Automotive Brake Calculator


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Force on pedal pad for maximum deceleration has to feel comfortable for you, the driver, when repeated several hundreds of times during a race. For the "average driver" a common figure is 75 lbs (34 kg). Some drivers like a brake pedal that is "firm", which usually means they are satisfied with a maximum pedal effort of around 100 lbs (45 kg).

Bottom line: Choose the number that you are comfortable with; the rest of your brake system can be designed to work with that number. Keep in mind though, that if the car is being shared with other drivers, pedal effort should "fit" the lightest or least strong driver.

Note: The above information applies to race cars. On the other hand, road cars are designed to be comfortably and safely used by any adult, without having to adjust or modify them first. For example: a 95 lbs person should be able to "brake into the ABS" just as easy as any other heavier or stronger driver. Therefore, on standard road cars, you might find that for example 45 lbs is the number that is required to achieve maximum deceleration for that particular vehicle.


Last Update: 01/01/2017
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