Best Gear Ratio Calculator 2 Apps

Gear Ratio

by Robert Sayman

$1.99

Calculate gear ratio, driveline ratio, and vehicle speed for various vehicles. Supports US and Metric units, with multiple input methods for tire size. Saves calculations for quick reference and allows emailing results.

Gear Ratio Calculator Lite

by ABT Co., Ltd.

Free

Calculate and visualize gear ratios for road bikes and MTBs. Simulate optimal gear combinations with various chainwheels, sprockets, and tires. Helps in selecting replacement parts by displaying speed-cadence graphs and gear ratio charts.

Spur Gear Calculator

by SpiralArm Consulting Limited

Free

Calculate essential dimensions for spur gears and pinions using diametral pitch or module. This tool provides outside diameter, center distance, and ratio for specific gear types.

Gear Simulation & Calculation

Calculate Gears Fast and Easy

$3.99

This tool calculates gear ratios, torque, and speed for gear train systems. It allows users to simulate how these systems work on the fly, aiding in the design of custom gear systems before physical creation. Ideal for DIY enthusiasts and engineers.

Bike Gear Ratio Analyzer

by ANDREW WILLIAM NEWSOM

Free

Instantly analyze your bicycle's drivetrain performance. Calculate gear ratios, speed at any cadence, and climbing limits based on your bike's components and power output. Ideal for cyclists planning rides or optimizing their setup.

TRM Gear Ratio Calculator

Gear Ratio Calculator

$1.99

Calculate your theoretical top speed for speedway racing. Input rev limit, gear ratio, final drive, and tire dimensions to get instant results. Save and compare different racing setups.

Bicycle Gear Ratio App

by Niriko Cestnik

Free

Calculate and compare bicycle gear ratios to find the optimal gearing for your ride. Input chainring and cog sizes, and see detailed metrics like gear inches, speed, and more. Customize your setup or choose from presets for easy comparison.

Gear Calculator Plus

Calc Gear Speed and Distance

$2.99

Calculate a car's theoretical speed in any gear based on engine RPM, transmission, differential ratios, and tire size. It can also determine travel distance per engine revolution and estimate top speed for each gear. Supports both metric and imperial units.

Gear Lab

by SpiralArm Consulting Limited

Free

This utility app provides calculators for setting up, producing, and checking worm, helical, and spur gears. It can be used for individual calculations or as a complete process flow from start to finish.

Racing Diffs - Gear ratio

Calculate your gear ratio

Free

Calculate your vehicle's top speed for each gear using transmission ratios, differential gear ratio, and rev limit. Optimize your car's gear ratio for track performance or drag racing, choosing between kmh and mph units.

Calculator for iPad!

Basic & Scientific Calculator

Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Gear Calculator Pro

Gear Calculation Tool Helical

Free

This professional mechanical design tool helps engineers and enthusiasts calculate and optimize various gear parameters. It offers accurate calculations for different gear types, custom parameter input, and real-time design previews.