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Volts to Watts Converter

Use this tool to convert RMS (Root Mean Square) voltage to power (in watts) based on system impedance. RMS represents the effective voltage of an AC signal.

V
Ω
Result: 0 W

Conversion Formula:

Watts = (V²) ÷ Z

Calculation Steps:

1. Square the RMS Voltage

2. Divide by System Impedance

Common Reference Points:

  • 120V @ 50Ω = 288W
  • 240V @ 50Ω = 1152W

This tool helps with:

  • Performing power calculations using the formula Watts = (Voltage²) ÷ Impedance.

  • Converting RMS voltage measurements to power values in testing setups.

  • Verifying power levels for given voltage and impedance values.

Last updated on May 27, 2025 by IBL-Editors Team How helpful was this content for you?