# Air Velocity and Flow Calc

> Calculates air velocity and flow using Pitot tubes, supporting US and Metric units. (iPhone/iPad app by Dwyer Instruments, Inc..)

- Source: https://appshunter.io/ios/app/air-velocity-and-flow-calc/id1429072116 (this page in markdown: same URL + `.md`)
- Developer: [Dwyer Instruments, Inc.](https://appshunter.io/developer/496680286)
- Category: Utilities, Reference
- Price: Free
- Rating: 3.00/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.4 · 8 MB
- Languages: English
- Released: 2018-08-18
- Data updated: 2026-06-09
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/air-velocity-and-flow-calc/id1429072116/reviews.md

## What is Air Velocity and Flow Calc?

The Dwyer Air Velocity and Flow Calculator makes spot checking with Dwyer Pitot Tubes quick and easy. Calculates air velocity and flow from a variety of inputs, and supports both US and Metric units.

## Key features

- Air velocity calculation
- Air flow calculation
- Pitot tube support
- US unit support
- Metric unit support
- Quick spot checks

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/air-velocity-and-flow-calc/id1429072116/reviews.md

### 5/5 — Just what I needed

*2021-09-28*

The app is for converting differential pressure into CFM. Whether you have a pitot probe, a flow grid inside a duct, or a Phoenix valve just measure the differential pressure, then input the air temperature and the duct size.

## Frequently asked questions about Air Velocity and Flow Calc

### What is Air Velocity and Flow Calc used for?

Air Velocity and Flow Calc is designed to quickly calculate air velocity and flow rates, particularly when using Dwyer Pitot Tubes for measurements.

### Does Air Velocity and Flow Calc support different measurement units?

Yes, the app supports both US customary units and Metric units for air velocity and flow calculations.

### What devices is Air Velocity and Flow Calc compatible with?

Air Velocity and Flow Calc is available for iPhone and iPod Touch devices.

### How often is Air Velocity and Flow Calc updated?

The app was last updated on August 18, 2018, to version 2.0. Further updates may be released by the developer.

### What is the user rating for Air Velocity and Flow Calc?

The app has a rating of 3.0 stars based on 4 user ratings.

### Is Air Velocity and Flow Calc free to use?

Yes, Air Velocity and Flow Calc is available for free download and use.

### Does Air Velocity and Flow Calc have ads?

No, Air Velocity and Flow Calc does not contain advertisements.

### What is the age rating for Air Velocity and Flow Calc?

The app has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 1 release)

### 2.0 — 2018-08-18

This app has been updated by Apple to display the Apple Watch app icon.

## Apps similar to Air Velocity and Flow Calc

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [IN HVAC Calculator](https://appshunter.io/ios/app/in-hvac-calculator/id1219008229) | 4.2 (11) | Free | Utilities |
| [Duct Calculator Elite](https://appshunter.io/ios/app/duct-calculator-elite/id665701601) | 4.8 (220) | $6.99 | Utilities |
| [Belimo Assistant 2](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004) | 3.7 (9) | Free | Utilities |
| [Duct Calculator S&P](https://appshunter.io/ios/app/duct-calculator-s-and-p/id1096043356) | 5.0 (1) | Free | Utilities |
| [TracPipe CounterStrike Guide](https://appshunter.io/ios/app/tracpipe-counterstrike-guide/id996885333) | 3.4 (7) | Free | Utilities |
| [telliCare](https://appshunter.io/ios/app/tellicare/id1110160669) | 5.0 (2) | Free | Utilities |

## More apps by Dwyer Instruments, Inc.

- [Dwyer Instruments Catalogs](https://appshunter.io/ios/app/dwyer-instruments-catalogs/id510716825)
- [SMART Air Hood](https://appshunter.io/ios/app/smart-air-hood/id1579386095)

All apps by Dwyer Instruments, Inc.: https://appshunter.io/developer/496680286

## Related topics

[dwyer](https://appshunter.io/ios/topics/dwyer) · [airflow calculator](https://appshunter.io/ios/topics/airflow-calculator) · [airflow](https://appshunter.io/ios/topics/airflow) · [water flow calculators](https://appshunter.io/ios/topics/water-flow-calculators)

---

*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 2026-06-09.*