Method
Internal circular pipe volume, including optional segment aggregation.
Equations
A = π4 · (d1000)2one pipe
V = A · Lone pipe
V = Σ((π / 4) · (d / 1000)2 · L)several segments
Symbols and units
| Symbol | Quantity | Unit |
|---|---|---|
| Inputs | ||
| d | Inside diameter | mm |
| L | Length | m |
| Segments: one row each | ||
| Results | ||
| A | Internal area | m² |
| V | Water volume | m³ |
| V | Water volume | L |
Assumptions and limits
- Segments, when supplied, are diameter/length pairs.
Worked example
The input values are the calculator's own verification test, run through the calculator. They show the working; they are not design values.
Inputs
| d | Inside diameter | 100 mm |
| L | Length | 10 m |
Results
| A | Internal area | 0.00785398 m² |
| V | Water volume | 0.0785398 m³ |
| V | Water volume | 78.5398 L |
A preliminary check for engineer review, not an engineering approval. The project calculation to the applicable codes, authority requirements and specification governs.