How much gas and oil mix to get 50.1 ratio?

To achieve a 50:1 fuel-to-oil mix, you'll need 50 parts gasoline for every 1 part oil. For example, if you are mixing 50 ounces of gasoline, you would add 1 ounce of two-stroke oil. Alternatively, for a larger quantity, mixing 5 gallons (640 ounces) of gasoline would require 12.8 ounces of oil to maintain the 50:1 ratio.