⬡18 FREE TOOLS
Geometry calculators
Shapes, area, volume and geometry. All calculations happen locally in your browser.
Browse 18 calculators
Rectangle CalculatorFind area, perimeter and diagonal of a rectangle.↗
Square CalculatorCalculate square area, perimeter and diagonal.↗
Triangle Area CalculatorFind the area of a triangle from base and height.↗
Heron’s Formula CalculatorFind triangle area from three side lengths.↗
Circle CalculatorFind area and circumference from radius.↗
Ellipse CalculatorCalculate area and approximate perimeter of an ellipse.↗
Trapezoid Area CalculatorCalculate trapezoid area from parallel sides and height.↗
Parallelogram Area CalculatorFind area and perimeter of a parallelogram.↗
Circle Sector CalculatorCalculate sector area and arc length in degrees.↗
Pythagorean Theorem CalculatorFind the hypotenuse of a right triangle.↗
Cube CalculatorFind cube volume, surface area and space diagonal.↗
Rectangular Prism CalculatorCalculate volume, surface area and diagonal of a box.↗
Sphere CalculatorCompute sphere volume and surface area.↗
Cylinder CalculatorCalculate cylinder volume and total surface area.↗
Cone CalculatorCalculate cone volume, slant height and total area.↗
Square Pyramid CalculatorFind volume and total surface area of a square pyramid.↗
Torus CalculatorCompute a torus volume and surface area.↗
Regular Polygon CalculatorFind area and perimeter of a regular polygon.↗