Geometry Calculators
Measure plane and solid figures: solve any triangle, find a circle’s area and circumference, compute the area of five common shapes and the volume of five solids, and apply the Pythagorean theorem.
Triangle Solver
Solve a triangle from SSS, SAS, ASA/AAS or a right triangle — sides, angles, perimeter and area.
e.g. 3-4-5 triangle (SSS)StepsDecimal resultMultiple methods
Area Calculator
Area of a rectangle, triangle, circle, parallelogram or trapezoid — with the formula and square units.
e.g. Rectangle 4 × 5StepsDecimal resultMultiple methods
Circle Calculator
Find radius, diameter, circumference and area of a circle from any one value, exact and decimal.
e.g. Radius = 5StepsExact resultDecimal result
Pythagorean Theorem
Find the hypotenuse or a missing leg of a right triangle with a² + b² = c², exact or decimal.
e.g. Hypotenuse of 3, 4StepsExact resultDecimal result
Volume Calculator
Volume of a cube, box, cylinder, cone or sphere — with the formula and cubic units.
e.g. Cube edge 3StepsDecimal resultMultiple methods