Fuel Calculator

Alcohol or Gasoline? Find out which one pays off.

Alcohol Price (R$)

Gasoline Price (R$)

We use the standard 70% efficiency rule. If Alcohol costs less than 70% of Gasoline, it pays off.

Enter fuel prices to see which one is worth it.

How to use the Fuel Calculator

Check the Alcohol (Ethanol) price at the pump.
Check the Gasoline price.
Enter both values into the calculator.
The system will instantly tell you which one is more financially advantageous.

Features

Automatic 70% Rule
Price Ratio Calculation
Clear Recommendation (Green/Orange)
Works Offline

Perguntas Frequentes

What is the 70% rule?

Alcohol yields, on average, 30% less than gasoline. Therefore, to pay off, it must cost up to 70% of the price of gasoline. If it costs more than that, gasoline is more advantageous.

Does this rule apply to all cars?

It is a general market average. Some modern cars may have better efficiency with alcohol (reaching 75%), but 70% is the ideal safety margin to ensure savings.

When to use?

Whenever you fill up your Flex car. The difference of cents can represent a big saving at the end of the month.

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