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Road Trip Cost Calculator

Fuel is the number everyone estimates before a road trip, and it is usually not the one that decides the budget.

Last updated Free, no sign-upHow it works

Your inputs
The trip

Enter the distance from whatever map you already use. Nothing here calls an external service.

One way if you pick round trip below — it will be doubled.

Set to zero if you are staying with family or driving straight through.

Location

Optional. Picks the published price for your state; otherwise the US average is used.

Why we ask

A ZIP code is matched to its state with published postal prefix ranges and used only to look up that state’s row in a federal price table. We never ask for a street address, nothing is stored, and your inputs appear only in this page’s URL.

Results update as you type. Nothing you enter is sent anywhere or stored.

Estimated cost of this road trip: $850, ranging from $560 to $1,400.

Estimated cost of this road trip

low confidence
$8501,800 miles round trip, 2 travellers
$560 lowhigh $1,400

What makes up the typical figure

  • Lodging — 2 nights$290
  • Fuel$270
  • Food — 2 travellers × 3 days$270
  • Everything else$20
  • United States average
  • Assumptions 2026.07.1

Why low: no state was resolved, so national averages were used; the modeled range spans about 99% of the typical value.

Key figures

Cost per person
$424
Fuel alone
$267($234 – $312)
Gallons of fuel
64.3
Fill-ups needed
5Assuming a 14 gallon usable tank. Larger tanks and pickups need fewer.
Time at the wheel
29 hoursAt an average 62 mph including the slow parts, excluding stops.
Total cost per mile
$0.47

Cost breakdown

Estimated cost of each component, with low, typical, and high values.
ComponentLowTypicalHigh
FuelEnergy64.3 gallons over 1,800 miles at $4.157/gal.$230$270$310
Lodging — 2 nightsOther$145 a night for one room. Change the nightly figure above if you know your booking.$190$290$490
Food — 2 travellers × 3 daysOther$45 per person per day. Packing a cooler moves this to the bottom of the range fast.$140$270$500
TollsOtherA broad allowance. Tolls depend entirely on route — much of the west has none, while the northeast corridor is nearly all toll road.$0$20$81
Estimated cost of this road trip$560$850$1,400

The low and high columns above will not add up to the headline range. Each line has its own uncertainty, and every line landing at its worst case at the same time is unlikely, so the total combines them as partially independent rather than summing the extremes.

What moved your estimate

  • Lodging drives the total — increases the estimate

    Nights away, not miles driven, are what make road trips expensive. Cutting one night usually saves more than any amount of careful driving.

How this number was produced
  1. Distance900 mi × 21,800 mi
  2. Fuel1,800 ÷ 28 MPG × $4.157$267
  3. Trip totalfuel + lodging + food + tolls + extras$847
  4. Per person$847 ÷ 2$424

Adjustments applied

  • Crossover SUV×1.11

    28 MPG against a 31 MPG baseline.

  • Fuel price×1.00

    United States average of $4.157/gal (EIA, Week of 2026-09-07).

Notes and sources3 notes, 2 sources

Worth knowing

  • Enter the distance yourself, from whatever mapping tool you already use. This calculator does not call a mapping service, does not need an API key, and does not send your route anywhere — which also means it cannot know that your route is mountainous or that it crosses six toll bridges.
  • Lodging and food figures are broad national bands. Both move enormously with destination and season: a national park gateway town in July and an interstate exit in February are not the same market. Override them with real quotes when you have them.
  • Fuel economy on a road trip usually beats the daily average, because sustained highway cruising is efficient. It gets worse again above about 70 mph, in mountains, and with a loaded roof box, which can cost 10% to 25% on its own.

Sources

  • U.S. Energy Information Administration, Weekly Retail Gasoline and Diesel Prices — regular grade, all formulations, by region and selected stateprimaryWeek of 2026-09-07retrieved 2026-09-11
  • Fuel economy anchored to the U.S. EPA Automotive Trends Report (model year 2024 real-world values); ownership cost components compiled from IRS Notice 2026-10 and IR-2026-29 standard mileage rates, U.S. DOE Alternative Fuels Data Center guidance, and editorial baselines where no agency publishes a figuremixed2026retrieved 2026-07-31

Nights away and feeding everyone typically cost more than the driving does. This calculator adds all of it up, splits it per person, and shows a range rather than a falsely precise total.

Methodology

How this calculator works

Distance is yours to supply

You type the mileage in. There is no map integration, no address lookup, and no request to any external service — which means the calculator works offline, costs nothing to run, and never sees where you are going.

The trade-off is honest: a straight mileage figure cannot know that your route climbs a mountain range, sits in city traffic for two hours, or crosses a series of toll bridges. Where those apply, nudge the fuel economy down and the toll allowance up.

Why lodging usually beats fuel

A 900 mile drive burns roughly 32 gallons in a crossover — about $130 at current prices. Two nights in a mid-range hotel is around $290. The pattern holds for almost any multi-day trip: the driving is the cheap part.

This is also why adding passengers barely changes the total. Fuel and lodging are shared costs, so a car of four costs each person roughly what a car of one costs in total, divided four ways — the reason road trips beat flying for groups long after they stop beating it for solo travellers.

Location and data

Where the numbers come from

Location is optional, and we only ask for a ZIP code or a state — never a street address. A ZIP code is matched to its state using published postal prefix ranges, and that state is used to look up labor and price rows in the tables below. If you leave it blank, or your ZIP cannot be matched, the estimate falls back to a national average and says so on the result.

Nothing you enter is transmitted or stored. The calculation runs entirely in your browser, and the only place your inputs appear is in the page URL, so you can bookmark or share a result if you choose to.

  • primaryWeek of 2026-09-07v2026.09.1

    U.S. Energy Information Administration, Weekly Retail Gasoline and Diesel Prices — regular grade, all formulations, by region and selected state

    EIA publishes weekly retail gasoline prices for the nation, for each Petroleum Administration for Defense District (PADD) sub-region, and for nine individual states. States EIA does not publish separately take their PADD sub-region price, which is the finest published geography available; every result discloses which of the two applied. Prices are a weekly snapshot and move faster than any other figure on this site, so every calculator that uses them lets you type in the price you actually paid.

  • mixed2026v2026.07.1

    Fuel economy anchored to the U.S. EPA Automotive Trends Report (model year 2024 real-world values); ownership cost components compiled from IRS Notice 2026-10 and IR-2026-29 standard mileage rates, U.S. DOE Alternative Fuels Data Center guidance, and editorial baselines where no agency publishes a figure

    Two numbers here come straight from the EPA: the model year 2024 fleet-wide real-world average of 27.2 MPG and the truck SUV average of 25.7 MPG. The other class averages are editorial estimates positioned around those published anchors, and every one of them describes a NEW vehicle — the average vehicle actually on the road is roughly twelve years old and less efficient, which is why each class carries a range rather than a point. Depreciation, maintenance, tires, and registration are assumptions: no federal agency publishes them per vehicle, and the commercial datasets that do are licensed products we have not bought. Each is registered in the assumption registry with its observed range and rationale, and each is adjustable in every calculator that uses it.

Full detail on every dataset is on the data sources page. Spotted something wrong? Report incorrect data.

Calibration

The judgements behind this estimate

These are the figures we chose rather than measured. For each one we record the range of values found across references, what we selected, and why — because an estimate you cannot interrogate is not much better than a guess. The 1 marked high risk are the ones most likely to be wrong and most consequential when they are.

  • Maintenance, repairs, and tires per mile by vehicle agehigh risklow confidence
    Observed range
    0.04 — 0.26 (typical 0.1)dollars per mile
    Why this value
    Three age bands rather than one figure, because upkeep roughly triples per mile between a nearly-new vehicle and one past ten years old. The typical value shown here is the mid-life band, which covers vehicles four to nine years old. Excludes collision damage and excludes fuel.
    Applies to
    Not modeled regionally, though labor rates for repair work follow the same pattern as other trades.
    Known limits
    These are multi-year averages, not predictions for any particular month. Real maintenance spending is lumpy: nothing for months, then a component failure. The high end of the older-vehicle band is where those years land.
    Sources
    No federal agency publishes vehicle maintenance cost per mile; the commercial datasets that do are licensed products not used here; Cross-checked for plausibility against the IRS business standard mileage rate, which is an all-in federal figure covering this among other costs
    Last verified
    2026-07-31 · reviewed annual
  • Lodging per night on a road triplow confidence
    Observed range
    85 — 260 (typical 145)dollars per room per night
    Why this value
    A mid-range chain hotel room, which is what most road trips actually use. The band is wide because destination and season move this more than almost any other travel cost.
    Applies to
    Not modeled regionally. A national park gateway town in July and an interstate exit in February are different markets by a factor of three.
    Known limits
    Assumes one room regardless of party size. Large groups needing two rooms should double the nightly figure.
    Sources
    No public agency publishes a national mid-range lodging rate suitable for this use; Editorial band; users are prompted to substitute a real booking price
    Last verified
    2026-07-31 · reviewed annual
  • Real-world fuel economy by vehicle classmedium confidence
    Observed range
    15 — 48 (typical 27.2)miles per gallon, combined
    Why this value
    Two of the eight class figures are published: the EPA Automotive Trends Report gives a model year 2024 fleet-wide real-world average of 27.2 MPG and a truck SUV average of 25.7. The remaining six are positioned around those anchors so the volume-weighted mix reproduces the published fleet average. Every class is a band rather than a point, because a rating is a test-cycle result and real driving departs from it in one direction.
    Applies to
    Not regionally variable, though cold-climate states see materially worse real-world economy in winter.
    Known limits
    These are NEW vehicle averages. The average vehicle on the road is roughly twelve years old and less efficient, so a user with an older car should enter their own MPG. Six of the eight classes are not individually published.
    Sources
    U.S. EPA Automotive Trends Report, model year 2024 (published February 2026) — fleet average 27.2 MPG, truck SUV 25.7 MPG; Remaining class values are editorial estimates anchored to the two published figures
    Last verified
    2026-07-31 · reviewed annual
  • Food per person per day on a road triplow confidence
    Observed range
    22 — 85 (typical 45)dollars per person per day
    Why this value
    A mix of fast food and sit-down meals. The low end assumes a packed cooler and one bought meal; the high end assumes three restaurant meals.
    Applies to
    Not modeled regionally.
    Known limits
    Treats every traveller as eating the same amount, which overstates cost for families with young children.
    Sources
    Editorial band; no public source publishes a figure suitable for this use; Federal per diem meal rates exist but are set for government travel reimbursement and run well above ordinary road-trip spending
    Last verified
    2026-07-31 · reviewed annual
  • Toll allowance per 100 mileslow confidence
    Observed range
    0 — 4.5 (typical 1.1)dollars per 100 miles
    Why this value
    Deliberately low as a typical value, because most United States road miles carry no toll at all. The high end reflects a route that is substantially toll road, such as the northeast corridor or the Illinois and Ohio turnpikes.
    Applies to
    Entirely route-dependent rather than state-dependent, and the calculator has no route — only a distance.
    Known limits
    A mileage figure cannot know the route. Users driving a known toll corridor should raise it substantially or enter tolls directly.
    Sources
    Editorial band; toll rates are published per facility by individual authorities and cannot be aggregated to a per-mile national figure
    Last verified
    2026-07-31 · reviewed biennial

Cost factors

What changes the price most

Nights away
Usually the largest line on any multi-day trip, and the easiest to cut by one.
Number of travellers
Raises food roughly proportionally, but leaves fuel and lodging almost untouched — so cost per person falls steeply.
Distance
Sets fuel and wear directly, and often forces an extra overnight stop past about 600 miles.
Fuel economy
A pickup at 21 MPG costs about a third more in fuel than a crossover at 28 for the same route.
Route
Tolls, terrain, and traffic are not visible in a mileage figure. The northeast corridor and mountain crossings both cost noticeably more than the distance suggests.
How you eat
The gap between a packed cooler and three restaurant meals a day is often larger than the entire fuel bill.

Questions

Frequently asked

How much does a road trip cost?

For two people driving 900 miles round trip with two hotel nights, expect roughly $600 to $700 once fuel, lodging, and food are counted — about $300 to $350 each. Fuel alone is usually only a fifth to a quarter of that.

How do I calculate gas for a road trip?

Divide the total distance by your vehicle’s MPG to get gallons, then multiply by the price per gallon. Highway cruising usually beats your everyday economy, so use the higher end of your vehicle’s rating unless you are towing, loaded, or crossing mountains.

Is it cheaper to drive or fly?

Driving usually wins for two or more people on trips under roughly 700 miles, because fuel is shared while airfares are not. Flying tends to win for solo travellers on longer distances, especially once you count nights lost to driving and the value of your own time.

How many miles should I drive in a day on a road trip?

Most people find 500 to 600 miles a comfortable maximum, about eight to nine hours at the wheel with stops. Beyond that, fatigue becomes the real constraint, and a night’s lodging is a better trade than pushing on.

Does this calculator need Google Maps or an API key?

No. You enter the distance yourself from whatever map you already use, and the calculator does the rest locally. Nothing about your route leaves your browser.