The Pipe Volume Calculator finds the internal volume of a pipe, in cubic feet and gallons, based on its diameter and length. Simply fill in the fields above and click Calculate to get an instant result.
This calculator is part of Calculate Wiki’s Construction Calculators collection.
What You’ll Need
- Inside Diameter
- Pipe Length
Formula Used
Volume = π × radius² × Length
Gallons = Volume (ft³) × 7.48052
Example Calculation
Using example inputs — Diameter = 4 in; Length = 10 ft — the Pipe Volume Calculator returns:
| Value | Result |
|---|---|
| Volume | 0.873 ft³ |
| Volume in gallons | 6.53 gal |
6.53 gallons.
Helpful Information
Results from the Pipe Volume Calculator are estimates based on standard formulas used in the construction calculators field.
Frequently Asked Questions
Is the Pipe Volume Calculator free to use?
Yes — the Pipe Volume Calculator on Calculate Wiki is completely free, with no sign-up required.
How accurate is the Pipe Volume Calculator?
The Pipe Volume Calculator uses a standard, well-documented formula from the construction calculators field. Results are for informational purposes.
Can I use this on my phone?
Yes, this calculator is fully mobile-friendly and works on any modern browser.
What does the result mean?
For the example values shown above (4 in diameter, 10 ft length), the pipe holds 6.53 gallons.