1.5 Tablespoons to Teaspoons

1.5 tbsp = 4.5 tsp

= 22.2 ml  |  0.75 fl oz  |  0.0940 cups

Australia: 1.5 tbsp = 6 tsp (20 ml tablespoon)

One and a half tablespoons is 4.5 teaspoons or 22.2 ml. This is a common measurement for soy sauce or fish sauce in stir-fry and noodle recipes, or for spice blends used in moderate-heat dishes. To measure 1.5 tablespoons, fill a tablespoon once and a 1/2 teaspoon three times, or fill a tablespoon once and a teaspoon and a half. In Australia, 1.5 tablespoons using a 20 ml tablespoon would be 30 ml (6 teaspoons).

4.5

Adjacent Tablespoon Values

TablespoonsTeaspoonsmlfl oz
1314.80.5
1.253.7518.50.625
1.54.522.20.75
1.755.2525.90.875
2629.61

Common Questions

What is 1.5 tablespoons in teaspoons?
1.5 tablespoons equals 4.5 teaspoons. The formula is tablespoons multiplied by 3: 1.5 x 3 = 4.5.
What is 1.5 tablespoons in ml?
1.5 US/UK tablespoons is 22.2 ml. The Australian equivalent (using a 20 ml tablespoon) would be 30 ml.
Is 1.5 tablespoons the same as 1 tablespoon and 1 teaspoon?
Yes. 1.5 tablespoons = 1 tablespoon + 1.5 teaspoons, or equivalently 1 tablespoon + 1 teaspoon + 0.5 teaspoon.
Where does 1.5 tablespoons appear in recipes?
Most commonly in Asian-style sauces (soy, tamari, fish sauce), spice rubs, and salad dressings that have been scaled for 2 to 4 servings. It also appears in bread recipes for yeast and salt measurements.

Related Pages

tbsp to tsp ConverterKitchen ChartDry vs LiquidAustralia Guide

Updated 2026-05-11