AV Engineering Tools

Free, open source calculators for AV system design and engineering.

3 tools

Convert between dBu, dBV, dBFS, and acoustic SPL. Calculate voltage and power ratios.

Calculate projector throw distance, screen width, or throw ratio from any two known values.

Estimate signal attenuation in coax and twisted-pair AV cables by length and frequency.

Open an issue on GitHub to request a calculator, or submit a PR with your own. All tools are client-side JavaScript – no server required.