Estimate a trip’s fuel use and cost from distance, consumption and fuel price.
Fuel Cost Calculator
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Fuel Cost
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Table of Contents
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What is Fuel Cost?
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How to Use This Calculator
- Enter or select Distance, Fuel price, Fuel efficiency/consumption (mileage).
- Check the unit beside each measurement. For a percentage or rate, use the scale and time period stated in the form.
- Choose Calculate, then compare the output with the formula and example below. If you change a value or option, calculate again to update the result.
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Formula Used
Liters used = distance(km) × consumption(L/100 km)/100; cost = liters × price per liter
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Variables Explained
| Input | What it means |
|---|---|
| Distance | Length traveled or measured between the points stated in the form. |
| Fuel price | The stated purchase or selling amount, in the same currency as the related costs. |
| Fuel efficiency/consumption (mileage) | Use the measured or stated value for this item, with the unit or category shown beside the field. |
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Worked Example
A 300 km trip at 6 L/100 km uses 18 L; at 1.50 per liter it costs 27.
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Why Use This Calculator?
Use the formula and worked example to check the relationship between the input and output before carrying the result into a longer calculation.
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Common Mistakes
- Fuel-economy units reverse the relationship: higher km/L is better, while lower L/100 km is better.
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Frequently Asked Questions
Should I round numbers before calculating?
Keep the original input precision through the calculation and round the final answer to the precision you need. Rounding an intermediate result can change later steps.
Why can a manual calculation differ slightly?
Check the operation, units, signs and rounding first. Equivalent fractions or expressions can look different while representing the same value.
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Sources & References
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