gas ratio

How Many Ounces Is A 50 To 1 Ratio? For a 50:1 ratio of gas to oil, use 2.6 fluid ounces of oil per gallon of gas. How do you calculate a 50 to 1 ratio? You want to mix 2.6 ounces of oil to one gallon of gasoline for a 50:1 mixture. If you’re