PVC & PVCO Hydraulic Calculator – Fast, Accurate, and Easy to Use

 Need to calculate pressure losses in PVC or PVCO pressure pipe? Our Hydraulic Calculator does the heavy lifting using the Hazen-Williams formula – all in U.S. Customary units.

What It Does:

Quickly determines friction head loss based on your input:

  • Flow rate (gpm)

  • Pipe inside diameter (inches)

  • Pipe length (feet)

  • Hazen-Williams flow coefficient (C)

✅ Pro tip: Use C = 150 for PVC and PVCO — backed by lab and field testing. It's a conservative and reliable choice for your designs.

Optional: Add Minor Losses

Want even more precision? Just check the "Minor Losses" box and include losses due to:

  • Valves and fittings (using loss coefficients)

  • Equivalent lengths

  • Specified minor loss values

📊 Get Results You Can Use

Once you calculate total head loss, you can:

  • Add a static elevation value

  • Download a ready-to-use Excel spreadsheet

  • View a full head vs. flow rate chart across a range of conditions

📎 Why Trust the Numbers?

Years of testing show that PVC and PVCO maintain a high flow efficiency over time. That’s why we recommend C = 150 — it’s field-proven and design-safe.

👉 Click here to learn more

Need accurate pipe flow data in seconds? Try our Hydraulic Calculator today.

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