# RC Rollout Calculator

> Gear Ratio & Pinion Finder

Canonical page: [https://chrome-stats.com/d/id6760838974](https://chrome-stats.com/d/id6760838974)

## Overview

- **ID:** `id6760838974`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** VOLKER JOOSS
- **Category:** Utilities
- **Version:** 1.1
- **Last updated:** 2026-08-27
- **First published:** 2026-03-23
- **Size:** 9.05 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/rc-rollout-calculator/id6760838974)
- **Privacy policy:** [https://volkerjooss.github.io/RcRaceTimer.github.io/PrivacyPolicy.html](https://volkerjooss.github.io/RcRaceTimer.github.io/PrivacyPolicy.html)

## Description

RC Rollout Calculator is the essential tool for every RC car enthusiast. Quickly calculate the perfect rollout, find the right pinion gear, and fine-tune your gear ratio — all in one app.

Features:

• Rollout Calculator: Select spur gear, pinion gear, and tire diameter to instantly calculate your rollout value.
• Pinion Finder: Enter your desired rollout, spur gear, and tire diameter to find the matching pinion gear.
• Interactive Tables: View rollout values across different spur/pinion and tire/pinion combinations at a glance.
• Highlighted Selection: Your current setup is highlighted in the table so you can easily compare nearby gear combinations.
• Two Table Modes: Switch between Spur/Pinion and Tire/Pinion tables to explore different setups.
• Portrait & Landscape: Fully optimized for both orientations — compact pickers in portrait, side-by-side layout in landscape.
• No Ads, No Subscription: A simple, focused tool that just works.

## Rankings

- #997,096 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6760838974)