Math Calculators
Free math calculators for geometry, algebra, area, volume, and more. Instant results with fast, browser-based tools and step-by-step support. No sign-up.
Rectangle Calculator
Find area, perimeter, and diagonal of a rectangle
Triangle Calculator
Find triangle area using three sides, base & height, two sides & angle (SAS), or two angles & a side (AAS)
Trapezoid Calculator
Find area, midsegment, and perimeter of a trapezoid
Circle Calculator
Find radius, diameter, area, and circumference from any one circle measurement
Sector Calculator
Find all sector properties from any two known values
Ellipse Area Calculator
Calculate the area of an ellipse
Parallelogram Area Calculator
Calculate the area of a parallelogram
Cube Calculator
Volume, surface area, and diagonals from the side length
Cuboid Volume Calculator
Calculate the volume of a cuboid (rectangular prism)
Cone Calculator
Volume, surface area, and slant height from radius and height
Cylinder Volume Calculator
Calculate the volume of a cylinder from its radius and height
Sphere Calculator
Find radius, diameter, volume, surface area, and circumference from any one sphere measurement
Hemisphere Calculator
Find radius, diameter, base area, surface area, and volume from any one hemisphere measurement
Pyramid Calculator
Find the volume, surface area, slant height, and lateral edge of a regular pyramid with any number of sides
Prism Volume Calculator
Calculate the volume of a triangular prism
Ellipsoid Volume Calculator
Calculate the volume of an ellipsoid from its three semi-axes
Tube Volume Calculator
Calculate the volume of a hollow cylinder (pipe or tube)
Capsule Volume Calculator
Calculate the volume of a capsule (cylinder with hemispherical caps)
Pythagorean Theorem Calculator
Enter any two sides and the calculator finds the third
Slope Calculator
Enter two coordinate points to find the slope of a line and related properties
Mean, Median, Mode Calculator
Enter a set of numbers to compute descriptive statistics and visualize data with a box-and-whisker plot