Jean-François Sabourin, President of JFSA, has developed a range of useful software based on hydrological and hydraulic modeling. JFSA is the exclusive distributor of SWMHYMO, STORMS, PLOTHYD and Manning’s Calculator software and provides regular program updates. To purchase this software, please contact us online by Clicking here.

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Manning’s Calculator

Manning's Calculator is a hydraulic engineering open channel flow and conduit utility that can be used to calculate any variable in Manning's Equation for most channel geometries, for circular pipe and for various input and output units.

Manning's Calculator can save an engineer, hydrologist, technologist or technician hours of time by instantly solving complex iterative equations.

Download Manning's Calculator demo: Software Downloads

SWMHYMO (Stormwater Management Hydrologic Model)