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Final Drive Ratio Formula

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Final Drive Ratio is defined as the ratio of how many times the pinion rotates for every rotation of the car's wheels. Check FAQs

F = G rear \cdot O′

F - Final Drive Ratio?G_rear - Rear Gear Ratio?O′ - Overdrive Ratio?

Final Drive Ratio Example

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Here is how the Final Drive Ratio equation looks like with Values.

Here is how the Final Drive Ratio equation looks like with Units.

Here is how the Final Drive Ratio equation looks like.

2.6 = 4 \cdot 0.65

2.6 = 4 \cdot 0.65

2.6 = 4 \cdot 0.65

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Final Drive Ratio Solution

Follow our step by step solution on how to calculate Final Drive Ratio?

FIRST Step Consider the formula

F = G rear \cdot O′

Next Step Substitute values of Variables

∴

F = 4 \cdot 0.65

Next Step Prepare to Evaluate

∴

F = 4 \cdot 0.65

LAST Step Evaluate

∴

F = 2.6

Final Drive Ratio Formula Elements

Variables

Final Drive Ratio

Final Drive Ratio is defined as the ratio of how many times the pinion rotates for every rotation of the car's wheels.

Symbol: F

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Final Drive Ratio

Rear Gear Ratio

Rear Gear Ratio is defined as the number of teeth on the ring i.e. driven gear divided by the number of teeth on the pinion i.e. the driver gear.

Symbol: G_rear

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Rear Gear Ratio

Overdrive Ratio

Overdrive Ratio is defined as when the output rpm of transmission is greater than the rpm at input of transmission and the ratio will be less than 1.

Symbol: O′

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Overdrive Ratio

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How to Evaluate Final Drive Ratio?

Final Drive Ratio evaluator uses Final Drive Ratio = Rear Gear Ratio*Overdrive Ratio to evaluate the Final Drive Ratio, The Final drive ratio formula is defined as the ratio of how many times the pinion rotates for every rotation of the car's wheels. Final Drive Ratio is denoted by F symbol.

How to evaluate Final Drive Ratio using this online evaluator? To use this online evaluator for Final Drive Ratio, enter Rear Gear Ratio (G_rear) & Overdrive Ratio (O′) and hit the calculate button.

FAQs on Final Drive Ratio

What is the formula to find Final Drive Ratio?

The formula of Final Drive Ratio is expressed as Final Drive Ratio = Rear Gear Ratio*Overdrive Ratio. Here is an example- 2.6 = 4*0.65.

How to calculate Final Drive Ratio?

With Rear Gear Ratio (G_rear) & Overdrive Ratio (O′) we can find Final Drive Ratio using the formula - Final Drive Ratio = Rear Gear Ratio*Overdrive Ratio.

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Final Drive Ratio Formula

Final Drive Ratio Example

Final Drive Ratio Solution

Final Drive Ratio Formula Elements

Other formulas in Driveline category

How to Evaluate Final Drive Ratio?

FAQs on Final Drive Ratio

Variable Name