Size Guide Backpack Size Chart Liters. A backpack that is 70 liters (or 18.4 gallons) is the equivalent of a large suitcase. A liter is equal to 3.78 gallons, so a backpack that is 30 liters (or 7.6 gallons) is the equivalent of a small suitcase.
Backpack Sizing Guide & Converting Cubic Inches to Liters from geekprepper.com
A backpack that is 70 liters (or 18.4 gallons) is the equivalent of a large suitcase. A liter is equal to 3.78 gallons, so a backpack that is 30 liters (or 7.6 gallons) is the equivalent of a small suitcase. A backpack that is 50 liters (or 13.2 gallons) is the equivalent of a medium suitcase.
1 Size guide backpack size chart liters
A Backpack That Is 50 Liters (Or 13.2 Gallons) Is The Equivalent Of A Medium Suitcase.
A liter is equal to 3.78 gallons, so a backpack that is 30 liters (or 7.6 gallons) is the equivalent of a small suitcase. A backpack that is 70 liters (or 18.4 gallons) is the equivalent of a large suitcase.
