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Tablespoon (US customary) (tbsp)

Exactly 1/2 of a US fluid ounce.

What is a US tablespoon?

Symbol
tbsp
Quantity
Volume
Unit system
US customary
Definition
Exactly 1/2 of a US fluid ounce.
Exact
Yes, the value is exact by definition
Source
NIST Special Publication 811 (2008), Appendix B.8 (US liquid measures derive from the exact 231 cubic inch gallon)

Common applications

Used in US recipes. One US tablespoon equals three US teaspoons.

Tablespoon (US customary) in other volume units

Tablespoon (US customary) quick reference

Tablespoon (US customary) in other units
Tablespoon (US customary)MilliliterLiterGallon (US liquid)
1 tbsp= 14.78676478125 mL= 0.01478676478125 L= 0.00390625 gal
10 tbsp= 147.8676478125 mL= 0.1478676478125 L= 0.0390625 gal
100 tbsp= 1478.676478125 mL= 1.478676478125 L= 0.390625 gal
1000 tbsp= 14786.76478125 mL= 14.78676478125 L= 3.90625 gal

Where the US tablespoon fits

The next smaller volume unit is the US teaspoon (tsp). 1 tbsp = 3 tsp, and 1 tsp ≈ 0.3333333333 tbsp.

The next larger volume unit is the cubic inch (in³). 1 tbsp = 0.90234375 in³, and 1 in³ ≈ 1.108225108 tbsp.

Frequently asked questions

How many milliliters are in one US tablespoon?
One US tablespoon = 14.78676478125 mL (milliliters).
How many liters are in one US tablespoon?
One US tablespoon = 0.01478676478125 L (liters).
How many US gallons are in one US tablespoon?
One US tablespoon = 0.00390625 gal (US gallons).