Fluid Ounces to Teaspoons Conversion Table

Convert 1-16 fl oz to teaspoons

Any volume value in fl oz can be converted to tsp using the conversion factor:

  • 1 ounce = 6 Teaspoon
  • tsp = fl oz × 6

fl oz → tsp Quick Converter

fl oz
tsp

Need more features? Try our complete ounce to Teaspoon converter.

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Fluid Ounces to Teaspoons Conversion Table - conversion chart
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What is Ounce (fl oz)?

The liquid ounce is a unit of volume measurement commonly used in the United States and some other countries to measure the volume of liquids.

What is Teaspoon (tsp)?

The teaspoon is a widely used unit of volume measurement, especially in cooking, baking, and pharmaceuticals.

How to Convert Ounce to Teaspoon

tsp = fl oz × 6

Example

Convert 2 fl oz to tsp:

2 × 6 = 12 tsp

Fluid Ounces to Teaspoons Conversion Table

Values from 1 to 16 fl oz.

fl oz to tsp (1 – 8 fl oz)
fl oz tsp
1 6
2 12
3 18
4 24
5 30
6 36
7 42
8 48
fl oz to tsp (9 – 16 fl oz)
fl oz tsp
9 54
10 60
11 66
12 72
13 78
14 84
15 90
16 96

Frequently Asked Questions

How many teaspoons are in a fluid ounce?

There are exactly 6 teaspoons in 1 US fluid ounce. This is derived from 2 tablespoons per fluid ounce and 3 teaspoons per tablespoon.

How do I convert fluid ounces to teaspoons?

Multiply the number of fluid ounces by 6. For example, 3 fl oz × 6 = 18 teaspoons.

How many teaspoons are in half a fluid ounce?

There are exactly 3 teaspoons in half a fluid ounce (0.5 fl oz), which also equals 1 tablespoon.

When would I need to convert fluid ounces to teaspoons?

This conversion is useful when measuring small amounts of liquid ingredients like vanilla extract, lemon juice, or medicines where precision matters and you only have a teaspoon measure.

How many teaspoons are in 4 fluid ounces?

There are exactly 24 teaspoons in 4 fluid ounces. This also equals 8 tablespoons or half a cup.

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