Geometry Tools
Calculators for 2D and 3D geometric shapes
Our geometry calculators let you compute any property of a shape from any known measurement. Enter a radius, an area, a volume — and everything else is calculated instantly. Each tool is interactive with a real-time graphic illustration.
Pythagorean Theorem Calculator
Find any side of a right triangle from the other two. Works for hypotenuse or any leg.
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Triangle Calculator
Calculate all sides, angles and area of any triangle from three values (SSS, SAS, ASA, AAS).
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Circle Calculator
Calculate radius, diameter, circumference and area of a circle from any known value.
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Sphere Calculator
Calculate radius, diameter, surface area and volume of a sphere from any known value.
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Sphere Distance Calculator
Calculate the great-circle distance between two points on a sphere using the Haversine formula.
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