Percent Transmittance Calculator
Convert between absorbance and percent transmittance.
Compare Your Options And Get Clear Answers
Convert between absorbance and percent transmittance.
Percent Transmittance Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
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Percent Quick Guide
Typical values for reference.
| Absorbance | Concentration (mol/L) | Path length (cm) | Transmittance |
|---|---|---|---|
| 0.5 | 0.0001 | 1 | 31.6% |
| 0.1 | 0.0001 | 1 | 79.4% |
| 1 | 0.0001 | 1 | 10.0% |
| 2 | 0.0001 | 1 | 1.00% |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Percent Transmittance Calculator FAQ
Answers to common questions about this calculator.
It uses the formula shown with your inputs. Real conditions vary, so treat it as a guide.
Keep absorbance under 1.5 for accuracy.
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.
Yes. Replace each input with your own figures and the result updates instantly.