# Keyword Analysis & Research: engine rpm calculator

## Keyword Research: People who searched engine rpm calculator also searched

What is the formula for calculating engine rpm?

This RPM calculation equation can be applied to any vehicle. If you’re looking to figure out your tire diameter, head over to our Tire Size Calculator for more info! EngineRPM = (RearAxleRatio x Vehicle Speed x TransRatio x 336.13) / TireDiameter Andrew is a Jeep TJ owner and car industry aficionado with over 150 articles under his belt.

How do you measure engine RPM?

Engine RPM, or the speed at which the engine turns, can be calculated at any speed given the vehicle's tire size, axle ratio, and final transmission gear ratio. This calculation is used to match oversize tires with new ring and pinion gears to obtain the desired engine RPM at highway speed.

What factors affect engine RPM?

In order to figure out your Engine RPM at a particular speed, your transmission gear ratio, rear gear ratio and tire size need to be taken into account as all three of those numbers could have an effect on RPM. This RPM calculation equation can be applied to any vehicle.

What is the best gear ratio for engine RPM?

A friend of yours suggested to jump to 4.10 rear gears to help with acceleration. This calculator will help you determine that with 4.10 gears, your engine will be spinning at 2,368 RPM at 70 mph. This equates to slightly less fuel economy and slightly more strain on your engine when driving down the highway.