dBm Calculator
Convert power P (mW) to dBm = 10·log₁₀(P/1 mW).
Input Data
Input Power P.
mW
Results
30dBm
dBm = 10·log₁₀(P / 1 mW).
At a glance:dBm Calculator: enter parameters to compute results; complements related calculators.
Formula
dBm = 10 · log₁₀(P_mW).
How to Use
- Enter power (mW).
- It returns dBm.
Case Studies
1 W = 1000 mW → 30 dBm
1 mW is the 0 dBm reference.
FAQ
dBm vs dB?
dBm is absolute (ref 1 mW); dB is a relative ratio.
Related Tools
References
Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.