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dBm Converter FullScreen

Effortlessly convert dBm (decibel-milliwatts) to various power units with our user-friendly dBm Converter. Convert dBm to milliwatts (mW), watts (W), or decibel-watts (dBW) with simple formulas. Whether for telecommunications, RF engineering, or signal strength calculations, our converter provides accurate and quick results.



What is dBm Converter

To convert milliwatts (mW) to decibel-milliwatts (dBm), you can use the following formula:

dBm = 10 * log10(mW)

Where mW is the value in milliwatts and dBm is the value in decibel-milliwatts.

For example, let's convert 100 milliwatts to dBm:

dBm = 10 * log10(100) dBm ≈ 20

Therefore, 100 milliwatts is approximately equal to 20 dBm.

It's important to note that the dBm scale represents power ratios relative to 1 milliwatt using a logarithmic scale. The reference level of 0 dBm corresponds to 1 milliwatt. Positive values represent power levels higher than 1 milliwatt, while negative values represent power levels lower than 1 milliwatt.