# Gram Calculator

> Gram Calculator (iPhone/iPad app by Gram Clean Air.)

- Source: https://appshunter.io/ios/app/gram-calculator/id6737183924 (this page in markdown: same URL + `.md`)
- Developer: [Gram Clean Air](https://appshunter.io/developer/1774712901)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 17+
- Requires: iOS 12.0 · 33 MB
- Languages: American English
- Released: 2025-01-31
- Data updated: 2026-03-09
- User reviews in markdown: https://appshunter.io/ios/app/gram-calculator/id6737183924/reviews.md

## What is Gram Calculator?

Gram Clean Air Duct Calculator is a technical app developed to assist ventilation professionals with accurate calculations of pipe diameter, pressure loss, air velocity and airflow. Designed for fast and accurate dimensioning, this app makes it easier to work with complex aspects of process ventilation.


## Version history (last 1 release)

### 1.3.6 — 2025-02-01

No release notes.

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*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 2026-03-09.*