Knowing when to change your oil is one of the simplest ways to protect your engine, but the right interval depends on more than just mileage. The type of oil you use and how you drive both change the answer. This free oil change calculator does the math for you. Enter your current mileage, choose conventional, synthetic blend, or full synthetic oil, and tell us how you drive. In seconds you will see roughly how many miles until your next change, and an estimated date if you add your monthly mileage.
Oil Change Interval Calculator
Find out when your next oil change is due. Enter your current mileage, the oil you use, and how you drive. Conventional oil lasts about 3,000 to 5,000 miles, a synthetic blend around 5,000 to 7,500 miles, and full synthetic up to 7,500 to 10,000 miles. Hard driving shortens all of these.