Antenna Gain Converter
Enter an antenna gain value to convert between dBi and dBd units. Runs entirely in your browser.
🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.
Result
dBd = dBi − 2.15
Example shown — enter your own values to recalculate.
How it works
- Enter your values into the fields above.
- The result updates to reflect your inputs.
- Use the result to plan or document your work.
Enter an antenna gain value to convert between dBi and dBd units. Runs entirely in your browser.
FAQ
Is my data uploaded anywhere?
No. Antenna Gain Converter runs entirely in your browser — nothing is sent to a server.
Is this tool free to use?
Yes, Antenna Gain Converter is completely free with no sign-up required.
How accurate is the result?
The calculation follows the standard formula for this type of estimate; always confirm against project-specific specs for critical work.
Can I use this on mobile?
Yes, the tool is fully responsive and works on any device with a modern browser.
How we compare
| Feature | Online Tool Store | Manual calculation | Spreadsheet templates |
|---|---|---|---|
| Instant result | ✓ | Slow, error-prone | ✓ |
| Free, no sign-up | ✓ | ✓ | Often requires download |
Spreadsheet templates can go deeper for repeated project tracking. Antenna Gain Converter gives a quick, free result for a one-off calculation.