Proof & ABV Calculator
Convert between US proof, UK proof (Sikes), ABV%, and Gay-Lussac degrees. Includes spirit blending calculator.
Inputs
Enter the value to convert (in the unit selected below)
Volume of spirit 1
Results
US Proof
80.0 proof
UK Proof (Sikes)
70.0° Sikes
ABV
40.00%
Gay-Lussac
40.00 °GL
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Artisan by Irora Labs
March 23, 2026
Inputs
| Mode | convert |
| Input Value | 80 |
| Input Unit | us_proof |
| Spirit 1 Volume | 500 ml |
| Spirit 1 ABV | 60 % |
| Spirit 2 Volume | 300 ml |
| Spirit 2 ABV | 40 % |
Results
| US Proof | 80.0 proof |
| UK Proof (Sikes) | 70.0° Sikes |
| ABV | 40.00% |
| Gay-Lussac | 40.00 °GL |
Created with Artisan. artisan.iroralabs.com/craft-calculators/proof-calculator
Tips
Open formula
Converts between proof systems and calculates blended ABV using volume-weighted average.
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