Relative Armor Thickness Calculator


Calculating the relative armor thickness of a material is crucial in various engineering and design applications, particularly in fields like armor design, material science, and automotive engineering. This calculation helps in understanding how effective a material is in providing protection against impacts and penetration.

How to Use:

To use the relative armor thickness calculator, simply input the required values into the designated fields and click the “Calculate” button. The calculator will then process the inputs and provide you with the relative armor thickness.


The formula for calculating relative armor thickness (RAT) is given by:


  • RAT = Relative Armor Thickness
  • T = Actual thickness of the armor (in millimeters)
  • B = Ballistic limit (in millimeters)

Example Solve:

Let’s consider an example where the actual thickness of the armor (T) is 50 mm, and the ballistic limit (B) is 100 mm.

So, the relative armor thickness in this case would be 5.


Q: What is relative armor thickness?
A: Relative armor thickness (RAT) is a measure of the effectiveness of armor in resisting penetration. It is calculated by comparing the actual thickness of the armor to the ballistic limit.

Q: Why is relative armor thickness important?
A: Relative armor thickness helps in assessing the protective capabilities of different materials and designs. It is crucial in optimizing armor configurations for various applications.

Q: Can relative armor thickness be used in different industries?
A: Yes, relative armor thickness calculations find applications in industries such as military, automotive, construction, and material science.


In conclusion, the relative armor thickness calculator provides a simple yet essential tool for engineers and designers to evaluate the effectiveness of armor materials. By understanding the relative armor thickness, professionals can make informed decisions when selecting materials for protective applications.

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