Free Plumbing Tool

Pressure Drop Calculator — Pipe Friction Loss in PSI

Enter pipe length, diameter, and flow rate to calculate friction pressure loss in PSI.

Pipe Parameters

How to Use the Pressure Drop Calculator

Enter pipe length, diameter, and flow rate to calculate friction pressure loss in PSI.

This free online pressure drop calculator is designed for plumbers and field technicians who need fast, accurate results on the job or during the estimating process. No account required — enter your values and get results instantly.

When to Use This Tool

  • 1.During new construction estimates and material takeoffs
  • 2.When verifying calculations in the field before ordering materials
  • 3.For proposal and quote preparation — give clients accurate numbers
  • 4.As a cross-check against manual calculations or software output
  • 5.For training new technicians on correct sizing procedures

Important Notes

Results from this pressure drop calculator are estimates based on standard industry formulas and typical conditions. Always verify critical calculations with manufacturer specifications, local codes, and a licensed plumber before proceeding with installation or ordering materials. Actual requirements may vary based on local building codes, site conditions, and project-specific factors.

Also from ProvenQuote

Own Your Plumbing Market

Exclusive plumbing leads in your city. One plumber. Every inquiry. $3,900–$11,700/mo/mo.

See Plumbing Hubs →

More Free Plumbing Tools