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Calculates beer alcohol content from original gravity and final gravity. Helps brewers and consumers understand strength.
Fórmula
ABV = (OG - FG) × 131.25
- ABV
- (OG - FG) × 131 — (OG - FG) × 131
- OG
- OG value — Variable used in the calculation
- FG
- FG value — Variable used in the calculation
Guia passo a passo
- 1Original gravity (OG) and final gravity (FG) measured
- 2ABV = (OG - FG) × 131.25
- 3Ranges: light beer 3-4%, regular 4-5%, craft 5-8%, imperial stouts 8-12%+
- 4Hydrometer measures specific gravity
Exemplos resolvidos
Entrada
OG 1.050, FG 1.010
Resultado
5.2% ABV
Erros comuns a evitar
- ✕Assuming darker beer equals higher ABV (not true)
- ✕Not accounting for gravity adjustment formulas at high ABV
Perguntas frequentes
What's the difference between ABV and IBU?
ABV: alcohol content (strength); IBU: bitterness units (not strength related).
Do different beer styles have different ABV?
Yes; lagers 4-6%, IPAs 6-8%, stouts 5-8%, imperial styles 8-12%+.
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