# Transmission Ratio

Browse 4 online Transmission Ratio tools for working with transmission ratio tasks in your browser. Text inputs are not stored, and uploaded files are deleted after 6 hours.

> Canonical page: https://elysiatools.com/en/tags/transmission-ratio

## Overview

Use this collection of 4 Transmission Ratio tools to work with transmission ratio tasks through a browser-based interface, with no software installation required.

## Frequently asked questions

### What can I do with Transmission Ratio tools?

You can use the available online tools for transmission ratio tasks through your browser. The specific operation depends on the tool you select.

### How is my data handled?

Tools are operated through the browser, while processing runs on Elysia Tools servers. Text inputs are not stored, and uploaded files are automatically deleted after 6 hours.

### Do I need to install software?

No. You can access and use these Transmission Ratio tools through a web browser without installing software.

## Tools

- [Belt Pulley Speed Ratio Calculator](https://elysiatools.com/en/tools/belt-pulley-speed-ratio): Calculate the ratio, driven speed and belt linear speed of a belt drive. i = d₂/d₁ = n₁/n₂, belt speed v = π·d·n/60. Supports mm/cm/m/inch diameter units.
- [Chain Sprocket Ratio Calculator](https://elysiatools.com/en/tools/chain-sprocket-ratio): Calculate the ratio, driven speed and chain linear speed of a chain drive. i = z₂/z₁ = n₁/n₂, chain speed v = z₁·p·n₁/60000. Enter the pitch to compute chain speed.
- [Gear Ratio Calculator](https://elysiatools.com/en/tools/gear-ratio-calculator): Calculate the gear ratio and output speed of a meshing gear pair. i = z₂/z₁ = n₁/n₂. Enter the tooth counts to get the ratio; add the driver speed to get the driven speed.
- [Gear Train Speed Ratio Calculator](https://elysiatools.com/en/tools/gear-train-speed-ratio): Calculate the overall ratio and output speed of a multi-stage gear train. i_total = i₁·i₂·…·iₙ (each i = z₂/z₁). Enter tooth pairs per stage and the input speed to get the final output speed.

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