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📐 Geometry Calculators

9 free geometry calculators for shapes, areas, volumes, and coordinate geometry.

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Area Calculator
Area of rectangle, circle, triangle, trapezoid, ellipse, and more.
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Volume Calculator
Volume of cube, sphere, cylinder, cone, pyramid, and more.
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Circle Calculator
Area, circumference, diameter, radius from any known value.
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Triangle Calculator
All sides and angles. Law of sines, cosines, Heron's formula.
 a²+b²
Pythagorean Theorem
Find hypotenuse or any side of a right triangle.
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Right Triangle Calculator
Solve right triangles with trig ratios (sin, cos, tan).
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Distance Calculator
Distance between two coordinate points on a plane.
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Slope Calculator
Slope, midpoint, and equation of a line from two points.
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Surface Area Calculator
Surface area of sphere, cylinder, cone, cube, and rectangular prism.