Note these are for oak cubes. I prefer oak cubes over chips, they are toasted more evenly and in my opinion impart a better oak flavor.
Oak Cube Dosages:
In general:
1 ounce is 34 cubes 2 ounces is 68 cubes 3 ounces is 102 cubes
So, from this we can calculate the following dosage rates:
“1 ounce per 5 gallons” dosage rate is: 34 cubes for 5 gallons
7 cubes (rounded-up from 6.8) for 1 gallon 2 cubes (rounded-up from 1.8) for 1 liter
“2 ounces per 5 gallons” dosage rate is: 68 cubes for 5 gallons
14 cubes (rounded-up from 13.6) for 1 gallon 4 cubes (rounded-up from 3.6) for 1 liter
“2.5 ounces per 5 gallons” dosage rate is: 85 cubes for 5 gallons
18 cubes (rounded-up from 17.5) for 1 gallon 5 cubes (rounded-up from 4.6) for 1 liter
“3 ounces per 5 gallons” dosage rate is: 102 cubes for 5 gallons
21 cubes (rounded-up from 20.4) for 1 gallon 6 cubes (rounded-up from 5.4) for 1 liter
*NOTE: that 2.5 to 3 ounces per 5 gallons is considered to be equivalent to “new barrel” extraction rates.