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Free OSHA Hearing Conservation Calculators

The OSHA math your hearing conservation program runs on — without the spreadsheets. Built by Soundtrace for safety managers, HCP coordinators, and CAOHC techs.

4 calculators liveBuilt by CAOHC-certified OHCsOSHA + NIOSH compliant mathRuns in your browser

On the Roadmap

More Free Tools Coming Soon

We're building these next. Want to weigh in on what comes first? Tell us at Talk to a CAOHC-certified OHC.

Coming Soon

Daily Noise Dose Calculator

Project a worker's daily dose %, time-to-100%, and total acoustic energy at the current noise level — without converting to TWA first.

Coming Soon

OSHA Action Level / PEL Comparator

Single-input tool: enter a dBA + duration, get back exactly which OSHA Hearing Conservation Program elements are triggered (monitoring, audiograms, training, HPDs).

Coming Soon

Audiogram Plotter

Drop in a worker's thresholds and get a clean, printable per-ear audiogram with PTA, severity classification, and configural pattern (notched, sloping, flat).

Common Questions

Free Tools FAQ

Yes — completely free, no sign-up, no email gate, no usage limits. Run them as many times as you want. They're built to help safety managers and HCP coordinators do quick OSHA-compliant math without firing up a spreadsheet.

Stop running these calculations by hand

Soundtrace runs every TWA, fit test, audiogram, STS check, and OSHA 300 entry automatically — tied to each worker's record. The calculators on this page are useful. A connected program is faster.