The 32:1 ratio provides extra lubrication for heavy-duty 2-stroke engines. Common in older chainsaws, brush cutters, and some industrial equipment. Mix 4 fl oz per gallon.
Quick Reference
Gallons
Liters
Fuel (Gallons)
Oil (fl oz)
1 gallon
4 fl oz
2 gallons
8 fl oz
2.5 gallons
10 fl oz
3 gallons
12 fl oz
5 gallons
20 fl oz
10 gallons
40 fl oz
Also see
50:1
40:1
25:1
24:1
20:1
16:1
100:1
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Facts About 32:1
⛽
PER GALLON
4 fl oz
🧪
PER LITER
31.25 mL
📐
OIL PERCENTAGE
3.0%
Equipment Rated for 32:1
This equipment uses a 32:1 mix ratio. Always check your owner's manual to confirm.
Tanaka
Older ECHO
Robin/Subaru
Shindaiwa
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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.
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Use the calculator to get exact fuel and oil amounts.