Volume Calculator

  • Well Volume Calculator
    Calculate the water volume in a well from its diameter and water depth. Get the result in US gallons and cubic feet instantly.
  • Volume and Surface Area of a Truncated (Partial) Ellipsoid
    Compute the volume and surface area of a partial (truncated) triaxial ellipsoid cut by a horizontal plane at height h. Exact volume, numerical surface area.
  • Volume of a Parallelepiped Calculator
    Calculate the volume of a parallelepiped from its three edge vectors using the scalar triple product V = |a · (b × c)|. Fast and accurate.
  • 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.
  • Frustum of a Pyramid Volume Calculator
    Calculate the volume of a pyramidal frustum (truncated pyramid) from its top face area, bottom face area, and height using the prismatoid formula.
  • Volume and Capacity Unit Conversion Calculator
    Convert any volume or capacity value into metric, imperial UK, US liquid, US dry, petroleum and traditional Japanese units at once, to high precision.
  • Aquarium Volume Calculator
    Calculate aquarium volume in US gallons and liters from length, width, and height in inches. Fast, accurate fish tank capacity estimates.
  • Rat Cage Size Calculator
    Calculate the minimum recommended cage volume for your pet rats. Find how much space your rats need with this simple, vet-informed cage size calculator.
  • Tube (Hollow Cylinder) Calculator
    Calculate the volume of a tube or hollow cylinder from outer radius, inner radius and height. Also gives wall thickness, cross-section and surface area.
  • Pyramid Frustum Calculator
    Calculate the volume of a square pyramid frustum (truncated pyramid) from its bottom side, top side and height using the prismatoid formula.
  • Hemisphere Calculator
    Calculate the volume, curved surface area, base area and total surface area of a hemisphere from its radius. Free, instant geometry tool.
  • Conical Frustum Calculator
    Calculate the volume, slant height, lateral area, and total surface area of a conical frustum from its two radii and height. Free online geometry tool.
  • Cone Calculator
    Calculate the volume, slant height, lateral and total surface area of a right circular cone from its radius and height. Fast, free and accurate.
  • Square Prism (Right Square Prism) Volume and Surface Area Calculator
    Calculate 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).
  • Square Prism Height Calculator
    Find 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.
  • Regular Tetrahedron Volume and Surface Area Calculator
    Compute 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.
  • Cube Edge Length and Surface Area from Volume Calculator
    Enter 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.
  • Ellipsoid Volume and Surface Area Calculator
    Compute 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.
  • Torus (Doughnut) Volume and Surface Area Calculator
    Calculate the volume and surface area of a torus (doughnut) from its inner and outer radius. Free, high-precision geometry calculator with worked example.
  • N-Dimensional Ball Volume & Surface Area Calculator
    Compute 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.
  • Spherical Cap (Truncated Sphere) Volume and Surface Area Calculator
    Compute 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.
  • Hemispherical Frustum (Spherical Cap) Volume and Surface Area Calculator
    Compute 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.
  • Conical Frustum Volume and Surface Area Calculator
    Compute the volume, lateral surface area, total surface area and slant height of a conical frustum (truncated cone) from its two radii and height.
  • Square Frustum (Truncated Square Pyramid) Volume, Lateral & Surface Area Calculator
    Compute the volume, lateral side area, and total surface area of a right square frustum (truncated square pyramid) from bottom edge, top edge, and height.

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