• 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.
  • Cement Calculator
    Calculate how many bags of cement you need for a concrete slab or pour. Enter dimensions, mix ratio and bag volume to estimate cement bags.
  • Pond Volume Calculator
    Calculate pond volume in US gallons, liters and cubic feet from length, width and average depth. Free, instant pond water capacity calculator.
  • Pool Volume Calculator
    Calculate your swimming pool volume in US gallons, cubic feet and liters from length, width and average depth. Free, fast and accurate.
  • Gravel Driveway Calculator
    Calculate how much gravel you need for a driveway in tons, cubic yards, cubic feet and pounds. Enter length, width, depth and gravel density.
  • Crushed Stone Calculator
    Estimate how many tons and cubic yards of crushed stone you need for driveways, patios and base layers from length, width and depth.
  • Asphalt Calculator
    Free asphalt calculator estimates tons of hot-mix asphalt needed by length, width, and thickness using a 145 lb/ft³ density. Fast and accurate.
  • Sonotube Concrete Calculator
    Calculate how much concrete you need to fill a Sonotube. Enter tube diameter and height to get cubic yards, cubic feet, and the number of bags.
  • Sand Calculator
    Calculate how many tons and cubic yards of sand you need. Enter length, width and depth to estimate sand for paths, sandboxes and base fill.
  • River Rock Calculator
    Calculate how many tons and cubic yards of river rock you need. Enter length, width and depth to estimate landscaping rock and cost-planning quantities.
  • Rip Rap Calculator
    Calculate how many tons and cubic yards of rip rap you need for erosion control. Enter length, width, depth and stone density to estimate material.
  • Limestone Calculator
    Calculate how many tons of crushed limestone you need. Enter length, width and depth to get volume in cubic yards and total tonnage.
  • French Drain Calculator
    Calculate how much gravel a French drain needs in cubic yards. Enter trench length, width, and depth to estimate volume and gravel tonnage.
  • Square Feet to Cubic Yards Calculator
    Convert square feet and a depth to cubic yards instantly. Perfect for ordering concrete, gravel, mulch, soil and other bulk fill materials.
  • Cubic Yard Calculator
    Calculate cubic yards from length, width, and depth in feet. Perfect for concrete, soil, mulch, gravel, and landscaping material estimates.
  • Potting Soil Calculator
    Calculate how much potting soil you need for round or rectangular pots and planters. Get total liters, cubic feet and dry quarts for any number of containers.
  • Compost Calculator
    Calculate how much compost you need in cubic yards and cubic feet from your garden bed area and desired application depth.
  • Grain Bin Calculator
    Estimate grain bin capacity in bushels from bin diameter and grain height. Uses the cylinder volume formula and 0.8036 bushels per cubic foot.
  • Square Pyramid Calculator
    Calculate the volume, surface area, slant height, and lateral area of a square pyramid from its base edge and height. Free, instant, and accurate.
  • Sphere Calculator
    Calculate the volume, surface area, diameter, and circumference of a sphere from its radius. Free online sphere geometry calculator with formulas.
  • Road Base Calculator
    Calculate how much road base (aggregate) you need by length, width and depth. Get cubic yards, cubic feet and tons instantly for any project.
  • Rectangular Prism Calculator
    Calculate the volume, surface area, and space diagonal of a rectangular prism (cuboid) from its length, width, and height instantly.
  • Pyramid Frustum Calculator
    Calculate the volume of a pyramid frustum from its top and bottom cross-section areas and height using the prismatoid formula. Free and instant.
  • Cubic Feet Calculator
    Calculate cubic feet (ft³) from length, width and height in feet. Instantly convert volume to cubic inches, cubic yards and US gallons.