FieldengRF, Radio & Wireless
dBm ↔ Watts
Convert RF power between watts and dBm (referenced to 1 mW).
Convert RF power between watts and dBm (referenced to 1 mW).
App id: RF-01. Reference version 1.0.
How to fill it
Leave one field blank. The tool solves the rest.
On the tool screen, Calc is the working sheet. Presets stores values you reuse. Reference is the formula, assumptions, and provenance below.
Formula
dBm = 10 log10(W) + 30Inputs
| Name | Unit |
|---|---|
| Power | W |
| Power | dBm |
Outputs
| Name | Unit |
|---|---|
| Power | W |
| Power (hero result) | dBm |
Diagnose
This tool does not attach diagnose observations.
Assumptions
- Power must be greater than zero. dBm is not dBW.
Provenance
- 0 dBm = 1 mW. Shared unit engine performs the log conversion.