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Now that we know how many fluid ounces and milliliters there are in a teaspoon and a tablespoon, we can count easily how many teaspoons in a tablespoon: 1  1 US tablespoon has 3 teaspoons. 2  1 Australian tablespoon has 4 teaspoons.
To find out how many tablespoons in teaspoons, multiply by the factor or simply use the converter below. 1 Teaspoon = 0.33333333 (1/3) Tablespoon [US, UK or Metric]. Teaspoon is a volume unit mostly used in cooking recipes, prescriptions.