Volume Conversion Made Simple and Easy by GalonesaLitro

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One US gallon is exactly equal to 3.78541 liters. This conversion differs from the imperial gallon (4.546 L) used in the UK. Our tool, updated for 2025, aligns with the exact definitions published by the US National Institute of Standards and Technology (NIST). For everyday use, standard conversion factors are sufficient. However, in scientific or ...