Fire protection · calculator
Available Fire Flow Calculator
Project a measured hydrant flow test to a selected residual pressure.
Method shownUnits declaredLimits included
Input bench
Enter operating conditions
Project hydrant test flow to a target residual pressure.
Interactive inputs load immediately when JavaScript is available.
Applicability
Use the model within its limits
Projection quality depends on a valid simultaneous field test.
Method record
What this result represents
- System
- Fire protection
- Formula
- Qᵣ = Qf[(Ps − Pt)/(Ps − Pr)]⁰·⁵⁴
- Review
- Verify safety-sensitive work with qualified guidance.