Volume Calculator

  • 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.
  • 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.
  • 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 Pyramid Volume, Lateral Area & Surface Area
    Calculate the volume, lateral (side) surface area, and total surface area of a right square pyramid from its base edge length and perpendicular height.
  • Cube Volume and Surface Area Calculator
    Calculate the volume and surface area of a cube from its edge length. Enter edge a and get V = a^3 and S = 6a^2 instantly. Free, unit-agnostic.
  • Regular Polyhedron (Platonic Solid) Volume, Surface Area & Sphere Radii Calculator
    Compute volume, surface area, insphere radius and circumsphere radius for any of the 5 Platonic solids from edge length. Supports mm, cm, m, in, ft.
  • Right Circular Cone Volume and Surface Area Calculator
    Calculate the volume, lateral surface area, total surface area, and slant height of a right circular cone from its base radius and height.
  • Cuboid Volume & Surface Area Calculator
    Compute the volume and total surface area of a cuboid (rectangular box) from its three edge lengths a, b and c. Free, instant and unit-agnostic.
  • Right Circular Cylinder Volume and Surface Area Calculator
    Compute the volume, lateral (side) surface area, and total surface area of a right circular cylinder from its radius and height. Pure geometry, instant.
  • Sphere Volume and Surface Area Calculator
    Calculate the volume and surface area of a sphere from its radius. High-precision results in cubed and squared units. Free online geometry tool.
  • Pyramid Volume Calculator (from Base Area and Height)
    Compute the volume of any pyramid from its base area S and perpendicular height h using V = (1/3) S h. Works for any base shape, any consistent units.
  • 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.
  • Cord of Wood Calculator
    Calculate how many cords of firewood are in a stack from its length, height and depth in feet. One full cord equals 128 cubic feet.
  • Bean Bag Filling Calculator
    Calculate how many litres or cubic feet of bean bag filler beads you need based on your bag's shape and dimensions, filled about two-thirds full.
  • Concrete Cylinder Calculator
    Calculate concrete volume for cylindrical columns, piers, and footings. Get cubic yards, cubic feet, weight, and 60 lb bag count from diameter and height.
  • Gallon Calculator
    Convert a rectangular tank's dimensions (length, width, height in inches) into US gallons. Free volume calculator with cubic inches and liters output.
  • Cubic Yards to Tons Calculator
    Convert cubic yards to tons for gravel, sand, topsoil, concrete and more. Enter volume and material density to estimate weight in US tons instantly.
  • Cubic Meter Calculator
    Calculate volume in cubic meters (m³) from length, width and height. Free CBM calculator that also converts to liters and cubic feet instantly.
  • Post Hole Concrete Calculator
    Calculate how much concrete you need to set fence posts. Enter hole size, depth, post width and count to get cubic feet, cubic yards, and 60/80 lb bag counts.
  • Paver Sand Calculator
    Calculate how much bedding sand you need for a paver patio or walkway. Enter area and sand depth to get cubic yards, cubic feet, and weight.
  • Epoxy Calculator
    Calculate how much epoxy resin you need for a surface by length, width, thickness and number of coats. Get gallons, fluid ounces and liters instantly.
  • Hole Volume Calculator
    Calculate the volume of a cylindrical hole from its diameter and depth. Get results in cubic units, liters, and US gallons instantly.
  • Concrete Stairs Calculator
    Calculate concrete volume for stairs from step count, rise, run, width and platform. Get cubic meters, cubic yards, weight and premix bag estimates.
  • Concrete Column Calculator
    Calculate concrete volume for round or rectangular columns. Enter diameter or width/depth, height, and quantity to get m³ and cubic yards instantly.

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