15 calculators
General
General geometry, area, perimeter, and coordinate calculators.
Calculators
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Area Calculator
Calculate area for rectangles, triangles, circles, trapezoids, parallelograms, and ellipses from their dimensions.
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Distance Calculator
Calculate the straight-line distance and midpoint between two coordinate points in 2D or 3D space.
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Ellipse Calculator
Calculate the area, approximate perimeter, eccentricity, and focal distance of an ellipse from its semi-axes.
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Endpoint Calculator
Find the missing endpoint of a line segment from one known endpoint and the midpoint.
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Hexagon Calculator
Calculate area, perimeter, diagonals, inradius, and circumradius of a regular hexagon from side length.
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Midpoint Calculator
Find the midpoint between two coordinate points in 2D or 3D space with distance calculation.
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Octagon Calculator
Calculate area, perimeter, diagonals, inradius, and circumradius of a regular octagon from side length.
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Pentagon Calculator
Calculate area, perimeter, diagonal, inradius, and circumradius of a regular pentagon from side length.
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Perimeter Calculator
Calculate perimeter for squares, rectangles, triangles, circles, parallelograms, and trapezoids.
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Polygon Calculator
Calculate area, perimeter, interior and exterior angles, and diagonal count for any regular polygon.
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Rectangle Calculator
Calculate area, perimeter, and diagonal of a rectangle from width and height.
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Rhombus Calculator
Calculate area, perimeter, diagonals, and angles of a rhombus from side and angle or diagonal inputs.
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Right Triangle Calculator
Solve a right triangle for missing sides, angles, area, and perimeter from any two known measurements.
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Surface Area Calculator
Calculate total and lateral surface area for cubes, spheres, cylinders, cones, and rectangular prisms.
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Trapezoid Area Calculator
Calculate the area, perimeter, and median of a trapezoid from its parallel sides, height, and leg lengths.