode of a data set.

Calculate standard deviation and variance of a data set.

Calculate density, mass, or volume from the other two values.

Calculate speed, distance, or time from the other two.

Calculate the hypotenuse or any side of a right triangle.

Calculate area and perimeter of a triangle.

Calculate area, circumference, and diameter of a circle.

Calculate volume of common 3D shapes.

Calculate the slope between two points.

Calculate the distance between two points.