Calculators

Quick maths for gravity, proofing, dilution, blending and yield

ABV from gravity

Fermentation strength from original and final gravity.

Original gravity

Final gravity

ABV: —

Water to add to bring a spirit down to bottling strength.

Current volume

Current ABV %

Target ABV %

Add water: — → total —

Combined strength when marrying two volumes.

Volume A

ABV A %

Volume B

ABV B %

Blend: — @ —

Pure alcohol in the wash and the volume you should collect.

Wash volume

Wash ABV %

Collection ABV %

Pure alcohol: — · expected collection: — at —

US proof is twice the alcohol by volume.

ABV %

— = —