Note: The "cost per mile" varies by brand (Toyota depreciates less than BMW). A typical average is $0.10 to $0.15 per mile.

In the age of digital dashboards and smartphone navigation, the humble odometer often gets overlooked. However, understanding the numbers on your car’s odometer—and using an odometer calculator —is one of the most effective ways to save money on gas, predict maintenance needs, and even verify a used car’s history.

[ \text{Time (hours)} = \frac{\text{Distance to Travel}}{\text{Average Speed}} ]