---
title: "Gear Ratio Speed Calc - Reviews, Revenue and Downloads in Bahrain | Apple App Store"
description: "Gear Ratio Speed Calc is a professional gear train calculator for engineers, machinists, and mechanical designers.  FEATURES: - Single, dual, and triple stage gear ratio calculations - Calculate overa"
---

# Gear Ratio Speed Calc — Bahrain
> Multi-Stage Gear Drive Tool

![Gear Ratio Speed Calc App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/f1/48/14/f148141a-166b-e063-7e76-5745b97bdafb/AppIcon-0-0-1x_U007emarketing-0-8-85-220.jpeg/434x0w.png)

**Developer:** [Shanghai Sheyuan Network Technology Co](https://apptail.io/developer/shanghai-sheyuan-network-technology-co-mkXe)
**Category:** Utilities
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.sy.GearRatioSpeedCalc
**Store:** Apple App Store
**Country:** Bahrain
**Version:** 1.0.2 (released 2026-06-28)
**Original Release:** 2026-03-25
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/bh/app/app/id6761039376)
**AppTail Page:** [https://apptail.io/app/gear-ratio-speed-calc-hAkz/bahrain](https://apptail.io/app/gear-ratio-speed-calc-hAkz/bahrain)

## Gear Ratio Speed Calc Description
Gear Ratio Speed Calc is a professional gear train calculator for engineers, machinists, and mechanical designers.

FEATURES:
- Single, dual, and triple stage gear ratio calculations
- Calculate overall gear ratio, output RPM, and torque multiplier
- 8 common gear presets for quick selection
- Custom driver and driven teeth input for any gear combination
- Supports any input RPM value
- Clean, dark-themed interface for shop and field use

FORMULAS:
- Gear Ratio = Driven Teeth / Driver Teeth
- Output RPM = Input RPM / Overall Gear Ratio
- Torque Multiplier = Overall Gear Ratio
- Multi-stage: Overall Ratio = Stage 1 x Stage 2 x Stage 3

PRESETS INCLUDED:
12/48 (4:1), 15/45 (3:1), 18/36 (2:1), 20/40 (2:1), 16/64 (4:1), 24/72 (3:1), 20/60 (3:1), 14/56 (4:1)

Perfect for designing gear trains, verifying speed reductions, and calculating torque multiplication in mechanical power transmission systems.

## Gear Ratio Speed Calc Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/bb/9b/e2/bb9be2ef-db29-ae55-d654-4aa8492727c3/screenshot_iphone_1.jpg/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/69/d7/73/69d77391-af6a-08ea-7e35-da1d77602cb2/screenshot_iphone_2.jpg/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/74/bb/b7/74bbb7ae-881c-e39a-653b-c12b54752b9d/screenshot_iphone_3.jpg/1284x2778.png)







## Gear Ratio Speed Calc Available In
- [Bahrain](https://apptail.io/app/gear-ratio-speed-calc-hAkz/bahrain)
- [Canada](https://apptail.io/app/gear-ratio-speed-calc-hAkz/canada)
- [Netherlands](https://apptail.io/app/gear-ratio-speed-calc-hAkz/netherlands)
- [Saudi Arabia](https://apptail.io/app/gear-ratio-speed-calc-hAkz/saudi-arabia)
- [Singapore](https://apptail.io/app/gear-ratio-speed-calc-hAkz/singapore)
- [United States](https://apptail.io/app/gear-ratio-speed-calc-hAkz/united-states)

---

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