The true cost of driving to work

Start with your one-way distance, double it for the round trip, multiply by the number of commuting days in a normal week and then by the weeks you expect to travel. We use 48 weeks in our calculator because vacation, holidays and occasional remote days make 52 weeks unrealistic for many workers.

A 14-mile one-way commute made five days a week equals 1,344 miles every four weeks and 6,720 miles across 48 working weeks. Writing down the annual number makes the expense easier to understand.

Divide annual commuting miles by your vehicle's real-world miles per gallon, then multiply by the price you normally pay per gallon. Use the efficiency you see in daily traffic—not the best highway figure on the window sticker.

Fuel prices change, so treat the result as a planning estimate. Testing a low and high gas-price scenario reveals how sensitive your budget is to price changes.

Every commuting mile uses tires, brakes, fluids and scheduled service. DailyCommute uses an 11-cent-per-mile maintenance allowance as a transparent planning assumption. Your actual figure may be lower for a newer reliable car or much higher for an older, premium or repair-prone vehicle.

Insurance and registration are not included in the main calculator because many drivers would pay those costs even without a commute. Depreciation is also excluded from the displayed total because it varies greatly by vehicle, age and mileage. Consider both separately when comparing whether to keep or replace a car.

Monthly garage passes are easy to add, but occasional meters, event pricing, tolls and workplace permits are often forgotten. Review two or three months of statements and use the average. If your employer deducts parking before taxes, compare the actual reduction in take-home pay rather than the posted garage price.

A transit pass may replace most driving costs, but not always every car expense. Compare the costs that truly change: fuel, work parking, tolls and mileage-related maintenance. Then consider time, reliability and flexibility.

The best decision is not automatically the cheapest. A slightly more expensive option may be worthwhile if it is dependable, safer for your schedule or noticeably less stressful.

Try one remote day, a weekly transit trip, a carpool or a less expensive parking location for a month. Measure money and travel time before making a larger commitment. A repeatable improvement is more valuable than a dramatic plan that lasts only a week.