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Calcimator

ABV Calculator

Calculate Alcohol By Volume (ABV) from original and final gravity readings. Essential for home brewers and winemakers.

Inputs

Results

ABV (Alcohol By Volume)

5.25%

ABW (Alcohol By Weight)4.2%
Apparent Attenuation80%
Calories (per 12oz)869

ABV (Alcohol By Volume)

5.25%

How to Use This Calculator
  1. Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
  2. Original Gravity (OG) — Specific gravity before fermentation. Accepts values from 1 to 1.15 (default: 1.05).
  3. Final Gravity (FG) — Specific gravity after fermentation. Accepts values from 0.99 to 1.1 (default: 1.01).
  4. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  5. ABV (Alcohol By Volume) — shown as a percentage. This is the primary result of this calculator.
  6. ABW (Alcohol By Weight) — shown as a percentage.
  7. Apparent Attenuation — shown as a percentage.
  8. Calories (per 12oz) — shown as a numeric value.
  9. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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