How much does commuting cost in Honolulu?

It depends on distance and parking, but Honolulu's high gas prices and ~$140/mo parking push driving costs well above TheBus monthly pass of $70 for many commuters.

What is the difference between cash and full driving cost?

Cash cost counts only fuel plus parking. Full cost uses the IRS standard mileage rate (about $0.67/mi), which also captures depreciation, maintenance, insurance, and tires.

Why use the IRS mileage rate?

It is a standardized, widely accepted estimate of the all-in cost of driving a mile. Including it shows the true long-run cost of car ownership, not just the gas you notice at the pump.

How much is TheBus pass?

The tool uses a $70 monthly figure, reflecting the HOLO card monthly fare cap on Honolulu's TheBus. A single adult pays $70 maximum per calendar month once the cap is reached.

Can I change the gas price?

Yes. Hawaii gas prices are among the highest in the country and move often, so the gas field is editable to match what you actually pay at the pump.

Honolulu Commute Cost Calculator

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Compare your Honolulu commute costs

Honolulu drivers face high gas prices and pricey parking, which makes TheBus a genuinely competitive option. This tool compares driving against the $70/mo TheBus pass using local gas prices near $4.60/gal and parking around $140/mo, on both a cash and a full-cost basis.

How it works

The calculator builds up your monthly driving cost and compares it to transit:

monthly miles = round-trip miles * commute days
fuel cost     = (monthly miles / mpg) * gas price
driving cash  = fuel cost + monthly parking
driving full  = monthly miles * 0.67 + monthly parking
transit       = TheBus monthly pass (70)

The cash figure is what leaves your wallet each month; the full figure adds the IRS standard mileage rate so you see the true long-run cost of driving on Oahu.

Tips and example

For an 18-mile round trip, 22 days a month, at 28 mpg and $4.60/gal, you drive 396 miles and burn about $65 in fuel. Add $140 parking and cash driving is $205/mo — far above TheBus at $70. On a full-cost basis, 396 * 0.67 + 140 = $405/mo, so transit saves even more.

If you have free parking and a short, fuel-efficient drive, the gap narrows; adjust the inputs to match your real situation.