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Cost of Commuting Calculator

Enter your commute details to estimate the daily, monthly, and annual cost of commuting.

How it is calculated

The tool works in miles and miles per gallon. Fuel for one working day is the round-trip distance divided by fuel economy, multiplied by the price per gallon, then parking and tolls are added: daily = (miles ÷ mpg) × price + parking + tolls. The annual cost is daily × days, and the monthly figure is the annual cost divided by 12. miles means the whole round trip for one day, price is per gallon, and parking and tolls are per day. If you leave parking or tolls blank they count as 0, and a blank days field assumes 240 working days a year. Distance, fuel economy and price are required; negative values, or an mpg of 0, give no result. Amounts are shown in dollars. Wear, insurance and depreciation are not included.

Worked example

Round trip 30 miles, 28 mpg, fuel at 3.50 per gallon, parking 8 and tolls 2.5 a day, 230 working days. Fuel per day: 30 ÷ 28 = 1.0714 gallons, times 3.50 = 3.75. Add parking and tolls: 3.75 + 8 + 2.5 = $14.25 per day. Over the year that is 14.25 × 230 = $3,277.50, and spread over twelve months it is 3,277.50 ÷ 12 = $273.13 a month.

Try this example →

Common mistakes

  • Entering the one-way distance. The field expects the full round trip for the day, so a 15-mile commute each way must be entered as 30.
  • Typing kilometres or litres per 100 km into a tool that uses miles and miles per gallon. Convert first, otherwise the fuel cost is far off.
  • Entering a monthly parking pass as the daily parking amount. Divide the pass by the number of days you actually use it.
  • Leaving days at the default of 240 when you work from home some days; a hybrid schedule of three office days a week is closer to 140 days a year.
  • Treating the result as the full cost of owning the car. Maintenance, tyres, insurance and depreciation are not in it.

About this calculator

A commute's real cost goes well beyond simple mileage — fuel economy and fuel price determine how much fuel a round trip actually consumes, while parking fees and tolls add fixed daily costs that a distance-only estimate misses entirely. Combining all of these into one figure gives a far more accurate picture of what getting to work actually costs than a rough per-mile rule of thumb.

This calculator takes your round-trip distance, fuel economy, fuel price, parking, and tolls, and projects the daily, monthly, and annual cost of your commute. It's useful for building a realistic household budget, comparing the total cost of driving versus a job closer to home, or deciding whether a more fuel-efficient vehicle would meaningfully lower your commuting spend once tolls and parking are factored in alongside fuel.

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Comments (1)

  • Editorial team

    The days field changes the annual total more than most people expect. With a daily cost of 14.25 on a 30-mile round trip, 230 working days come to 3,277.50 a year, while a hybrid schedule of 140 days comes to 1,995.00. Use the second figure when you compare a hybrid role with a full-time office one. Wear, insurance and depreciation are left out. Which commuting costs are missing here that matter in your city?

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