1 gallon = 128 fluid ounces 1/50 of a gallon = 2.56 fluid ounces
1 Gallon = 128 ounces, so 1/20 of 129 = 6.4 ounces (call it 6 1/2 ounces).
There are 16 cups in a gallon. So divide 2.6 by 16. This equals .1625 ounces.
6.4 ounces for each gallon of gas.
Since there are 128 ounces in a gallon, to get a 25:1 mix using 1 gallon of gas means you need 128/25 = 5.12 ounces of oil.
Googling "one gallon in ounces" gives you 128. 1/16 of that is 8. So for each gallon of gas you'd need a measuring cup of oil.
6 ounces
1 gallon of oil to 250 gallons of gas is 1.953125 ounces per gallon; you would need 39.0625 ounces of oil for 20 gallons of gas.
5.5 ounces to a US Gallon which is 128 ounces. 24 divided into 128 = 5.33
every gallon of gas 4 ounces of oil
4 ounces of oil to 1 gallon of gas.
To achieve a 40 to 1 fuel mixture, you would add 3.2 ounces of oil to one gallon of gas. This means for every 40 parts of gas, you add 1 part of oil.