Road Trip Cost Calculator

What a drive actually costs: fuel, tolls, overnight stops and the cost per traveller.

A road trip looks cheap next to flights until the fuel, the tolls, the parking and two nights in a hotel are added up. The per-person figure is usually the surprise.

Enter the distance, the car, the stopovers and the other costs, and this calculator totals the trip, shows what each traveller pays and what the trip costs per mile.

At a glance

What you enter
Total distance, Consumption (miles per gallon), Price per gallon, Tolls, Parking, Nights away, Cost per night, Other costs, Travellers, Days on the road
What you get
Total cost of the trip, Cost per person, Cost per mile
Formula shown
Yes - every step, right below your results.
Cost and privacy
Free, no account needed, and nothing you type is stored.

See worked examples ↓ Read the FAQ ↓ Share this calculator ↓

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Food on the road, ferries, entry fees, a car wash at the end.

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Results are estimates for general information only - always verify with a professional or official source before acting on them.

How to use the Road Trip Cost Calculator

  1. 1 Enter Total distance (miles)
  2. 2 Enter Consumption (miles per gallon)
  3. 3 Enter Price per gallon
  4. 4 Enter Tolls
  5. 5 Enter Parking
  6. 6 Enter Nights away (nights)
  7. 7 Enter Cost per night
  8. 8 Enter Other costs - Food on the road, ferries, entry fees, a car wash at the end.
  9. 9 Enter Travellers (people)
  10. 10 Enter Days on the road (days)
  11. 11 Press Calculate. You get Total cost of the trip, Cost per person, Cost per mile, and every intermediate step stays visible under “How is this calculated?”
  12. 12 Change one number at a time to see what moves the result - that is usually the most useful thing a calculator can tell you.

Worked examples

Real numbers run through this calculator. Open any example to load it into the form above and change it.

A 900 mile weekend with two nights in a hotel

Two travellers, 28 miles to the gallon, $3.50 a gallon, two nights at $95.

You enter

Total distance
900 miles
Consumption (miles per gallon)
28
Price per gallon
$3.50
Tolls
$40.00
Parking
$30.00
Nights away
2 nights
Cost per night
$95.00
Other costs
$80.00
Travellers
2 people
Days on the road
3 days

You get

Total cost of the trip
$452.50
Cost per person
$226.25
Cost per mile
0.50 per mile

The drive uses 32.14 gallons, which costs $112.50. With $40 of tolls, $30 of parking, $190 for two nights and $80 of other costs the trip totals $452.50, or $226.25 for each of the two travellers. That is $0.50 a mile and $150.83 for each of the three days. Fuel is only 24.9% of the total, so the accommodation costs more than twice what the driving does.

Open this example in the calculator →

An 1,800 mile drive for four people, sleeping in one place for free

A longer haul in a bigger car with four people sharing the fuel and no hotel bill.

You enter

Total distance
1,800 miles
Consumption (miles per gallon)
34
Price per gallon
$3.80
Tolls
$90.00
Parking
$0.00
Nights away
1 nights
Cost per night
$0.00
Other costs
$200.00
Travellers
4 people
Days on the road
5 days

You get

Total cost of the trip
$491.18
Cost per person
$122.79
Cost per mile
0.27 per mile

The car uses 52.94 gallons at $3.80, which is $201.18. Tolls and other costs add $290, and the single night costs nothing, so the trip total is $491.18. Between four travellers that is $122.79 each, less than the two-person weekend even though the distance is twice as long. The cost per mile falls to $0.27 because the party is larger and there is no accommodation line.

Open this example in the calculator →

Frequently asked questions

Is the distance one way or the whole trip?

It is the whole distance the car covers, so a return journey is entered as the round trip. A 450-mile drive each way is 900 in the field. Everything else follows from that: the fuel is the distance divided by the miles per gallon, and the cost per mile divides the whole trip total by the same distance.

The number of days is separate and is used only for the cost per day. Nights away is separate again and drives the accommodation line. Getting the distance wrong doubles or halves the fuel figure, which is the largest single number in most trips.

How much should I trust the miles per gallon figure?

It is the weakest input on the page. The official or everyday figure is measured on a warm engine at moderate speeds, and a loaded car with a roof box, air conditioning running and long motorway stretches uses noticeably more. Taking 10% off your normal average is a reasonable first correction for a holiday load.

The way to remove the guesswork is to measure it: fill the tank, note the mileage, drive the trip normally, fill again and divide the miles by the gallons you put in. Two tankfuls of real driving give a better number than any published figure.

Are food, ferries and entry fees in the total?

Only if you put them in the other costs field. The total is fuel plus tolls plus parking plus the accommodation line plus other costs, and nothing else. Food on the road, a ferry crossing, a car wash at the end and entry fees all belong in other costs, because the calculator has no way to invent them.

Parking is easy to underestimate: a city hotel or an airport long-stay can cost more than the fuel for the same trip. Add a parking figure for the destination as well as for the journey, and keep the two separate if you want to see which is larger.

What does the cost per mile figure tell me?

It puts the whole trip on one scale so two drives of different lengths can be compared. Dividing everything, including the accommodation and the tolls, by the distance gives the true cost of each mile you travel, which is usually well above the fuel cost of that mile.

If the trip looks expensive, the per-person line and the per-day line say which lever to pull. Sharing the car with two more people cuts the per-person figure without changing the total, and dropping a night cuts the total without changing the fuel.

More questions answered →

Terms used here

Short, plain-language definitions of the words this calculator uses.

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