- Volume Calculator
- Area Calculator
- Perimeter Calculator
- Surface Area Calculator
- Circle Calculator
- Rectangle Calculator
- Triangle Calculator
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Well Volume CalculatorCalculate the water volume in a well from its diameter and water depth. Get the result in US gallons and cubic feet instantly.
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Volume and Surface Area of a Truncated (Partial) EllipsoidCompute the volume and surface area of a partial (truncated) triaxial ellipsoid cut by a horizontal plane at height h. Exact volume, numerical surface area.
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Volume of a Parallelepiped CalculatorCalculate the volume of a parallelepiped from its three edge vectors using the scalar triple product V = |a · (b × c)|. Fast and accurate.
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Volume of a Rectangular Frustum (Obelisk)Calculate the volume of a rectangular frustum (obelisk / truncated rectangular pyramid) from top sides, bottom sides, and height using the prismatoid formula.
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Frustum of a Pyramid Volume CalculatorCalculate the volume of a pyramidal frustum (truncated pyramid) from its top face area, bottom face area, and height using the prismatoid formula.
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Volume and Capacity Unit Conversion CalculatorConvert any volume or capacity value into metric, imperial UK, US liquid, US dry, petroleum and traditional Japanese units at once, to high precision.
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Aquarium Volume CalculatorCalculate aquarium volume in US gallons and liters from length, width, and height in inches. Fast, accurate fish tank capacity estimates.
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Rat Cage Size CalculatorCalculate the minimum recommended cage volume for your pet rats. Find how much space your rats need with this simple, vet-informed cage size calculator.
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Tube (Hollow Cylinder) CalculatorCalculate the volume of a tube or hollow cylinder from outer radius, inner radius and height. Also gives wall thickness, cross-section and surface area.
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Pyramid Frustum CalculatorCalculate the volume of a square pyramid frustum (truncated pyramid) from its bottom side, top side and height using the prismatoid formula.
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Hemisphere CalculatorCalculate the volume, curved surface area, base area and total surface area of a hemisphere from its radius. Free, instant geometry tool.
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Conical Frustum CalculatorCalculate the volume, slant height, lateral area, and total surface area of a conical frustum from its two radii and height. Free online geometry tool.
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Cone CalculatorCalculate the volume, slant height, lateral and total surface area of a right circular cone from its radius and height. Fast, free and accurate.
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Square Prism (Right Square Prism) Volume and Surface Area CalculatorCalculate the volume and total surface area of a right square prism from its square base edge a and height h. Formulas V = a²h and S = 2a(a + 2h).
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Square Prism Height CalculatorFind the height of a right square prism (square-based prism) from its volume V and square base edge length a using h = V / a squared. Free and instant.
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Regular Tetrahedron Volume and Surface Area CalculatorCompute the volume and total surface area of a regular tetrahedron from its edge length a using V = (√2/12)·a³ and S = √3·a². Free, instant, exact.
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Cube Edge Length and Surface Area from Volume CalculatorEnter a cube's volume to instantly compute its edge length (cube root of V) and total surface area S = 6a^2. Universal, unit-consistent geometry tool.
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Ellipsoid Volume and Surface Area CalculatorCompute the exact volume and surface area of a triaxial ellipsoid from its three semi-axes a, b, c using closed-form and elliptic-integral formulas.
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Torus (Doughnut) Volume and Surface Area CalculatorCalculate the volume and surface area of a torus (doughnut) from its inner and outer radius. Free, high-precision geometry calculator with worked example.
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N-Dimensional Ball Volume & Surface Area CalculatorCompute the volume (content) and surface area (boundary measure) of an n-dimensional ball (hypersphere) for any dimension n and radius r using the Gamma function.
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Spherical Cap (Truncated Sphere) Volume and Surface Area CalculatorCompute the volume, base radius, curved area, base area and total surface area of a spherical cap (dome) from the sphere radius R and cap height h.
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Hemispherical Frustum (Spherical Cap) Volume and Surface Area CalculatorCompute the volume and total surface area of a hemispherical frustum (spherical cap) cut from a sphere of radius r by a single plane, with cap height h up to r.
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Conical Frustum Volume and Surface Area CalculatorCompute the volume, lateral surface area, total surface area and slant height of a conical frustum (truncated cone) from its two radii and height.
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Square Frustum (Truncated Square Pyramid) Volume, Lateral & Surface Area CalculatorCompute the volume, lateral side area, and total surface area of a right square frustum (truncated square pyramid) from bottom edge, top edge, and height.
