Shop Reference · Two-Stroke Fuel

Mix Ratio Calculator

Pick your gas-to-oil ratio, enter how much gasoline you're starting with, and read off exactly how much oil to pour in.

Mix Ratio50:1
1 part oil to parts gas
Confirm your 2-stroke oil is rated for a 100:1 mix before using this ratio. Not all oils are formulated for 100:1 — check the bottle or manufacturer spec.
Gasoline Amount
Enter a gasoline amount greater than zero.
You've selected UK (imperial) gallons — these are larger than US gallons (1 UK gal ≈ 1.2 US gal). Double-check this is the unit your fuel container actually uses.