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Real Attenuation Calculator
Calculate real attenuation from original and final gravity.
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Real attenuation
Compare Your Options And Get Clear Answers
Calculate real attenuation from original and final gravity.
Real Attenuation Estimator
Enter your numbers below for an instant estimate.
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💡 Tip: Real extract RE = 0.1808 x OP + 0.8192 x FP.
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
Real Quick Guide
Typical values for reference.
| Yeast | Attenuation | Type | Note |
|---|---|---|---|
| Ale | 70-80% | Standard | Common |
| Lager | 75-82% | Clean | Cold |
| Belgian | 80-90% | Dry | High |
| Wine | 90%+ | Very dry | Full |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Real Attenuation Calculator FAQ
Answers to common questions about this calculator.
The percentage of sugars yeast converted to alcohol and CO2.
It gives a quick estimate of real attenuation from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.