dB to Watt Calculator

This calculator is used to convert from dB to Watt as a measure of sound or noise level.

Sound power levels or L_wdB are determined by the following formula:

L_wdB = 10*Log₁₀ (L_w/ L_R)

The reference power L_R is one trillionth of a Watt or 10^-12 W

Use the tool below to convert from dB to Watt

The picture below shows the sound power level in dB vs the sound power level in Watt (W)

Use this calculator to convert from Watt to dB

If you are looking for calculators that are specific to Electronics and Electrical Engineering:

• dBm to Watt
• dBm to dBW
• dBW to dBm
• dBW to Watt
• Watt to dBW