dBm Power Converter
Convert between dBm, watts, volts and more
Converter
Calculation History
Input Value
Options
About dBm:
dBm is a power measurement relative to 1 milliwatt (0 dBm = 1 mW). It's commonly used in RF and microwave engineering.
Conversion Results
0 dBm
| Unit | Value |
|---|---|
| dBm | 0.00 dBm |
| Watts (W) | 1.00 mW |
| Milliwatts (mW) | 1.00 mW |
| Microwatts (µW) | 1,000.00 µW |
| Volts (V) | 0.22 V |
Reference Power
1.00 mW
Impedance Used
50 Ω
Voltage (RMS)
0.22 V
Current (RMS)
4.47 mA
| Power Level | Typical Application |
|---|---|
| +30 dBm | RF transmitters |
| +20 dBm | Wi-Fi routers |
| 0 dBm | Reference level |
| -30 dBm | Received signal |
| -60 dBm | Minimum for communication |
Calculation History
| Date | Input Value | Input Unit | dBm Result | Impedance | Actions |
|---|
Calculation saved to history
A dBm converter is a tool that helps convert power levels between decibel-milliwatts (dBm) and milliwatts (mW), watts (W), or other logarithmic power units. dBm is a logarithmic unit used to express absolute power in radio frequency (RF), telecommunications, and electronics.
Key Features of a dBm Converter
Converts dBm to mW and vice versa using the formula:
- mW = 10^(dBm/10)
- dBm = 10 × log₁₀(mW)
Supports conversions to watts (W), dBW (decibel-watts), and voltage (V) in specific impedances.
Useful for RF engineering, Wi-Fi signal analysis, fiber optics, and audio systems.
Example Conversions
- 0 dBm = 1 mW (reference level)
- 10 dBm = 10 mW
- -30 dBm = 0.001 mW (1 μW)
Why Use a dBm Converter?
Simplifies power level calculations in wireless networks, amplifiers, and signal testing.
Helps interpret signal strength (e.g., Wi-Fi routers, cellular networks).
Ensures accurate measurements in dBm, mW, or watts without manual calculations.
Whether you're an engineer, technician, or hobbyist, a dBm converter provides quick and precise power unit conversions for better signal analysis.