Alcohol dilution

Alcohol dilution: use starting solution volume, starting abv, target abv. Review the formula, worked example and calculation steps.

Inputs

Use the units shown
RESULT
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Enter your values and select Calculate.

Formula & explanation
Added diluent = start volume × (start ABV/target ABV−1)

Variables & units

Starting solution volume
mL · minimum 0, maximum 1000000000000
Starting ABV
% · minimum 0, maximum 100
Target ABV
% · minimum 0.000001, maximum 1000000000000

Worked example

Use the example inputs to explore this model; the solution shows each supplied quantity.

Assumptions

Ideal additive-volume approximation; mixing contraction and temperature effects are excluded.

Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.

Practice with an example

Use the default input values to find the answer. The reset icon restores those values.

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