Volume Calculator

  • Road Base Fill Volume, Weight and Cost Calculator
    Estimate road base / sub-base fill volume in cubic meters, yards and feet, plus material weight and cost, from length, width and depth with compaction and waste allowances.
  • Mulch Planning Calculator
    Plan your mulch project: enter bed area and depth to get cubic feet, cubic yards, bags needed, bulk yards, estimated weight and total cost. US customary units.
  • Cubic Yards Calculator
    Calculate cubic yards, cubic feet and cubic meters of mulch, gravel, sand or concrete for any area and depth, with optional total material cost.
  • Mulch Calculator
    Free mulch calculator: find cubic yards, cubic feet and cubic meters of mulch needed for any bed shape and depth, plus bag count and total cost.
  • Sandbox Sand Calculator
    Calculate how much play sand you need to fill a sandbox. Enter length, width and depth to get volume, weight in pounds/tons and bag count.
  • Cooking Measurement Conversion Calculator
    Convert cooking measurements between teaspoons, tablespoons, cups, fluid ounces, pints, quarts, gallons, milliliters and liters (US units) instantly.
  • Water Weight Calculator
    Calculate the weight of water from any volume. Convert gallons, liters, mL or fluid ounces into pounds, kilograms, grams and ounces instantly.
  • CBM (Cubic Meter) Calculator
    Calculate CBM (cubic meters) for shipping cartons from length, width, height and quantity. Get total volume in m³ and cubic feet instantly.
  • Speaker Box Volume Calculator
    Calculate the net internal volume of a subwoofer or speaker enclosure in cubic feet, cubic inches and liters from external box dimensions and panel thickness.
  • Planter Soil Volume Calculator
    Calculate how much soil fills a tapered rectangular planter or window box. Enter top, bottom and height to get volume in liters, cm³ and m³.
  • Flower Pot Soil Volume Calculator
    Calculate the soil volume of a tapered flower pot from its top diameter, bottom diameter, and height. Conical frustum geometry, results in cm3 and liters.
  • Volume of a Tetrahedron (and Parallelepiped) from 4 Points
    Compute the volume of a tetrahedron and the parallelepiped spanned by three edge vectors from four 3D points A, B, C, D using the scalar triple product.
  • Regular Hexagonal Prism Volume and Surface Area Calculator
    Calculate the volume and surface area of a regular hexagonal prism from its base side length and height. Free, instant geometry calculator with formulas.
  • Regular Hexagonal Prism Height Calculator
    Find the height of a regular hexagonal prism from its hexagon side length and volume. Uses h = V / ((3√3/2)×a²). Instant, accurate.
  • Equilateral Triangular Prism Height Calculator
    Find the height of an equilateral triangular prism from its volume V and base side a. Uses h = 4V / (sqrt(3) x a squared). Free, instant, with worked examples.
  • Equilateral Triangular Prism Volume and Surface Area Calculator
    Calculate the volume and surface area of an equilateral triangular prism from the triangle side length a and prism height h. Fast, accurate, free.
  • Volume and Surface Area of a Circular-Segment Solid of Revolution
    Compute the volume and surface area of a circular-segment solid of revolution, with optional partial sweep angle (truncated). Uses Pappus's theorems. Universal geometry tool.
  • Gallons of Water in Pool Calculator
    Calculate how many gallons of water fill your swimming pool. Enter length, width, and average depth in feet for an instant US gallon estimate.
  • Cylinder Volume Calculator
    Calculate cylinder volume easily with radius and height inputs. Get accurate results in cubic centimeters (cm³) for cylinders of any size with this free online tool.
  • Square Feet to Cubic Feet Calculator
    Convert square feet to cubic feet instantly. Enter floor area and depth/height to get volume in ft³ (and cubic yards) for concrete, mulch, soil and more.
  • Torus Volume Calculator
    Calculate torus volume and surface area from major radius (R) and minor radius (r). Also get inner/outer radius, centerline length, and cross‑section area.
  • Cone Volume Calculator
    Calculate cone volume easily with this free online tool. Input radius and height to instantly determine the volume of a cone. Accurate and efficient for students, engineers, and professionals.
  • Cuboid Volume Calculator
    Enter length, width, and height to find a cuboid’s volume, surface area, lateral surface area, and volume-to-surface-area ratio instantly.
  • Cubic Yard Calculator
    Calculate cubic yards from length, width, and depth in feet. Perfect for concrete, soil, mulch, gravel, and landscaping material estimates.

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