Fast 50:1 mix guide for blowers with cross-device continuation to mobile workflows.
Quick Reference
Gallons
Liters
Fuel (Gallons)
Oil (fl oz)
1 gallon
2.56 fl oz
2 gallons
5.12 fl oz
2.5 gallons
6.4 fl oz
3 gallons
7.68 fl oz
5 gallons
12.8 fl oz
10 gallons
25.6 fl oz
Also see
40:1
32:1
25:1
24:1
20:1
16:1
100:1
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Facts About 50:1
⛽
PER GALLON
2.56 fl oz
🧪
PER LITER
20 mL
📐
OIL PERCENTAGE
2.0%
Equipment Rated for 50:1
This equipment uses a 50:1 mix ratio. Always check your owner's manual to confirm.
STIHL
Husqvarna
ECHO
Yamaha 2-stroke outboards
Mercury 2-stroke outboards
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⚠️
Ethanol Hazard
Use E0 when available, or E10 if your manual allows it. Higher-ethanol blends absorb water faster, age poorly, and can damage small-engine fuel systems.
Ready to Mix?
Use the calculator to get exact fuel and oil amounts.