Volume Calculator

  • Concrete Block Fill Calculator
    Calculate how much concrete you need to fill the voids in concrete blocks (CMU). Enter block count and void volume to get cubic feet and cubic yards.
  • 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.
  • 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.
  • 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.
  • 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.
  • Spherical Cap Volume, Base Area & Surface Area Calculator
    Compute a spherical cap's volume, base area, total surface area and parent sphere radius from its base radius a and height h. Free online geometry tool.
  • Rectangular Pyramid Volume Calculator
    Calculate the volume of a rectangular pyramid from its length, width, and height using V = (1/3)·l·w·h. Fast, accurate, free online tool.
  • Triangular Pyramid Volume Calculator
    Calculate the volume of a triangular pyramid (tetrahedron) from the triangle base, triangle height, and pyramid height using V = (1/3)·base area·H.
  • Radius of a Sphere Calculator
    Find the radius of a sphere from its volume, surface area, diameter, or circumference. Free online calculator with formulas and worked examples.
  • Radius of a Cylinder Calculator
    Find the radius of a cylinder from its volume and height using r = √(V / (π·h)). Instant results plus the diameter, with a worked example.
  • Radius of a Cone Calculator
    Find the radius of a cone from its volume and height using r = sqrt(3V / (π·h)). Instant results plus diameter, with a worked example and formula.
  • 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.
  • Sphere Volume Calculator
    Calculate the volume of a sphere accurately with this easy-to-use sphere volume calculator. Input the radius and get instant results for various applications in science and engineering.
  • Rectangular Solid Volume Calculator
    Enter length, width, and height to get the volume of a rectangular solid (box) using l × w × h. See the result in cubic units for planning.
  • 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.
  • 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.
  • Surface Area of a Rectangular Prism Calculator
    Calculate the surface area of a rectangular prism (cuboid) from its length, width, and height using A = 2(lw + lh + wh). Free and instant.
  • 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.
  • Right Circular Cylinder Volume Calculator
    Calculate the volume of a right circular cylinder from radius and height. Enter values to get V = πr²h instantly for accurate results.
  • Surface Area of a Cylinder Calculator
    Calculate the total surface area of a cylinder from its radius and height. Get lateral area, base area, and total area instantly with the formula A = 2πr(r + h).
  • 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.
  • 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.
  • Hollow Cylinder Volume Calculator
    Calculate the volume of a hollow cylinder, pipe or tube from its outer radius, inner radius and height using V = π·h·(R² − r²).

Categories