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StormCalc – Essential Stormwater Tools icon

StormCalc – Essential Stormwater Tools

Perform common stormwater calculations quickly using Rational Method, Tc, and Detention Volume tools.

Users11Current public install base
Rating--Store average score
Reviews0Public review volume
Manifest versionV3Extension platform version
7-day growth+1Net users gained this week
7-day growth rate+9.09%Relative weekly velocity
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11111111112026年6月18日2026年6月18日2026年6月18日Latest: 11
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1-day growthFlat
00%
7-day growthGrowing
+1+9.09%
30-day growthGrowing
+2+20%
Technical snapshot

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Version1.0.3
ManifestV3
Size3.89MiB
Languages1English
Published
Store updated
Last crawled
English
Overview

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StormCalc is your all-in-one toolkit for stormwater and dam volume calculations. Designed for civil and hydraulic engineers, consultants, and field practitioners, this tool streamlines common hydrological calculations into a single, easy-to-use Chrome extension

Features:

Rational Method:

-Quickly estimate peak flow (Q) using runoff coefficient, intensity, and area.

Time of Concentration (Tc):

-Calculates Tc using the Bransby-Williams method with flexible unit inputs.

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