# TELEDYNE ISCO FlowCalc > Open channel flow rate calculator for weirs, flumes, and pipes. (iPhone/iPad app by FutureSight Studios Ltd.) - Source: https://appshunter.io/ios/app/teledyne-isco-flowcalc/id6504916802 (this page in markdown: same URL + `.md`) - Developer: [FutureSight Studios Ltd](https://appshunter.io/developer/1752834411) - Category: Utilities - Price: Free - Rating: 4.50/5 from 2 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 13.4 · 26 MB - Languages: English - Released: 2024-08-21 - Data updated: 2026-06-08 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/teledyne-isco-flowcalc/id6504916802/reviews.md ## What is TELEDYNE ISCO FlowCalc? Quick, accurate flow rate calculations, right in your pocket. FlowCalc makes open channel flow measurement fast and easy. Whether you’re in the field or the office, you can select your weir, flume, or channel shape, enter size and head/velocity, and get instant, reliable results. Key Features • Set up & calculate in minutes – Choose your measurement method, enter your dimensions, and see flow rates instantly. • Multiple flow methods – Includes popular weirs (V‑Notch, Rectangular, Cipolletti) and flumes (Parshall, Leopold‑Lagco, HS, H, HL, Trapezoidal, and more). • Area‑velocity mode – Calculate flow for partially full pipes and non‑full channels in various shapes. • Save favorites – Store common site setups for fast recall. • Trusted formulas – Based on the ISCO Open Channel Flow Measurement Handbook. • Easy unit switching – Imperial and metric support. Free to download and backed by Teledyne ISCO’s decades of expertise in flow measurement. ## Key features - Instant flow rate calculations - Multiple weir and flume types - Area-velocity mode for pipes - Save favorite site setups - Imperial and metric unit support - Based on ISCO Handbook formulas ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/teledyne-isco-flowcalc/id6504916802/reviews.md ### 5/5 — Best App!! *2024-10-30, version 1.0.8* Good application. I use it a lot because I work with different workflow instruments. It provides important and clear data. Excellent work tool. ### 4/5 — clean and good looking app *2024-09-16, version 1.0.2* This app has as a clean interface. It does exactly what it’s supposed to do. It is definitely a useful tool. The only thing I would recommend adding to it is the ability to change default level units between FEET, Inches, and Centimeters ## Frequently asked questions about TELEDYNE ISCO FlowCalc ### What is FlowCalc used for? FlowCalc is a utility app designed for quick and accurate open channel flow rate calculations. It helps users determine flow rates for various measurement methods like weirs and flumes, as well as for partially full pipes. ### What types of flow measurement methods does FlowCalc support? FlowCalc supports a wide range of popular methods including V-Notch, Rectangular, and Cipolletti weirs, as well as Parshall, Leopold-Lagco, HS, H, HL, and Trapezoidal flumes. It also includes an area-velocity mode for pipes and non-full channels. ### Can I save my common site setups in FlowCalc? Yes, FlowCalc allows you to save your common site setups for fast recall. This feature is useful for users who frequently perform calculations for the same locations or configurations. ### Does FlowCalc support both imperial and metric units? Yes, FlowCalc offers easy unit switching and supports both imperial and metric units, making it versatile for users in different regions or working with various standards. ### Is FlowCalc free to download? Yes, FlowCalc is free to download. It is backed by Teledyne ISCO's expertise in flow measurement and is available for iPhone, iPad, and iPod devices. ### Does FlowCalc have ads? Yes, FlowCalc contains advertisements. As a free utility app, it is supported by ads to provide its features to users without a direct purchase cost. ### How often is FlowCalc updated? The latest version of FlowCalc is 1.2.8, which was last updated on August 12, 2025. Updates typically include improvements and new features based on user feedback and technological advancements. ### What is the age rating for FlowCalc? FlowCalc has an age rating of 4+. This indicates that the app is suitable for users aged 4 and above, with no mature content or themes. ## Version history (last 5 releases) ### 1.2.8 — 2025-08-12 We’ve made FlowCalc even better with new measurement options and interface improvements. New Welcome Pages • Flumes – Overview and quick access to flume calculations. • Weirs – Overview and quick access to weir calculations. Flumes – New Calculations • Leopold‑Lagco Flume (NEW) • HS Flume (NEW) • H Flume (NEW) • HL Flume (NEW) • Trapezoidal Flume (NEW) Weirs – New Calculations • Cipolletti Weir (NEW) • ISCO Flow Metering (NEW) Area‑Velocity Updates • Added new input fields. • Updated diagrams for improved clarity. ### 1.2.7 — 2025-08-07 We’ve made FlowCalc even better with new measurement options and interface improvements. New Welcome Pages • Flumes – Overview and quick access to flume calculations. • Weirs – Overview and quick access to weir calculations. Flumes – New Calculations • Leopold‑Lagco Flume (NEW) • HS Flume (NEW) • H Flume (NEW) • HL Flume (NEW) • Trapezoidal Flume (NEW) Weirs – New Calculations • Cipolletti Weir (NEW) • ISCO Flow Metering (NEW) Area‑Velocity Updates • Added new input fields. • Updated diagrams for improved clarity. ### 1.0.9 — 2025-02-13 Add UXCam ### 1.0.8 — 2024-10-22 Fix bugs ### 1.0.6 — 2024-10-15 Fix bugs ## Apps similar to TELEDYNE ISCO FlowCalc | App | Rating | Price | Category | | --- | --- | --- | --- | | [Duct Calculator Elite](https://appshunter.io/ios/app/duct-calculator-elite/id665701601) | 4.8 (220) | $6.99 | Utilities | | [Pipe Working Pressure Calc](https://appshunter.io/ios/app/pipe-working-pressure-calc/id1447338544) | 4.0 (2) | $2.99 | Utilities | | [Drill Calc](https://appshunter.io/ios/app/drill-calc/id304434324) | 4.4 (13) | $2.99 | Utilities | | [Viscosity Conversion](https://appshunter.io/ios/app/viscosity-conversion/id630288155) | — | $2.99 | Utilities | | [Gas Pipe Sizing Calculator](https://appshunter.io/ios/app/gas-pipe-sizing-calculator/id596009129) | 4.0 (4) | $1.99 | Utilities | | [Darcy Weisbach Equations Calc](https://appshunter.io/ios/app/darcy-weisbach-equations-calc/id1448457638) | — | $2.99 | Utilities | ## More apps by FutureSight Studios Ltd - [Jellybean Nexus](https://appshunter.io/ios/app/jellybean-nexus/id6504553770) All apps by FutureSight Studios Ltd: https://appshunter.io/developer/1752834411 ## Related topics [flume](https://appshunter.io/ios/topics/flume) · [flune](https://appshunter.io/ios/topics/flune) · [sluice](https://appshunter.io/ios/topics/sluice) · [urflowdig](https://appshunter.io/ios/topics/urflowdig) · [flume water](https://appshunter.io/ios/topics/flume-water) · [innerflow](https://appshunter.io/ios/topics/innerflow) · [ecoflow delta](https://appshunter.io/ios/topics/ecoflow-delta) · [taylor flows](https://appshunter.io/ios/topics/taylor-flows) · [oxen flow](https://appshunter.io/ios/topics/oxen-flow) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*