DecibelIQ
Noise Decibel Reference & Complaint Checker
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Start using the tool immediately. No account or login required.
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Free to Use
A completely free reference tool provided by DDP Consulting Group LLC.
100% Private
All calculations happen in your browser. No data is stored or shared.
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Section 1
Decibel Reference Library
Explore common sounds from whisper-quiet to jet-engine loud. Click any marker on the scale or browse the cards below.
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Section 2
Noise Complaint Checker
Select your location, noise type, and time of day to see the applicable legal threshold and whether your complaint is likely valid.
Legal thresholds are sourced from publicly available regulations and updated periodically. Always verify with your local council or authority before taking enforcement action. Last updated: May 2026.
Bonus Tool
Is This Safe for My Ears?
Based on WHO hearing safety guidelines, check whether your noise exposure level and duration poses a hearing risk.
Bonus Tool
Compare Two Sounds
Select any two sounds to see their decibel difference and understand what that means in practice.
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