Volume and Capacity Converter
A volume converter converts liquid and dry capacities between US fluid ounces, milliliters, liters, cups, pints, quarts, and gallons. Designed for baking and fluid engineering, it confirms that 1 US gallon equals 128 fluid ounces (3.78541 liters) and 1 liter equals 1,000 milliliters.
By Daniel Okoro (Mathematics Editor) · Reviewed by Maya ChenUpdated · Published
From:
Length in FT
0ft
METERS
INCHES
CENTIMETERS
How Does the Volume Calculator Work?
- Enter volume quantity.
- Select origin unit (US Gallon, Liter, Cup, fl oz, ml, UK Gallon).
- View conversions in both US customary and metric systems.
What Is the Volume Formula?
1 US Gallon = 3.78541 Liters = 128 US fl oz ; 1 UK Gallon = 4.54609 Liters
Standard liquid volume relationships.
Variables
Volume:Fluid measure
How Do You Calculate Volume Step by Step?
Convert 5 US gallons to litersValue: 5
Unit: US Gallon
5 × 3.78541 = 18.927 liters
Final Solution:18.93 Liters
Volume Questions and Answers
A US gallon is approx. 3.785 liters (128 US fl oz), whereas a UK Imperial gallon is approx. 4.546 liters (160 UK fl oz)—about 20% larger.