Mix Ratios & Calculators
A 2-stroke engine gets all of its lubrication from the oil mixed into its fuel. Getting the ratio right matters.
Use our calculator and charts to mix 50:1, 40:1 or any other ratio correctly.
Articles
2-Cycle Oil Mix Calculator: Ratios and Charts for 50:1, 40:1 and More
Get the exact amount of oil for any 2-stroke mix ratio, plus charts and the ratio and oil 14 brands actually require.