# Belt Length Calculator

> Calculate belt length and speed, gear ratio, drive pulley speed

Canonical page: [https://chrome-stats.com/d/com.se.beltlengthcalc](https://chrome-stats.com/d/com.se.beltlengthcalc)

## Overview

- **ID:** `com.se.beltlengthcalc`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** S.E.
- **Category:** TOOLS
- **Downloads:** 15,650
- **Version:** 1.8
- **Last updated:** 2025-10-16
- **First published:** 2024-02-15
- **Publisher country:** RU
- **Size:** 19 MB
- **Data as of:** 2026-09-09
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.se.beltlengthcalc)
- **Website:** [https://flat-pattern.web.app](https://flat-pattern.web.app/)
- **Privacy policy:** [https://1256638.wixsite.com/privacy-policy](https://1256638.wixsite.com/privacy-policy)

## Description

"Belt Length Calculator" is an Android application designed to simplify the calculation of belt lengths between two pulleys. By entering the diameters of the large and small pulleys and the distance between their centers, users can accurately determine the belt length. Additionally, the app allows users to input the drive pulley speed (RPM) to obtain the driven pulley speed and belt speed, along with calculating the gear ratio for optimized performance in belt drive systems.

## Rankings

- #474,961 — 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.google.android.gms.permission.AD_ID`
- `com.se.beltlengthcalc.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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