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 Area Calculator
Calculate the area of a circular sector
Ellipse Area Calculator
Calculate the area of an ellipse
Parallelogram Area Calculator
Calculate the area of a parallelogram
Cube Volume Calculator
Calculate the volume of a cube from its side length
Cuboid Volume Calculator
Calculate the volume of a cuboid (rectangular prism)
Cone Volume Calculator
Calculate the volume of a cone from its radius and height
Cylinder Volume Calculator
Calculate the volume of a cylinder from its radius and height
Sphere Volume Calculator
Calculate the volume of a sphere from its radius
Hemisphere Volume Calculator
Calculate the volume of a hemisphere from its radius
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 — 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