Pipe Volume Table: Volume by Inner diameter
Reference table of volume for Pipe Volume across a range of inner diameter values — exact, engine-computed figures you can read off at a glance.
Pipe Volume Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Volume
78.54
- In cubic metres
- 0.07854
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Pipe Volume Calculator
The Pipe Volume Calculator works out your volume, along with 1 related figure in an instant. Enter inner diameter and pipe length and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the inner diameter.
- Enter the pipe length.
- Read off your volume, together with in cubic metres — the calculator updates automatically, with no button to press.
Formula
The Pipe Volume Calculator uses the formula:
Volume = 3.141592653589793 × (Inner diameter ÷ 2)^(2) × Pipe length × 1000
Worked example
For example, with inner diameter of 0.1 m and pipe length of 10 m, the volume is 78.54.
| Inner diameter | 0.1 m |
|---|---|
| Pipe length | 10 m |
| Volume | 78.54 |
|---|---|
| In cubic metres | 0.07854 |
Results are estimates for educational use, not professional advice.
Key terms explained
- Diameter
- The distance across a circle through its centre — twice the radius.
- Volume
- The amount of three-dimensional space an object occupies, measured in cubic units.
Frequently asked questions
Use π × (inner diameter ÷ 2)² × length. A 0.1 m bore over 10 m holds about 78.5 litres.
Use the inner diameter, since that is the space the fluid actually fills.
Exactly 1,000 litres, which is why the volume is multiplied by 1,000 for litres.
It helps size pumps, estimate flushing water, and work out how much fluid a system holds.
The Pipe Volume Calculator uses the formula: Volume = 3.141592653589793 × (Inner diameter ÷ 2)^(2) × Pipe length × 1000. For example, with inner diameter of 0.1 m and pipe length of 10 m, the volume is 78.54.
Enter the inner diameter. Enter the pipe length. Read off your volume, together with in cubic metres — the calculator updates automatically, with no button to press.
Related guides
How to Calculate Pipe Volume: Formula, Steps & Examples
Learn how to calculate Pipe Volume — the formula explained step by step, with worked examples and a free calculator to check your answer.