Oil Mixing Ratios per gallon of Gasoline

Ratio
Oz of Oil
1:50
2.56
1:40
3.2
1:32
4
1:24
5.33
1:16
8

The number of ounces of oil needed is calculated by dividing the ratio into the ounces per gallon (128 oz = 1 gallon)

As an example, a ratio of 1:32 is calculated by 128 / 32 = 4. Therefore, mixing 4 oz of oil into a gallon of gasoline will result in a ratio of 1:32.