Volume Converter

Tablespoon (US) Definition

A tablespoon (symbol: Tbsp) is a unit of volume. The United States customary tablespoon is equal to approximately 14.8 mL. In nutrition labeling, a tablespoon is defined as 15 mL.

History/Origin

The use of the tablespoon as a measurement of volume began in the 18th century when it became the unofficial unit of the Apothecaries' system of measures, equal to 4 drams, or ½ of a fluid ounce.

Current Use

The tablespoon as a unit of volume is used in cooking in certain countries such as the United States, the United Kingdom, and Australia.

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