Choosing the right backpack size can be tricky, whether it’s for school, work, travel, or daily use. In this guide, I’ll answer the most common questions about standard backpack sizes—from kids’ school bags to travel packs—so you can find the best fit for your needs. Part 1. What is the standard backpack size in liters?

When I first started flying with a duffel bag instead of a suitcase, I quickly realized that airline size rules can be tricky. A few inches too big and suddenly you’re paying extra fees at the gate. In this guide, I’ll walk through the most common questions travelers ask about duffel bag sizes, so you