[ FREE TOOL · 2-STROKE / 2-CYCLE ]

2-Cycle Oil Mix Calculator

Instantly work out how much 2-stroke oil to add to your gas for any mix ratio — 50:1, 40:1, 32:1, 25:1 and more. Pick gallons or litres and get the answer in both ounces and millilitres.

Fuel → oil Oil → fuel

Amount of fuel

Equipment (optional)

Mix ratio

Custom ratio (X : 1)

Add this much oil

12.8 oz

≈ 378.54 ml

Add 12.8 oz of 2-stroke oil to 5 gal of gas at a 50:1 ratio.

[ 01 ] Mix charts

Printable reference charts for every common 2-stroke mix ratio, in both US (gallons → ounces) and metric (litres → millilitres). Bookmark or print this page for the shed.

[ 02 ] FAQ

How much 2-cycle oil do I mix per gallon?