Useful calculator
Useful to do a quick calculation at the site
Very useful
Love that the app is not clumsy and the ability to store test information.
Free
About
This tool simplifies hydrant flow testing by calculating total GPM from pitot pressures. It allows for outlet settings, flow extrapolation with a Supply vs Demand curve, and plotting demand points for PASS/FAIL results. Save test data with location and project details for future reference.
✓Calculate total GPM from pitot pressures
✓Configure outlet diameter and hydrant coefficients
✓Extrapolate flow with Supply vs Demand curve
✓Plot demand points for PASS/FAIL analysis
✓Save test results with date, time, and project info
✓Log hydrant locations via GPS
✓Review saved test history
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What's New in Hydrant Flow Test Calculator
1.3.0
May 6, 2026
This update includes improved PDF reports, enhanced Friction Loss calculations, and better field documentation. New and improved: - Added Test Hydrant Number/Tag and Flow Hydrant Number/Tag fields. - Updated Friction Loss pipe selection with product-based nominal pipe size lookup. - Added clearer elevation guidance for uphill and downhill conditions. - Added Supply vs Demand graph legends. - Improved PDF reports with repeated watermark, bold footer, attachment label, hydrant location labels, and better file naming. - Removed unnecessary default zero values from user-entered fields. - General UI and workflow improvements.
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FAQ
How does Hydrant Flow Test Calculator calculate total GPM?
Hydrant Flow Test Calculator sums the flows from two pitot inputs to determine the total GPM observed during the flow test. It also considers outlet settings like diameter and hydrant coefficients.
Can I save my hydrant flow test results?
Yes, you can save test information including date, time, project details, and the GPS location of the hydrants. This allows for easy review of past tests and results.
What kind of analysis does Hydrant Flow Test Calculator offer?
The app provides flow extrapolation by displaying a Supply vs Demand curve (Flow vs PSI). You can also plot up to two demand points to see PASS/FAIL results.
Is Hydrant Flow Test Calculator available on Android?
Based on the provided data, Hydrant Flow Test Calculator is designed for iPhone, iPad, and iPod. Platform compatibility for Android is not specified.
How often is Hydrant Flow Test Calculator updated?
The latest version is 1.2.0(6), updated on March 2, 2026. This indicates recent development activity, suggesting regular updates are likely.
What is the age rating for Hydrant Flow Test Calculator?
Hydrant Flow Test Calculator has an age rating of 4+, making it suitable for a wide range of users.
Does Hydrant Flow Test Calculator have ads?
No, Hydrant Flow Test Calculator does not contain advertisements. It is a free application without any ad interruptions.
What is the user sentiment for Hydrant Flow Test Calculator?
The app has a perfect rating of 5.0 stars from 1 review, indicating highly positive user sentiment based on available data.