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Ear Calculator
Estimate the noise level reaching your ears under hearing protection, using the earplug NRR rating.
ruler Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
Estimated exposure under the plug
Compare Your Options And Get Clear Answers
Estimate the noise level reaching your ears under hearing protection, using the earplug NRR rating.
Ear Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Effective reduction = (NRR – 7) / 2.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Ear Quick Guide
Typical values for reference.
| NRR | Noise dBA | Exposure | |
|---|---|---|---|
| 29 | 100 | 89 dBA | |
| 33 | 105 | 92 dBA | |
| 22 | 95 | 88 dBA | |
| 25 | 85 | 76 dBA | |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Ear Calculator FAQ
Answers to common questions about this calculator.
A noise reduction rating for hearing protectors.
Lab ratings overstate real-world protection.
85 dBA for 8 hours.
No.