Converting 3 gallons to liters is a common conversion that people often need to perform. In this article, we explore how to convert gallons to liters, with a focus on the task of converting 3 gallons to liters. We offer tips and tricks to help you master this skill, including memorizing common conversion factors, using a conversion chart, and checking your measurements and calculations. By the end of this article, you should feel confident in your ability to convert units of measure.