Free distillery calculator
Spirit Dilution Calculator
Calculate the theoretical water addition and final volume when reducing spirit to a target ABV.
Water to add62.5 L
Final volume162.5 L
LAA65 L
Production note
Theoretical planning result only. Verify measurements, temperature corrections, contraction, and compliance requirements in your operation.
How the calculation works
100 L at 65% ABV proofed to 40% yields a theoretical 162.5 L, requiring 62.5 L of water.
Stillbench uses straightforward conservation and unit relationships for planning. Results are theoretical and should be checked against production measurements and applicable requirements.
Frequently asked questions
Does dilution change litres of absolute alcohol?
No. The theoretical calculation conserves pure alcohol.
Does this account for contraction?
No. Verify final production volume after mixing, resting, and temperature correction.