Free-Space Path Loss Calculator

Calculate free-space path loss (FSPL) for RF signals given distance and frequency. Supports km, meters, and miles for distance, and MHz/GHz for frequency. Shows wavelength and formula breakdown.

How to Use Free-Space Path Loss Calculator

Enter the distance between transmitter and receiver, select the distance unit (km, m, or miles), enter the signal frequency, select MHz or GHz, and click Calculate to see the free-space path loss in dB along with the formula breakdown.

Step-by-Step Instructions

  1. Enter distance and select unit
  2. Enter frequency and select MHz or GHz
  3. Click Calculate FSPL
  4. View path loss in dB and formula breakdown

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