Enter Fuel Details
Example Data Table
| Trip Type | Distance | Fuel Used | Fuel Economy | Approximate Meaning |
|---|---|---|---|---|
| City Drive | 120 km | 10 liters | 8.33 L / 100 km | Higher fuel use due to stops |
| Highway Trip | 300 km | 18 liters | 6.00 L / 100 km | Better mileage at steady speed |
| Loaded Vehicle | 200 km | 17 liters | 8.50 L / 100 km | Extra weight raises consumption |
| Mixed Route | 250 km | 18 liters | 7.20 L / 100 km | Balanced city and road travel |
Formula Used
Fuel consumption:
L / 100 km = (Fuel used in liters / Distance in kilometers) × 100
Fuel economy:
km / liter = Distance in kilometers / Fuel used in liters
US mileage:
MPG = Distance in miles / Fuel used in US gallons
Total fuel cost:
Total cost = Fuel used × Fuel price per unit
Tank range:
Range = Tank size / Adjusted fuel used × Distance
Load adjustment:
Adjusted fuel = Base fuel + idle fuel, then increased by load percentage
How to Use This Calculator
Enter the distance traveled first. Select kilometers or miles. Enter the fuel used during that trip. Choose liters or US gallons. Add the fuel price per unit. Enter tank size to estimate range. Add idle time when the vehicle spends fuel without moving. Add extra load when weight may affect mileage. Press the calculate button. The result appears above the form and below the header section.
Fuel Consumption Planning Guide
Why Fuel Consumption Matters
Fuel consumption is more than a travel number. It shows how efficiently a vehicle turns fuel into distance. A lower L / 100 km value means better efficiency. A higher km per liter value also means better economy. These values help drivers compare routes, vehicles, and driving habits.
Use Real Trip Data
The best result comes from real measurements. Fill your tank. Record the odometer reading. Drive normally. Refill the tank and note the fuel added. The fuel added is a strong estimate of fuel used. Then enter the distance and fuel amount in the calculator.
Understand Cost Per Distance
Fuel price changes often. That is why cost per kilometer is useful. It helps estimate delivery charges, commute costs, business travel, or road trip budgets. A small change in fuel economy can create a large yearly difference.
Include Idle Time
Idle time can raise total fuel use. Traffic, loading stops, air conditioning, and waiting time can all burn fuel. This calculator includes idle hours and idle fuel rate. It gives a more practical result than distance alone.
Check Load Effect
Heavy cargo can increase fuel demand. Roof racks, tools, passengers, and luggage may reduce mileage. The load factor field estimates this effect. It is useful for vans, pickups, delivery cars, and long family trips.
Plan Tank Range
Tank range helps avoid fuel stress. It estimates how far a full tank may take you. Always keep a safety margin. Weather, hills, road surface, tire pressure, and driving speed can change the final range.
Improve Efficiency
Smooth driving saves fuel. Keep tires inflated. Remove unnecessary weight. Avoid sudden braking. Drive at steady speeds when possible. Service the engine on time. Use this calculator after changes to see real improvement.
Frequently Asked Questions
1. What is fuel consumption?
Fuel consumption shows how much fuel a vehicle uses for a given distance. It is often shown as liters per 100 kilometers or miles per gallon.
2. What is a good L / 100 km value?
A lower value is better. Small cars may use less fuel. Large vehicles, heavy loads, and city traffic usually increase the number.
3. Why does this calculator include idle fuel?
Vehicles can burn fuel while standing still. Traffic, waiting, and air conditioning affect real fuel use. Idle fuel improves the estimate.
4. Can I use miles and gallons?
Yes. Select miles for distance and US gallons for fuel. The calculator also converts values into metric results and MPG.
5. What does tank range mean?
Tank range estimates how far the vehicle may travel on a full tank. Real range can change with speed, road, and load.
6. Why does extra load matter?
Extra weight needs more energy to move. This can raise fuel use, especially in city driving, hills, and stop-start routes.
7. Is the CO2 result exact?
No. It is an estimate based on the entered emission factor. Actual emissions depend on fuel type, engine condition, and driving style.
8. Can I export my result?
Yes. Use the CSV button for spreadsheet use. Use the PDF button to save a simple report of the calculated values.