Volume Calculator
Free online volume calculator for spheres, cones, cubes, cylinders, and other 3D shapes. Calculate volume in multiple units instantly.
What is a Volume Calculator?
A Volume Calculator is a free online tool that helps you calculate the volume of various three-dimensional shapes quickly and accurately. Whether you need to find the volume of a sphere, cone, cube, cylinder, or any other 3D shape, this calculator provides instant results with multiple unit conversions.
How to Use the Volume Calculator
Using the volume calculator is simple. Follow these steps:
- Select a Shape: Choose from 11 different 3D shapes including sphere, cone, cube, cylinder, rectangular tank, capsule, spherical cap, conical frustum, ellipsoid, square pyramid, and tube.
- Choose a Unit: Select your preferred unit of measurement (millimeters, centimeters, meters, kilometers, inches, feet, or yards).
- Enter Dimensions: Input the required dimensions for your selected shape. The calculator will show the appropriate fields based on your shape selection.
- View Results: The volume is calculated instantly in cubic meters, along with equivalent volumes in liters, gallons, cubic feet, and other units.
Volume Formulas for Common Shapes
Sphere
A sphere is a perfectly round three-dimensional object where every point on its surface is equidistant from its center. The volume of a sphere is calculated using the formula: V = (4/3)πr³, where r is the radius of the sphere.
Cone
A cone is a three-dimensional shape that tapers smoothly from a circular base to a point called the apex. The volume formula for a cone is: V = (1/3)πr²h, where r is the base radius and h is the height.
Cube
A cube is a three-dimensional solid object bounded by six square faces. Its volume is calculated as: V = a³, where a is the length of any edge.
Cylinder
A cylinder is a three-dimensional solid that consists of two parallel circular bases connected by a curved surface. The volume formula is: V = πr²h, where r is the base radius and h is the height.
Rectangular Tank
A rectangular tank (or rectangular prism) is a three-dimensional shape with six rectangular faces. Its volume is: V = l × w × h, where l is length, w is width, and h is height.
Capsule
A capsule is a shape consisting of a cylinder with hemispherical ends. The volume formula combines a cylinder and sphere: V = πr²h + (4/3)πr³, where r is the radius and h is the cylindrical height.
Spherical Cap
A spherical cap is a portion of a sphere cut off by a plane. The volume is: V = (1/3)πh²(3R - h), where R is the sphere radius and h is the height of the cap.
Conical Frustum
A conical frustum is the portion of a cone that remains after its top is cut off by a parallel plane. The volume formula is: V = (1/3)πh(r² + rR + R²), where r is the top radius, R is the bottom radius, and h is the height.
Ellipsoid
An ellipsoid is a three-dimensional analogue of an ellipse. Its volume is: V = (4/3)πabc, where a, b, and c are the lengths of the semi-axes.
Square Pyramid
A square pyramid has a square base and triangular faces that meet at a point. The volume formula is: V = (1/3)a²h, where a is the base edge length and h is the height.
Tube
A tube (or hollow cylinder) has an outer and inner diameter. The volume of the tube material is: V = π((d1/2)² - (d2/2)²)l, where d1 is the outer diameter, d2 is the inner diameter, and l is the length.
Common Volume Unit Conversions
Understanding volume conversions is essential for many applications. Here are some common conversions:
- 1 cubic meter (m³) = 1,000 liters
- 1 cubic meter = 264.172 gallons (US)
- 1 cubic meter = 35.315 cubic feet
- 1 liter = 1,000 milliliters
- 1 cubic foot = 28.317 liters
Applications of Volume Calculation
Volume calculations are used in numerous fields including construction, engineering, manufacturing, shipping, cooking, medicine, and science. Whether you need to calculate the capacity of a tank, the amount of concrete for a foundation, or the volume of a package for shipping, this volume calculator provides accurate results instantly.
Frequently Asked Questions
What is the difference between volume and capacity?
Volume refers to the amount of three-dimensional space an object occupies, while capacity typically refers to the maximum amount a container can hold. For practical purposes, they are often used interchangeably and use the same units of measurement.
How do I calculate the volume of an irregular shape?
Irregular shapes can be measured using water displacement (submerge the object in water and measure the displaced volume) or by breaking the shape down into regular geometric forms and summing their volumes.
What units can I use with this volume calculator?
The calculator supports millimeters, centimeters, meters, kilometers, inches, feet, and yards for input dimensions. Results are displayed in cubic meters with automatic conversions to liters, gallons, cubic feet, cubic inches, and other common units.
Is this volume calculator accurate?
Yes, the calculator uses standard mathematical formulas for volume calculation and provides results with up to 6 decimal places of precision. All calculations are performed instantly in your browser.
Can I calculate the volume of a cylinder in liters?
Yes. The calculator shows results in cubic meters, and 1 cubic meter equals 1,000 liters. Simply multiply the cubic meter result by 1,000 to get liters, or use the automatic conversions displayed.