1.5 Tablespoons to Teaspoons

1.5 tbsp = 4.5 tsp

Calculation: tsp = 1.5 tbsp × 3 = 4.5 tsp

Tablespoon to Teaspoon Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How much is 1.5 tbsp?

22 mL (0.75 fl oz) is about one US fluid ounce (29.6 mL), about two tablespoons.

What does 1.5 tbsp look like?

Illustration of a small measuring cup
22 mL (0.75 fl oz) is about one US fluid ounce (29.6 mL), about two tablespoons.

1.5 tbsp on the Teaspoon scale

tbsp00.511.52tsp0123456

1.5 tbsp = 4.5 tsp

How to Convert Tablespoon to Teaspoon

1 Tablespoon = 3 Teaspoons

Teaspoon = Tablespoon × 3

Example: 1 12 tbsp × 3 = 4 12 tsp

Reverse Conversion

To convert Teaspoons back to Tablespoons:

  • Remember, 1 Teaspoon equals 13 Tablespoons.
  • To convert 4 12 tsp to tbsp, multiply 4 12 x 13, resulting in 1 12 tbsp.

1 12 tbsp is also equal to:

Frequently Asked Questions

How much is 1.5 Tablespoons in Teaspoons?

1.5 Tablespoons equals 4.5 Teaspoons. This is calculated by multiplying 1.5 by the conversion factor 3.

What does 1.5 Tablespoons look like in Teaspoons?

1.5 Tablespoons (4.5 Teaspoons) is a few tablespoons — typical for sauces or dressings.

How do you calculate 1.5 Tablespoons to Teaspoons?

Multiply 1.5 by the conversion factor 3. The calculation is 1.5 × 3 = 4.5 Teaspoons. This factor is defined by international measurement standards.

Share This Calculation

1.5 Tablespoons = 4.5 Teaspoons
1.5 Tablespoons = 4.5 Teaspoons — conversion chart

Nearby Conversions

0.25 Tablespoons0.75 Teaspoons 0.5 Tablespoons1.5 Teaspoons 0.75 Tablespoons2.25 Teaspoons 1 Tablespoon3 Teaspoons 2 Tablespoons6 Teaspoons 2.5 Tablespoons7.5 Teaspoons 3 Tablespoons9 Teaspoons 4 Tablespoons12 Teaspoons

For general conversions between Tablespoons and Teaspoons, see the Tablespoons to Teaspoons converter.

Conversion factors verified against NIST, BIPM, ISO 80000-3 1 US gallon = 3.785411784 L (exact, US customary). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.