Beckify Electrical Engineering Toolbox
Sound Level Meter
Relative dBFS meter with optional A-weighting approximation, running peak, Leq-style average, and one-point calibration. Not a calibrated SPL meter. On-device audio only.
About this calculator
Use this free browser-based calculator to work through the relevant electrical inputs, review the result, and compare it with field conditions.
For design, installation, or safety decisions, verify assumptions against the applicable code edition, equipment documentation, and site requirements.
Open the interactive tool