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Alcohol dilution calculator

Approximate water quantity for beverage dilution, with an explicit model limitation.

Rules reviewed: 2026-10-13BS / EN
01

Your inputs

Starting values are an example. Replace them with your own.

Your inputs stay in your browser.

02

Your result

Enter your details and run the calculation.

METHOD

How it is calculated

Approximate water = initial volume × (initial ABV / target ABV − 1).