Calculate gear ratios and track gear settings
Calculate car gear ratios using spur and pinion gear counts and secondary gear ratios. Input values to determine final drive ratio. Compare low and high gear settings for acceleration, speed, motor load, and battery life.
Showing 1–20 of 1,000 ranked alternatives.
Jason Johnson
Calculate , store setups, add notes
Calculates , RPM, final drive ratio, and rollout in inches and millimeters. Stores setups and notes. Allows emailing of data for record keeping. Input pinion and spur sizes for calculations.
David Mills
Radio control car ratio calculator tool.
The app calculates final drive ratio and rollout for radio control cars. Users can select cars by manufacturer and model, inputting pinion and spur gear sizes.
Degree3, Inc.
Estimate RC car top
Calculate RC car top using gear teeth, motor details, and battery info. Input data to get estimates. Record estimates for different setups. Compare with actual measured by gun. Save and review recorded data.
ABT Co Ltd
Calculate bike gear ratios and speed.
The app calculates gear ratios for road bikes and mountain bikes. It simulates optimal gear ratios by displaying graphs of gear ratio and speed-cadence, allowing users to choose replacement parts.
Takao Ichimura
Calculate , display tables, track distance
Calculate distance for RC direct drive cars by inputting wheel diameter and gear ratio. Display results in three table formats for setup reference. Switch between display types and select parameters via on-screen pickers.
Tournament Sites LLC
Access schedules, track events, view reports
Access team schedules and event updates. View pitching reports and tournament brackets. Find venue and lodging details. Shop for official gear. Receive notifications about upcoming events. Check player and team information.
Motionics, LLC
Calculate gearbox ratios interactively and dynamically.
The app provides tools for calculating gearbox ratios. Users can design gear trains using drag and drop or explore planetary gear sets with interactive animations and ratio calculations.
Sun Apps, LLC
Calculate resolution, edit ratios, save settings
Calculate resolutions and aspect ratios by inputting one dimension and a ratio. Adjust ratios with a tap. Save calculated resolutions for future reference. Scale resolutions while maintaining aspect ratio.
Heng Jia Liang
Simulate gears, calculate ratios, track speed
Calculate ratios, torque, and speed for train systems. Input teeth numbers and speeds to determine outputs. Simulate train operation instantly. Preview system functionality before 3D printing.
Robert Sayman
Calculate vehicle speed and ratios easily.
The app calculates gear ratio, driveline ratio, and vehicle speed using US and Metric units. It supports multiple input methods for tire size and saves calculation history for quick reference.
Matt Herz
Calculate gears for your bike
Calculate ratios for chainrings 44–70 teeth and cogs 8–20 teeth. Determine speed and cadence based on selection. Find the next higher or lower available in your current setup. Sync data between iPhone and Apple Watch.
ABT Co Ltd
Calculate ratios and visualize speed-cadence graphs
Calculate ratios for bicycles with external gearboxes. Input chainwheel, sprocket, and tire sizes to generate speed-cadence and graphs. Simulate optimal ratios by toggling display settings for outer and inner gears.
V PUGAZHENTHI
Calculate currents and determine type
Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.
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