40:1 2 Stroke Fuel Mix Chart
Forty to one (40:1) is a pretty easy 2 stroke ratio to calculate, you simply multiply the litre amount by 25.
To make it easier you can use the following old school reference chart.
Metric (Litres:Millilitres)
| Fuel (L) | Oil (mL) |
|---|---|
| 1 | 25 |
| 2 | 50 |
| 3 | 75 |
| 4 | 100 |
| 5 | 125 |
| 7.5 | 188 |
| 10 | 250 |
| 15 | 375 |
| 20 | 500 |
| 25 | 625 |
US (Gallons:Fluid Ounces)
| Fuel (gal) | Oil (fl oz) |
|---|---|
| 1 | 3 |
| 1.5 | 5 |
| 2 | 6 |
| 2.5 | 8 |
| 3 | 10 |
| 4 | 13 |
| 5 | 16 |
| 7.5 | 24 |
| 10 | 32 |
| 15 | 48 |
2 Stroke Mix App
If you’re looking for something to help with other ratios and remind you how old your fuel is, please take a look at our app for iPhone and Apple Watch on the front page?
