---
title: "Gram Calculator - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "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 "
---

# Gram Calculator — United States

![Gram Calculator App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/db/4d/ca/db4dca13-2791-79ab-66a6-b3332cce2406/AppIcon-0-0-1x_U007emarketing-0-11-0-0-85-220.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-UvhV)
**Category:** Utilities
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.gramcleanair.gramcalc
**Store:** Apple App Store
**Country:** United States
**Version:** 1.3.6 (released 2025-02-01)
**Original Release:** 2025-01-31
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6737183924)
**AppTail Page:** [https://apptail.io/app/gram-calculator-nMSu/united-states](https://apptail.io/app/gram-calculator-nMSu/united-states)

## Gram Calculator Description
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.

## Gram Calculator Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/1e/c4/65/1ec465d4-12f8-1a14-1cc6-6691aafba70b/Simulator_Screenshot_-_IPhone_11_Pro_Max_6.5_U0022_-_2025-01-27_at_14.19.42.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/56/e0/30/56e03054-2890-5f2b-24ca-954a8fc8dd34/Simulator_Screenshot_-_IPhone_11_Pro_Max_6.5_U0022_-_2025-01-27_at_14.19.49.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/4e/7d/51/4e7d513f-26f2-452f-cffa-5026f3914923/Simulator_Screenshot_-_IPhone_11_Pro_Max_6.5_U0022_-_2025-01-27_at_14.19.55.png/1242x2688.png)






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## Gram Calculator Available In
- [Austria](https://apptail.io/app/gram-calculator-nMSu/austria)
- [Bulgaria](https://apptail.io/app/gram-calculator-nMSu/bulgaria)
- [Switzerland](https://apptail.io/app/gram-calculator-nMSu/switzerland)
- [Cyprus](https://apptail.io/app/gram-calculator-nMSu/cyprus)
- [Estonia](https://apptail.io/app/gram-calculator-nMSu/estonia)
- [Spain](https://apptail.io/app/gram-calculator-nMSu/spain)
- [France](https://apptail.io/app/gram-calculator-nMSu/france)
- [United Kingdom](https://apptail.io/app/gram-calculator-nMSu/united-kingdom)
- [Greece](https://apptail.io/app/gram-calculator-nMSu/greece)
- [Croatia](https://apptail.io/app/gram-calculator-nMSu/croatia)
- [Hungary](https://apptail.io/app/gram-calculator-nMSu/hungary)
- [Italy](https://apptail.io/app/gram-calculator-nMSu/italy)
- [Lithuania](https://apptail.io/app/gram-calculator-nMSu/lithuania)
- [Luxembourg](https://apptail.io/app/gram-calculator-nMSu/luxembourg)
- [Slovenia](https://apptail.io/app/gram-calculator-nMSu/slovenia)
- [United States](https://apptail.io/app/gram-calculator-nMSu/united-states)

---

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