Gas Travel Calculator
Latest Average Gas Price: $4.46/gal
Latest U.S. National Average Fuel Prices
Updated September 29, 2026
Gas travel calculation is fast and free with TripTellers. Use a quick estimate or a more advanced trip calculator to see fuel usage and total trip cost in seconds.
Enter your distance, fuel efficiency, and fuel price for a simple estimate, or use route and vehicle details for a more accurate result.
Using the latest U.S. national average regular gas price. You can edit it anytime.
Estimated Fuel Cost
$17.84
Fuel Used
4 gallons
Please select a year and make to view available models.
Current fuel prices in the United States
As of September 28, 2026, the average price of regular gasoline in the United States is $4.46 per gallon, according to the U.S. Energy Information Administration (EIA).
| Fuel | Average price |
|---|---|
| Natural Gas(Apr 1, 2026) | $3.08/gal |
| E85(Apr 1, 2026) | $3.31/gal |
| Electricity(Jul 2026) | $0.183/kWh |
| Diesel | $6.38/gal |
| Propane(Mar 30, 2026) | $2.67/gal |
| Midgrade Gasoline | $5.07/gal |
| Premium Gasoline | $5.48/gal |
| Regular Gasoline | $4.46/gal |
Updated September 29, 2026 Β· Source U.S. Energy Information Administration (EIA)
How to Use the Gas Travel Calculator
Quick Estimate
Use the quick estimate when you already know your trip distance, fuel efficiency, and fuel price.
Enter your values, switch between miles or kilometers if needed, and get an instant estimate of fuel used and total trip cost.
Advanced Trip Calculation
Use the advanced calculator when you want a more accurate estimate based on your actual route and vehicle.
Enter your starting point and destinations, choose your car, and calculate fuel cost, travel time, and route details for your full trip.
Why Use TripTellers for Fuel Trip Planning
Choose a Quick Estimate or a More Accurate Trip Calculation
Get a simple fuel cost estimate in seconds, or switch to the advanced calculator for route-based and vehicle-based trip planning.
Use Real Fuel Prices
TripTellers uses current fuel-price data from the EIA and AFDC, plus vehicle data from EPA / FuelEconomy.gov.
Plan Real Routes, Not Just Straight-Line Distance
The advanced calculator uses actual route distance and estimated travel time between stops, which is more useful for road trip planning than a basic distance-only estimate.
Year
Make
Model
32 MPG
Gas
Exact
Find Your Exact Vehicle
Choose your car by year, make, model, engine, and fuel type to get a more realistic estimate based on your actual vehicle.
Trip Information
Starting Point
New York University
Stop 1
NY Philharmonic
Stop 2
Penn Station
Destination
NY City Hall
Build Multi-Stop Trips
Add a start point and multiple destinations to calculate route distance, duration, and fuel cost across the whole journey.
How the Gas Travel Calculator Works
TripTellers gives you two ways to estimate fuel use and trip cost: a Quick Estimate for fast answers and an Advanced Trip calculator for more realistic route and vehicle-based planning.
Quick Estimate
The Quick Estimate tab uses a simple fuel cost formula based on three inputs:
- Trip distance
- Fuel efficiency
- Fuel price
If you use miles, the calculator works like this:
Fuel used = Distance Γ· MPG
Trip cost = Fuel used Γ Price per gallon
If you use kilometers, the calculator switches to metric:
Fuel used = Distance Γ L/100 km Γ· 100
Trip cost = Fuel used Γ Price per liter
To make things easier, the fuel price is filled in automatically using the latest regular gasoline price.
When you switch between miles and kilometers, the calculator converts your values automatically so you do not need to recalculate anything yourself.
Advanced Trip Calculation
The Advanced Trip tab uses the same basic fuel cost idea, but improves the estimate with real route data and vehicle-specific information.
Instead of asking you to enter only a distance, the calculator can use your actual trip route, including multiple stops, with real driving distance and estimated travel time between stops.
For fuel efficiency, you can choose your vehicle by year, make, model, and engine. The calculator then uses EPA / FuelEconomy.gov vehicle data such as city MPG, highway MPG, combined MPG, fuel tank size, and estimated range.
For some vehicles, including plug-in hybrids and dual-fuel models, it can also show additional fuel-efficiency and range details.
To estimate fuel cost, the advanced calculator uses your vehicle's combined fuel efficiency together with the total route distance:
Fuel used = Total route distance Γ· Combined MPG
Trip cost = Fuel used Γ Fuel price
In other words, the advanced calculator uses the same basic formula as the quick calculator, but with more accurate trip distance and more specific vehicle data.
Why the Advanced Estimate Can Be More Accurate
A basic fuel calculator is useful when you already know your trip distance and your vehicle's fuel efficiency. But for longer drives, unfamiliar routes, or multi-stop road trips, the advanced calculator can give you a more realistic estimate because it uses:
- Actual route distance instead of a rough guess
- Estimated driving time between stops
- Fuel efficiency for your specific vehicle
- Current fuel prices from the EIA and AFDC
- Optional round-trip calculations
That makes it more useful for real trip planning, not just a quick back-of-the-envelope estimate.
What Affects Fuel Cost on a Trip
Fuel cost depends on more than just distance. Here are the main factors that affect how much you will spend on fuel.
Trip Distance
Longer drives use more fuel. Even small route differences change your total cost, especially on road trips with several stops.
Vehicle Fuel Efficiency
A vehicle with better mileage costs less to drive over the same distance. Use your actual vehicle data for a more accurate estimate.
Fuel Price
Fuel prices vary by location and date. TripTellers pre-fills the latest average price so your estimate starts closer to reality.
Route and Stops
Detours and extra stops increase distance and fuel use. A route-based calculator is more accurate than a straight-line estimate.
City vs Highway
Stop-and-go city driving uses more fuel than steady highway speeds. Expect higher costs if most of your trip is in urban areas.
Data Sources and Update Frequency
TripTellers uses publicly available government data to keep fuel prices and vehicle information as current as possible.
| Data | Source | Update Cadence |
|---|---|---|
| Regular, Midgrade, and Premium Gasoline | EIA β Petroleum | Weekly |
| Diesel | EIA β Petroleum | Weekly |
| Propane | EIA β Petroleum | Weekly |
| Electricity | EIA β Electricity | Monthly |
| E85 | AFDC β Alt Fuels | Updated when new source data is available |
| CNG | AFDC β Alt Fuels | Updated when new source data is available |
| Vehicle model data | EPA / FuelEconomy.gov | TripTellers checks daily |
Gasoline, diesel, and propane prices come from the U.S. Energy Information Administration (EIA), which publishes weekly averages for the nation, its regions, and nine states. Electricity prices are also from the EIA but are updated monthly.
E85 and CNG prices come from the Alternative Fuels Data Center (AFDC), which publishes updated data as it becomes available.
Vehicle fuel economy data is sourced from the EPA through FuelEconomy.gov. TripTellers checks EPA vehicle data daily and imports any new or updated vehicle records automatically.
Frequently Asked Questions
How do I calculate gas cost for a trip?
Divide the trip distance by your vehicle's fuel efficiency to estimate how much fuel you will use, then multiply that by the fuel price. With TripTellers, you can do this instantly in the Quick Estimate tab by entering your distance, fuel efficiency, and fuel price, or get a more detailed estimate in the Advanced Trip calculator.
What do I need to use a gas travel calculator?
You usually need three main inputs: trip distance, fuel efficiency, and fuel price. You can either enter those manually in the Quick Estimate tab or use the Advanced Trip calculator to build your route and choose your vehicle for a more accurate result.
What is the difference between the Quick Estimate and Advanced Trip calculator?
The Quick Estimate is best when you already know your trip distance, fuel efficiency, and fuel price and want a fast answer. The Advanced Trip calculator is better when you want a more realistic estimate based on your actual route, multiple stops, and your exact vehicle.
How do I calculate fuel cost for a round trip?
You need to include both the outgoing trip and the return journey. In the Advanced Trip calculator, switch on the Round Trip option to automatically add the return leg and estimate the full cost.
What if I do not know my car's fuel efficiency?
In the Advanced Trip calculator, you can choose your vehicle by year, make, model, and engine, and the calculator will use vehicle data to estimate fuel efficiency for you. If you want a faster estimate, you can also use the average values provided by default.
Can I use this calculator for diesel, hybrid, or electric vehicles?
Yes. The Advanced Trip calculator supports different vehicle and fuel types, including diesel, hybrid, plug-in hybrid, electric, and dual-fuel models, depending on the vehicle data available.
Why is my real fuel cost different from the estimate?
Your actual fuel cost may differ because of traffic, road conditions, weather, elevation, stop-and-go driving, local fuel prices, and how your vehicle performs in real conditions. The Advanced Trip calculator can improve accuracy by using your route and vehicle details, but some variation is normal.
Does this calculator include tolls, parking, or other travel costs?
No, this calculator focuses on fuel usage and fuel cost. It does not include tolls, parking, food, accommodation, or other travel expenses. It is best used as a fuel budgeting tool for your trip.
Should I use miles or kilometers?
You can use whichever unit is more convenient for you. The calculator lets you switch between miles and kilometers, and it automatically converts the values so you do not need to recalculate anything.
Can I use this calculator for road trips with multiple stops?
Yes. In the Advanced Trip calculator, you can enter a start point and add as many stops as you need to estimate total distance, travel time, fuel used, and trip cost across your whole journey.