📐 Геометрия
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Circle Area Calculator
Calculate the area and circumference of a circle using the radius.
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Rectangle Area Calculator
Calculate the area and perimeter of any rectangle by entering length and width.
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Triangle Area Calculator
Calculate triangle area using base and height or Heron formula with three sides.
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Volume Calculator
Calculate the volume of spheres, cubes, cylinders, and cones. Select shape and enter dimensions.
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Pythagorean Theorem Calculator
Solve the Pythagorean theorem by entering any two sides of a right triangle.
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Cylinder Volume Calculator
Calculate the volume and lateral surface area of a cylinder using radius and height.
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Sphere Volume Calculator
Calculate the volume and surface area of a sphere from its radius.
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Perimeter Calculator
Calculate the perimeter of squares, rectangles, triangles, and circles.