The UK gallon (imperial gallon) equals exactly 4.54609 liters, about 20% larger than the US gallon, and remains the standard fuel measurement in the United Kingdom and some Commonwealth nations. British fuel efficiency is expressed in miles per imperial gallon, which yields higher numbers than the US equivalent. One UK gallon equals approximately 1.201 US gallons.

The tablespoon (tbsp) is a volume unit equal to 3 teaspoons or approximately 14.787 milliliters, primarily used in cooking recipes and nutritional labels. In the kitchen, one tablespoon of butter, oil, or sugar provides a consistent measure regardless of the spoon's physical size. One US tablespoon equals exactly 0.5 US fluid ounces.