Tube Volume Calculator

Calculating the volume of a tube or pipe often feels confusing, especially when you need the result in liters, gallons, or cubic inches. Whether you are working on plumbing, fluid storage, engineering projects, or just checking how much water a pipe can hold, knowing the tube volume is essential.

To make this process effortless, we have developed a Tube Volume Calculator. This online tool allows you to quickly find the material volume (the wall of the tube) as well as the internal capacity (the space inside). You can enter dimensions in millimeters, centimeters, meters, inches, or feet, and get accurate results instantly in multiple units.

What is Tube Volume?

The volume of a tube is the space it occupies or contains. Since a tube is essentially a hollow cylinder, its volume is calculated by subtracting the inner cylinder volume from the outer cylinder volume.

If you are looking for the amount of liquid (like water) that can fill a pipe, you only need the internal volume. If you are checking the material needed to make the tube, you need the wall volume.

Tube Volume Calculation Formula

The formula depends on the type of values you have:

1. Using Radius

Wall material volume:

V = π (Ro² – Ri²) × L

Internal volume:

V = π Ri² × L

Here,

• Ro = outer radius,
• Ri = inner radius,
• L = length of the tube.

2. Using Diameter

Wall material volume:

V = π L (Do² – Di²) / 4

Internal volume:

V = π L Di² / 4

Here,

• Do = outer diameter,
• Di = inner diameter.

3. Using Thickness

Wall material volume:

V = π (2rt + t²) L

Internal volume:

V = π r² L

Here,

• r = inner radius,
• t = wall thickness,
• L = length of tube.

For thin walls where thickness is very small compared to radius, you can use an approximation:

V ≈ 2πrtL

How to Use the Tube Volume Calculator

1. Choose your preferred input method – radius, diameter, or thickness.
2. Enter the values along with their units (mm, cm, m, in, ft).
3. Click on calculate.
4. The calculator instantly gives you:
   - Tube wall material volume.
   - Internal capacity of the tube.
5. Results are shown in cubic meters, liters, milliliters, gallons, cubic inches, and cubic feet.

For example:

If a tube has an inner diameter of 50 mm, outer diameter of 60 mm, and length of 2 meters, the calculator shows:

• Wall volume ≈ 1.73 liters
• Internal volume ≈ 3.93 liters

Final Verdict

Our Tube Volume Calculator is designed to make calculations quick, accurate, and user-friendly. Whether you need to know the internal capacity of a water tube in liters or want to figure out the wall volume of a cylinder in cubic inches, this tool has you covered. No more manual conversions or confusing formulas – just enter your values and get instant results.

Frequently Asked Questions (FAQs)

How do you calculate the volume of a tube?

You subtract the volume of the inner cylinder from the outer cylinder using the formula: V = π (Ro² – Ri²) × L.

How do you calculate pipe volume?

For a pipe, calculate the internal volume: V = π Ri² × L, where Ri is the inner radius.

How to calculate cubic inches of a tube?

Enter dimensions in inches, use the formula, and the result will be in cubic inches. Our calculator also does this conversion automatically.

How many gallons are in a foot of pipe?

It depends on the pipe’s internal diameter. For example, a 1-inch diameter pipe holds about 0.041 gallons per foot. Our calculator helps you figure this out instantly.

Can I use this calculator in Excel?

Yes. The same formulas can be entered into Excel, but our tool saves you from doing manual setup and conversions.