What is a proof gallon?

A US proof gallon is one wine gallon of spirits at 100 proof (50% alcohol by volume). Proof gallons = wine gallons × proof ÷ 100.

Does this calculator file Form 5110.11?

No. Results are planning figures that support your records. Official gauges are what belong on a TTB report. CaskControl does not sign or file.

What temperature range do Tables 1+7 use?

The combined Table 1 and Table 7 path accepts whole degrees Fahrenheit from 18 through 100, matching the usable overlap of those gauging tables.

Free tool

Proof gallon calculator

Convert US wine gallons and proof (or ABV) into proof gallons. Optional temperature uses TTB Table 1 (true proof) + Table 7 (volume at 60°F). Results are planning figures — official gauges are what go on a TTB report.

How proof gallons work. US proof gallons = wine gallons × proof ÷ 100. With a temperature, this tool applies Table 1 true proof and Table 7 volume-at-60°F factors from the TTB Gauging Manual (embedded tables). It does not sign or file reports.

Planning figures only. Official gauges are what belong on a TTB report. Not affiliated with or endorsed by the Alcohol and Tobacco Tax and Trade Bureau (TTB).

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