Tablespoon (tbsp)
Definition
A US tablespoon, half a fluid ounce (14.78676478125 milliliters).
History
The tablespoon became a fixed cooking measure as recipes were standardised, set in the US at half a fluid ounce, about 14.8 milliliters, and equal to three teaspoons.
Where it is used
Tablespoons are an everyday kitchen measure for cooking and baking across the English-speaking world, though the exact size varies a little by country.
Typical uses include recipes.
Conversion pages
These pages convert tablespoon to or from another unit in volume.
Other Volume units
Sources
- NIST HB 44 NIST Handbook 44, Appendix C §2 (U.S. Customary Units) and §5 (Tables of Equivalents) · Dataset reviewed Nov 11, 2026