While 1 U.S. tablespoon is 15 mL (3 teaspoons), an Australian tablespoon is 20 mL, which equals 4 teaspoons.
If your tablespoon is dirty, you can use a teaspoon three times. How Many Teaspoons in a Tablespoon? (Chart) - The Kitchn
There are exactly . This standard, level measurement applies to both dry and wet ingredients in the United States. Key Culinary Conversions 1 Tablespoon = 3 Teaspoons ½ Tablespoon = 1½ Teaspoons 2 Tablespoons = 6 Teaspoons 4 Tablespoons = ¼ Cup or 12 Teaspoons 16 Tablespoons = 1 Cup or 48 Teaspoons Quick Tips