🔊 Engineering
2 calculators available
Applied Acoustics
2 tools
Noise Dose Calculator (OSHA & NIOSH)
Calculate daily noise exposure dose (%), TWA (Time Weighted Average), and permissible exposure limits. Supports OSHA (5dB exchange) and NIOSH (3dB) standards.
NRR Calculator — Noise Reduction Rating (OSHA)
Calculate effective hearing protection attenuation. Supports NRR to dBA conversion, OSHA derating, and dual protection logic.