proof (UK) to fraction
1 UK Proof = 0.005715 ABV Fraction · fixed factor via canonical reference constants · no offset
Direct Answer
1 UK Proof equals 0.005715 ABV Fraction
This conversion uses a fixed factor based on canonical reference constants.
For 0.25 UK Proof, the result equals 0.001429 ABV Fraction.
Converter Calculator
1 UK Proof (proof (UK)) =
0.005715 ABV Fraction (fraction)
Explanation
Multiply by 0.005715 because 1 proof (UK) corresponds to 0.5715% ABV and 1 fraction corresponds to 100% ABV. 100 UK proof equals 57.15% ABV. ABV fraction is a 0 to 1 scale where 1 equals 100% ABV.
UK Proof to ABV Fraction follows one canonical fixed-factor definition tied to canonical reference constants, keeping calculator output and table values aligned.
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The same constants drive calculator output and common-value rows, so quick checks and manual calculations remain consistent.
Common Conversion Values
| UK Proof (proof (UK)) | ABV Fraction (fraction) |
|---|---|
| 0.25 | 0.001429 |
| 0.5 | 0.002858 |
| 1 | 0.005715 |
| 5 | 0.028575 |
| 12 | 0.06858 |
| 20 | 0.1143 |
| 40 | 0.2286 |
| 57.15 | 0.326612 |
| 80 | 0.4572 |
| 100 | 0.5715 |