Converters
Gallons to Liters
Professional-grade bidirectional conversion between Imperial gallons and Metric liters for logistics and fluid utility.
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Mathematical RuleCurrent factor: 1 gal = 3.7854 l
Volumetric Protocol: Imperial to Metric Fluid Bridge Active.
Fluid Dynamics Standard
The liquid gallon (gal) is a US customary unit of volume used for fuel, beverages, and industrial liquids. In international trade and scientific contexts, the liter (l) is the primary metric benchmark. This conversion protocol ensures exact volumetric synchronization for global logistics.
Conversion constant
liters = gallons × 3.78541178Benchmarks
1 GAL
3.79 l
5 GAL
18.93 l
20 GAL
75.71 l
100 GAL
378.54 l
Common Questions
How many liters in 1 gallon?
1 US liquid gallon is defined as exactly 3.785411784 liters.
Is this tool bidirectional?
Yes, adjusting either input field immediately calculates the corresponding unit.