Coaxial Cable Attenuation Calculator


Calculating coaxial cable attenuation is crucial for designing and optimizing communication systems. Whether you’re an engineer, technician, or enthusiast, having an accurate tool for this calculation is essential. In this article, we’ll introduce you to a handy calculator that can efficiently determine coaxial cable attenuation.

How to Use

Using the coaxial cable attenuation calculator is simple. Just input the required parameters into the designated fields, and the calculator will provide you with the attenuation value.


The formula for calculating coaxial cable attenuation is:


  • Frequency: Frequency of operation in MHz.
  • Distance: Distance of the cable in feet.
  • Velocity Factor: Velocity factor of the cable.
  • Cable Length: Length of the cable in feet.

Example Solve

Let’s solve an example using the calculator:

  • Frequency: 100 MHz
  • Distance: 500 feet
  • Velocity Factor: 0.66
  • Cable Length: 1000 feet

Plugging these values into the calculator, we get an attenuation of approximately 1.296 dB.


Q: What is coaxial cable attenuation?
A: Coaxial cable attenuation refers to the reduction in signal strength as it travels along the cable due to factors such as resistance, dielectric losses, and radiation.

Q: Why is coaxial cable attenuation important?
A: Coaxial cable attenuation is crucial in determining the signal loss over distance, which is essential for maintaining signal integrity and optimizing communication system performance.

Q: How accurate is the calculator’s calculation?
A: The calculator uses the precise formula for coaxial cable attenuation and provides accurate results based on the input parameters.


The coaxial cable attenuation calculator presented here offers a convenient way to determine signal loss in coaxial cables. By inputting the relevant parameters, users can quickly obtain accurate attenuation values, aiding in the design and optimization of communication systems.

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