Ethanol/gasoline ratio
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Fuel Calculator
Compare ethanol and gasoline and estimate the fuel cost of a trip.
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#consumption
Simple estimation. The 70% rule is just a reference; the actual reported consumption weighs more.
Estimated gasoline cost
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Estimated cost of ethanol
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Difference between gasoline and ethanol
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Gasoline cost per km
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Cost per km with ethanol
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Helpful guides and common questions
Compare ethanol and gasoline and estimate the fuel cost of a trip.
⛽ Fuel Calculator
How to use Fuel Calculator for decide between ethanol and gasoline at the station
Shows the relationship between prices and estimated cost with reported actual consumption.
⛽ Fuel Calculator
Simulation with Fuel Calculator for decide between ethanol and gasoline at the station
Shows the relationship between prices and estimated cost with reported actual consumption.
⛽ Fuel Calculator
How to interpret Fuel Calculator for decide between ethanol and gasoline at the station
Shows the relationship between prices and estimated cost with reported actual consumption.
⛽ Fuel Calculator
Common mistakes when using Fuel Calculator for decide between ethanol and gasoline at the station
Shows the relationship between prices and estimated cost with reported actual consumption.
⛽ Fuel Calculator
How to use Fuel Calculator for estimate fuel for trip or journey
Helps transform distance, price and consumption into total cost before leaving.
⛽ Fuel Calculator
Simulation with Fuel Calculator for estimate fuel for trip or journey
Helps transform distance, price and consumption into total cost before leaving.
⛽ Fuel Calculator
How to interpret Fuel Calculator for estimate fuel for trip or journey
Helps transform distance, price and consumption into total cost before leaving.
⛽ Fuel Calculator
Common mistakes when using Fuel Calculator for estimate fuel for trip or journey
Helps transform distance, price and consumption into total cost before leaving.
⛽ Fuel Calculator
How to use Fuel Calculator for compare car cost per kilometer
It makes it easier to review whether a fuel change actually reduces the cost per km.
⛽ Fuel Calculator
Simulation with Fuel Calculator for compare car cost per kilometer
It makes it easier to review whether a fuel change actually reduces the cost per km.
⛽ Fuel Calculator
How to interpret Fuel Calculator for compare car cost per kilometer
It makes it easier to review whether a fuel change actually reduces the cost per km.
⛽ Fuel Calculator
Common mistakes when using Fuel Calculator for compare car cost per kilometer
It makes it easier to review whether a fuel change actually reduces the cost per km.
Tool guide
Compare ethanol and gasoline and estimate the fuel cost of a trip. Useful for making decisions at the gas station, planning a short trip and comparing the cost per kilometer with the vehicle's actual consumption.
When to use it
- decide between ethanol and gasoline at the station: Shows the relationship between prices and estimated cost with reported actual consumption.
- estimate fuel for trip or journey: Helps transform distance, price and consumption into total cost before leaving.
- compare car cost per kilometer: It makes it easier to review whether a fuel change actually reduces the cost per km.
How to read the result
- Use the estimated cost of each fuel as the primary reading for the route entered.
- The ethanol/gasoline ratio helps as a quick screening, but does not replace the vehicle's actual consumption.
- Positive difference indicates that ethanol became cheaper in the scenario; negative difference favors gasoline.
Inputs that deserve attention
- Gasoline price (R$/L): Defines the cost of the liter of gasoline used in the scenario. Use the station's current price or a realistic average for your region.
- Ethanol price (R$/L): Defines the cost of a liter of ethanol to compare with gasoline. Don't just use the 70% rule; Also review your actual ethanol consumption.
- Gasoline consumption (km/L): Indicates how many kilometers the vehicle travels per liter of gasoline. Urban consumption, roads, air conditioning and cargo can greatly change the result.
Method used
- The ethanol/gasoline ratio is the price of ethanol divided by the price of gasoline.
- The cost of each fuel is distance divided by consumption and multiplied by the price per liter.
Limits and validation
- The bill does not include tolls, parking, maintenance, tires or depreciation.
- Actual consumption varies by traffic, road, driving style, fuel, load and maintenance.
- The formulas are declared in the tool catalogue, without API or hidden data.
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FAQ
When does ethanol pay off compared to gasoline?
The popular rule uses 70% as a reference, but the best calculation considers your car's actual consumption with each fuel.
Does the calculator include tolls or maintenance?
No. The result only estimates fuel based on reported price, consumption and distance.
