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Automotive / Fuel
Oil / Fuel Mix Ratio Calculator
Calculate the oil to add for two-stroke and other fuel-to-oil mixture ratios.
Fuel and ratio
Oil quantity
Oil to add100 mL
0.1 L for a 50:1 fuel-to-oil ratio
- Oil volume
- 100 mL · 0.1 L
- UK fluid ounces
- 3.52 UK fl oz
- US fluid ounces
- 3.381 US fl oz
- Oil relative to fuel
- 2%
- Oil in final mixture
- 1.961%
- Final mixture volume
- 5,100 mL
This calculator treats the entered volume as fuel before oil is added. Follow the engine and oil manufacturer’s specified ratio and measurement procedure.