RF Precision Engine • IEEE & 3GPP Standard

dBm to Watts

Real-time bidirectional power conversion between dBm, Watts, milliwatts, and RMS voltage at 50Ω, 75Ω & 600Ω with step-by-step formula breakdown.

Impedance (Z₀):

Decimals:

Decibel-Milliwatts Logarithmic Power

dBm

Live Sync

Linear Power Absolute Output

RF Quick Step:

Click any card to copy

Watts Copy

1.0000 W

Milliwatts Copy

1000.0 mW

Micro / Nano Copy

1,000,000 µW

Decibel-Watts Copy

0.0000 dBW

RMS Voltage (50Ω) Copy

7.0711 Vrms

Peak-to-Peak (Vpp) Copy

20.000 Vpp

EMC Level Copy

137.00 dBµV

Real-World Benchmark View Spectrum →

1 Watt • High-Power Wi-Fi Router Max

Live Mathematical Derivation

Step 1: Normalize dBm Exponent = (30 dBm − 30) / 10 = 0.0000

Step 2: Linear Power P(Watts) = 10^(0.0000) = 1.0000 Watts (1,000 mW)

Step 3: Voltage at 50Ω V_rms = √(1.0000 W × 50 Ω) = 7.0711 V_rms