How many jack in 1 half gallons? The answer is 31.99999983093. We assume you are converting between jack [wine] and half US gallon. You can view more details on each measurement unit: jack or half gallons The SI derived unit for volume is the cubic meter. 1 cubic meter is equal to 16907.01127946 jack, or 528.34410527459 half gallons. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between jack [wine] and half US gallons. Type in your own numbers in the form to convert the units!
1 jack to half gallons = 0.03125 half gallons
10 jack to half gallons = 0.3125 half gallons
20 jack to half gallons = 0.625 half gallons
30 jack to half gallons = 0.9375 half gallons
40 jack to half gallons = 1.25 half gallons
50 jack to half gallons = 1.5625 half gallons
100 jack to half gallons = 3.125 half gallons
200 jack to half gallons = 6.25 half gallons
You can do the reverse unit conversion from half gallons to jack, or enter any two units below:
A jack was a 2 ounce measure of wine in England.
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