2-Stroke Oil Mix Calculator
Punch in your gas amount and mix ratio (or pick your AMSOIL oil) and we’ll tell you exactly how many ounces of oil to add. Get the ratio wrong and you’re either running it too rich or not protecting the engine — application matters.
Common AMSOIL 2-Stroke Oil Mix Ratios
| Product | Mix Ratio | Oil | Fuel |
|---|---|---|---|
| Outboard Oil | 100:1 | 1.3 oz. | 1 Gal |
| Injector Oil | 50:1 | 2.6 oz. | 1 Gal |
| SABER | 100:1 | 1.3 oz. | 1 Gal |
| INTERCEPTOR | 50:1 | 2.6 oz. | 1 Gal |
| DOMINATOR | 50:1 | 2.6 oz. | 1 Gal |
50:1 Premix Oil Ratio Chart
| Mix Ratio | Oil | Fuel |
|---|---|---|
| 50:1 | 1.3 oz. | 0.5 Gal |
| 50:1 | 2.6 oz. | 1 Gal |
| 50:1 | 3.8 oz. | 1.5 Gal |
| 50:1 | 5.1 oz. | 2 Gal |
| 50:1 | 6.4 oz. | 2.5 Gal |
| 50:1 | 12.8 oz. | 5 Gal |
Frequently Asked Questions
How much 2-stroke oil per gallon?
Most 2-stroke oils use a 50:1 mix ratio — that’s 2.6 ounces of oil per gallon of gas. AMSOIL SABER runs at 100:1, so that’s half the oil at 1.3 ounces per gallon.
How many ounces of oil for a 50:1 mix ratio?
2.6 fluid ounces of oil per gallon of gasoline. Use the calculator above to dial in any amount of fuel.
What ratio should I run for my equipment?
Check your owner’s manual first — we’ll always point you to the OEM spec, then help you find the right AMSOIL product within it. Application matters.
Not sure which 2-stroke oil is right for you?
Text SPEC to (651) 300-2010 and we’ll get you squared away.
Get Started
Text SPEC to (651) 300-2010, or set up a Preferred Customer account for $20/year and start saving on every order.