Online tools for calculating parameters of flat figures and 3D bodies using formulas. Results are calculated instantly. Each calculator's page also includes the formulas used and a brief explanation.
- Area Calculator
- Area of a circle, triangle, rectangle, rhombus, trapezoid, and other flat figures.
- Perimeter Calculator
- Perimeter of a circle, triangle, rectangle, and other flat figures.
- Surface Area Calculator
- Surface area of a cube, cylinder, sphere, cone, pyramid, and other 3D bodies.
- Volume Calculator
- Volume of a cube, cylinder, sphere, cone, and other bodies, as well as by mass and density of a substance.
- Right Triangle Calculator
- Sides, hypotenuse, angles, area, and perimeter by any two known parameters.
- Equilateral Triangle Calculator
- Side, height, area, perimeter, and inradius/circumradius by one known parameter.
- Arbitrary Triangle Calculator
- Sides, angles, area, heights, and circle radii by three known parameters (SSS, SAS, ASA, SSA).
- Circular Arc and Segment Calculator
- Arc length, chord, segment height, sector and segment area by any two parameters.
- Distance Between Points on a Plane (2D)
- Distance between two points by x, y coordinates.
- Distance Between Points in Space (3D)
- Distance between two points by x, y, z coordinates.
- Distance Between GPS Coordinates
- Distance between points on the Earth's surface by latitude and longitude.