How they differ
Under the hood, Cider ABV Calculator uses standard brewing formulas (tinseth, daniels) fed by volume, gravity, hop bill, fermentation profile. Wine ABV Calculator uses standard brewing formulas (tinseth, daniels) fed by volume, gravity, hop bill, fermentation profile. The two are not substitutes; they answer adjacent questions in your workflow.
Pick Cider ABV Calculator when your question is about cider abv and your inputs are volume, gravity, hop bill, fermentation profile. Pick Wine ABV Calculator when the question shifts to wine abv and your inputs become volume, gravity, hop bill, fermentation profile. If neither matches what you need, the Brewing category hub lists every tool we have for related questions.