Common liquid measurement equivalents include 3 teaspoons to 1 tablespoon, 8 ounces to 1 cup and 128 ounces to 1 gallon, with more equivalents listed at GoodCooking.com and Convert-Me.com. The latter website features a tool allowing a user to type in a liquid measurement in one unit and calculate its equivalent in other units.
To find additional liquid measurement equivalents at GoodCooking.com, click the Search Good Cooking button on the right side of the main page, type "conversions" in the search box, and click the Search button. Scroll down, and click the Liquid and Dry Measurement Equivalents button to display a calculator allowing conversions such as teaspoons to tablespoons, ounces to cups and cups to gallons. A chart displaying many liquid measurement equivalents displays beneath the calculator.
At Convert-Me.com, click the Capacity and Volume link beneath the Basic heading near the top-left of the main page to display several liquid measurement equivalent calculators such as Metric, U.S. Liquid Measure, British Imperial Liquid and Cooking. Choose an applicable chart, and then type a measure in the box next to the known unit, and click the Convert Me button to display the equivalent in the other units listed. This page also features calculators based on archaic or foreign units, with names such as Old Spanish Liquid Measure and Thai Units.