Estimate fuel costs for any trip or daily commute. Enter your distance, vehicle efficiency, and fuel price to see total fuel needed, trip cost, and annual commute expenses.
Trip Details
Fuel Price
Annual Commute Estimate
If this distance is your daily commute (round trip), here is your estimated annual fuel cost.
Vehicle Type Comparison
How much this trip would cost in different vehicle types, using your fuel price.
Tips to Improve Fuel Efficiency
Check Tire Pressure
Under-inflated tires increase rolling resistance and can reduce fuel economy by up to 3%. Check tire pressure monthly and keep tires at the manufacturer's recommended PSI listed on the driver's door jamb.
Drive Smoothly
Aggressive acceleration and hard braking can reduce fuel economy by 15-30% on highways and 10-40% in city driving. Use gradual acceleration and anticipate stops to coast when possible.
Reduce Highway Speed
Each 5 mph over 50 mph is like paying an extra $0.20-$0.30 per gallon for gas. Driving at 55-60 mph instead of 70-75 mph can improve fuel economy by 15-25%.
Remove Excess Weight
Every 100 lbs of extra weight reduces fuel economy by about 1%. Remove unnecessary items from your trunk and cargo area. Roof racks and cargo boxes also increase aerodynamic drag.
Use Cruise Control
Cruise control maintains a steady speed on highways, preventing the small accelerations that waste fuel. It can improve highway fuel economy by 7-14% compared to variable-speed driving.
Keep Up with Maintenance
A properly tuned engine, clean air filter, and fresh oil all help maximize fuel efficiency. A faulty oxygen sensor alone can reduce MPG by up to 40%. Follow your vehicle's maintenance schedule.
Common Vehicle Fuel Efficiency Reference
Typical fuel efficiency for common vehicle types. Actual values vary by model, year, and driving conditions.
| Vehicle Type | City MPG | Highway MPG | Combined MPG | L/100km |
|---|---|---|---|---|
| Compact Car (e.g., Civic, Corolla) | 30-33 | 38-42 | 33-36 | 6.5-7.1 |
| Midsize Sedan (e.g., Camry, Accord) | 28-32 | 36-39 | 31-34 | 6.9-7.6 |
| Small SUV / Crossover (e.g., RAV4, CR-V) | 26-30 | 32-38 | 28-33 | 7.1-8.4 |
| Midsize SUV (e.g., Explorer, Highlander) | 21-25 | 27-30 | 23-27 | 8.7-10.2 |
| Full-Size SUV (e.g., Tahoe, Expedition) | 15-18 | 20-24 | 17-20 | 11.8-13.8 |
| Pickup Truck (e.g., F-150, Silverado) | 16-20 | 22-26 | 18-22 | 10.7-13.1 |
| Minivan (e.g., Odyssey, Sienna) | 19-22 | 28-33 | 22-26 | 9.0-10.7 |
| Hybrid Sedan (e.g., Prius, Camry Hybrid) | 50-58 | 48-53 | 49-57 | 4.1-4.8 |
| Hybrid SUV (e.g., RAV4 Hybrid) | 38-42 | 35-38 | 37-40 | 5.9-6.4 |
| Sports Car (e.g., Mustang, Camaro) | 16-22 | 24-30 | 19-25 | 9.4-12.4 |
How the Fuel Cost Calculator Works
This calculator uses a straightforward formula to estimate your fuel costs. The calculation depends on whether you are using US (imperial) or metric units.
US / Imperial formula:
Fuel Needed (gallons) = Trip Distance (miles) / Fuel Efficiency (MPG)
Total Cost = Fuel Needed (gallons) x Price per Gallon
Metric formula:
Fuel Needed (liters) = Trip Distance (km) x Fuel Consumption (L/100km) / 100
Total Cost = Fuel Needed (liters) x Price per Liter
For round trips, the distance is doubled. Annual commute estimates multiply the daily round-trip cost by the number of work days per year. The CO2 estimate uses the EPA average of 8.887 kg (19.6 lbs) of CO2 per gallon of gasoline burned.
Understanding Fuel Efficiency
Fuel efficiency measures how far a vehicle can travel on a given amount of fuel. In the US, it is measured in miles per gallon (MPG), where higher is better. Most other countries use liters per 100 kilometers (L/100km), where lower is better.
What affects fuel efficiency:
- Vehicle size and weight: Heavier vehicles need more energy to move, resulting in lower MPG. A compact car might get 35 MPG while a full-size truck gets 18 MPG.
- Engine type: Turbocharged engines can be more efficient than larger naturally aspirated engines. Hybrid powertrains significantly boost city MPG by using electric motors during low-speed driving.
- Driving conditions: City driving with frequent stops uses more fuel than steady highway cruising. Cold weather, hilly terrain, and headwinds all reduce efficiency.
- Driving habits: Aggressive acceleration, speeding, and excessive idling all waste fuel. Smooth, steady driving at moderate speeds maximizes efficiency.
- Vehicle maintenance: Properly inflated tires, clean air filters, fresh oil, and aligned wheels all contribute to better fuel economy.
- Accessories: Running air conditioning can reduce MPG by 5-25%, especially at low speeds. Roof racks add aerodynamic drag and can reduce highway MPG by 2-8%.
What Determines Fuel Prices
Gasoline prices fluctuate based on several interconnected factors. Understanding these can help you plan refueling and budget for fuel expenses.
- Crude oil prices: The cost of crude oil accounts for about 50-60% of the retail price of gasoline. Global supply and demand, OPEC production decisions, and geopolitical events all influence crude oil markets.
- Refining costs: About 12-18% of the price covers refining crude oil into gasoline. Seasonal reformulation requirements (summer-grade vs winter-grade fuel) affect costs.
- Taxes: Federal and state taxes add $0.40-$0.80 per gallon depending on your state. California and Pennsylvania have some of the highest state fuel taxes, while Alaska and Missouri have the lowest.
- Distribution and marketing: About 8-12% of the price covers transportation from refineries to gas stations, plus station operating costs and margins.
- Seasonal patterns: Prices typically rise in spring as refineries switch to summer blends and driving season begins, then fall in autumn. Hurricane season can also spike prices if Gulf Coast refineries are affected.
Frequently Asked Questions
How do I calculate fuel cost for a trip?
Divide your trip distance by your vehicle's fuel efficiency (MPG) to get gallons needed, then multiply by the price per gallon. For example, a 300-mile trip in a car that gets 30 MPG requires 10 gallons. At $3.50 per gallon, the fuel cost is $35.00. For round trips, simply double the one-way cost.
What is the average fuel efficiency for cars in the US?
The average fuel efficiency for new passenger cars in the US is about 36 MPG as of 2024. Compact cars average 30-40 MPG, midsize sedans 28-35 MPG, SUVs 22-30 MPG, and pickup trucks 18-25 MPG. Hybrid vehicles typically achieve 45-60 MPG, while the overall fleet average (including older vehicles) is closer to 25-28 MPG.
How much does it cost to drive 1,000 miles?
At the US national average of about $3.50 per gallon, driving 1,000 miles costs approximately $117 in a car with 30 MPG, $140 in one with 25 MPG, or $175 in a vehicle with 20 MPG. The actual cost depends on your specific vehicle's fuel efficiency and local gas prices. Road trips may also include vehicle wear costs of roughly $0.10-$0.15 per mile.
How can I improve my car's fuel efficiency?
Key ways to improve fuel efficiency include maintaining proper tire pressure (improves MPG by up to 3%), removing excess weight, avoiding aggressive acceleration and hard braking, using cruise control on highways, keeping your engine properly tuned, replacing dirty air filters, and reducing idling. Driving at 55-65 mph instead of 75+ mph can improve fuel economy by 15-25%.
Is it cheaper to drive or fly for long trips?
For solo travelers, flying is often cheaper for trips over 500 miles when you factor in fuel, food, lodging, and vehicle wear. However, driving becomes more economical with 2 or more passengers since you split the fuel cost. A road trip of 500 miles might cost $60-$90 in fuel, while a flight could cost $150-$400 per person. For groups of 3-4, driving is almost always cheaper.
What is the difference between MPG and L/100km?
MPG (miles per gallon) is used in the US and UK to measure how far a vehicle travels on one gallon of fuel. L/100km (liters per 100 kilometers) is used in most other countries and measures how much fuel is consumed per 100 km. They are inversely related: higher MPG means better efficiency, while lower L/100km means better efficiency. To convert, divide 235.215 by the MPG value to get L/100km.
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- All calculations run entirely in your browser -- nothing is sent to any server.
- Results are estimates and may vary based on actual conditions.
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Fuel Cost Calculator FAQ
How do I calculate fuel cost for a trip?
Divide your trip distance by your vehicle's fuel efficiency (MPG) to get gallons needed, then multiply by the price per gallon. For example, a 300-mile trip in a car that gets 30 MPG requires 10 gallons. At $3.50 per gallon, the fuel cost is $35.00.
What is the average fuel efficiency for cars in the US?
The average fuel efficiency for new passenger cars in the US is about 36 MPG as of 2024. Compact cars average 30-40 MPG, midsize sedans 28-35 MPG, SUVs 22-30 MPG, and pickup trucks 18-25 MPG. Hybrid vehicles typically achieve 45-60 MPG, while plug-in hybrids can exceed 100 MPGe.
How much does it cost to drive 1,000 miles?
At the US national average of about $3.50 per gallon, driving 1,000 miles costs approximately $117 in a car with 30 MPG, $140 in one with 25 MPG, or $175 in a vehicle with 20 MPG. The actual cost depends on your specific vehicle's fuel efficiency and local gas prices.
How can I improve my car's fuel efficiency?
Key ways to improve fuel efficiency include maintaining proper tire pressure (improves MPG by up to 3%), removing excess weight, avoiding aggressive acceleration and hard braking, using cruise control on highways, keeping your engine properly tuned, replacing dirty air filters, and reducing idling. Driving at 55-65 mph instead of 75+ mph can improve fuel economy by 15-25%.
Is it cheaper to drive or fly for long trips?
For solo travelers, flying is often cheaper for trips over 500 miles when you factor in fuel, food, lodging, and vehicle wear. However, driving becomes more economical with 2 or more passengers since you split the fuel cost. A road trip of 500 miles might cost $60-$90 in fuel, while a flight could cost $150-$400 per person. For groups of 3-4, driving is almost always cheaper.
What is the difference between MPG and L/100km?
MPG (miles per gallon) is used in the US and UK to measure how far a vehicle travels on one gallon of fuel. L/100km (liters per 100 kilometers) is used in most other countries and measures how much fuel is consumed per 100 km. They are inversely related: higher MPG means better efficiency, while lower L/100km means better efficiency. To convert, divide 235.215 by MPG to get L/100km.