🔗 Open the full-page Ohm’s Law Calculator

The relationships

For many practical problems, V = I × R and P = V × I are enough to reason about circuits. Equivalent forms P = I²R and P = V²/R explain why heat rises quickly when current increases.

🔗 Use the full-page Use RF & Electronics Power Conversion Tool here for the best experience

Understanding RF Power Units and Conversions

Introduction

This guide explains the different RF power units and how to convert between them.