# Duct fitting calculator

> 04/20/15 Release version 1.0

Canonical page: [https://chrome-stats.com/d/com.dfc.charge](https://chrome-stats.com/d/com.dfc.charge)

## Overview

- **ID:** `com.dfc.charge`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** nest-ac
- **Category:** PRODUCTIVITY
- **Downloads:** 326
- **Version:** 1.50
- **Last updated:** 2026-09-28
- **First published:** 2015-04-20
- **Publisher country:** JP
- **Size:** 8.32 MB
- **Data as of:** 2026-10-22
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.dfc.charge)
- **Privacy policy:** [https://admob-app-id-4435287050-22d3c.web.app/ja/privacy\_policy.html](https://admob-app-id-4435287050-22d3c.web.app/ja/privacy_policy.html)

## Description

Calculate the duct size from the offset .<br>I will calculate the channel length of the spiral duct and round duct .<br>45 degrees from 45 degrees , 90 degrees from 45 degrees , I will calculate the size at 90 degrees from 90 degrees .<br>Not only horizontal swing , you also calculated up and down swing .<br>In addition to duct also , it might be used in the piping.<br><br>Advertising is free version<br>https://play.google.com/store/apps/details?id=com.dfc.free<br><br>Privacy Policy and Disclaimer<br>https://admob-app-id-4435287050-22d3c.web.app/en/privacy_policy.html<br><br>Disclaimer<br>This application does not guarantee the accuracy and completeness of information and operation. In addition, specifications may be changed without prior notice. Therefore, we do not guarantee that this application can be used under any circumstances.<br>We are not responsible for any compensation or damages caused by using this application.<br>Even if the application is incomplete, we will not be obliged to correct it.

## Rankings

- #1,591,745 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.dfc.charge.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.dfc.charge)