FromtspUS
ToflozUS

Teaspoon (US) to Fluid Ounce (US) Converter

Unit Converter

Instant · Precise · Universal

THEME
tsp (US)

47 units available

6 categories total

How to Convert Teaspoon (US) to Fluid Ounce (US)

To mL: multiply by 4.929. To UK teaspoons: multiply by 0.832674. To tablespoons (US): divide by 3.

1 US tsp = 1/3 US tbsp = 1/6 US fl oz = 1/48 US cup ≈ 4.929 mL.

For example, 1 Teaspoon (US) (tsp (US)) = 0.1666666663 Fluid Ounce (US) (fl oz (US)).

Teaspoon (US) to Fluid Ounce (US) — Common Values

Teaspoon (US) (tsp (US))Fluid Ounce (US) (fl oz (US))
0.10.01666666663
0.50.08333333316
10.1666666663
20.3333333327
50.8333333316
101.666666663
254.166666658
508.333333316
10016.66666663
50083.33333316
1000166.6666663

About Teaspoon (US) (tsp (US))

Definition

The US teaspoon is a unit of culinary volume equal to 1/3 of a US tablespoon, or approximately 4.929 milliliters.

Mathematical Relationship

1 US tsp = 1/3 US tbsp = 1/6 US fl oz = 1/48 US cup ≈ 4.929 mL.

Conversion Formula

To mL: multiply by 4.929. To UK teaspoons: multiply by 0.832674. To tablespoons (US): divide by 3.

Practical Applications

Cooking and baking recipes, measuring medicine doses, adding spices, sugar or salt, and child medication dosing.

Interesting Facts

The US teaspoon is slightly smaller than the metric teaspoon (5 mL). The phrase 'a teaspoon of sugar' equals about 4 grams.

Common Mistakes

Using a regular eating spoon instead of a measuring teaspoon — actual teaspoons vary widely. Always use a calibrated spoon.

Educational Tips

3 tsp = 1 tbsp. 48 tsp = 1 cup. For mL conversion, remember 1 tsp ≈ 5 mL (the metric teaspoon is exactly 5 mL).

About Fluid Ounce (US) (fl oz (US))

Definition

The US fluid ounce is a unit of liquid volume equal to 1/128 of a US gallon, or approximately 29.574 milliliters.

Mathematical Relationship

1 US fl oz = 2 US tbsp = 6 US tsp = 1/8 US cup = 29.5735 mL.

Conversion Formula

To mL: multiply by 29.5735. To UK fluid ounces: multiply by 1.04084. To tablespoons (US): multiply by 2.

Practical Applications

Beverage cans (12 fl oz), water bottles (16.9 fl oz), coffee sizes, medicine dosing, and shampoo bottles.

Interesting Facts

A US fluid ounce of water weighs almost exactly 1 avoirdupois ounce (29.57 mL ≈ 28.35 g). The UK fl oz is slightly smaller (28.41 mL).

Common Mistakes

Confusing fluid ounces (volume) with ounces (weight). Also, US and UK fluid ounces differ slightly.

Educational Tips

1 fl oz ≈ 30 mL (close enough). A soda can = 12 fl oz. A standard water bottle = 16.9 fl oz ≈ 500 mL.

Frequently Asked Questions

How do I convert Teaspoon (US) to Fluid Ounce (US)?
To mL: multiply by 4.929. To UK teaspoons: multiply by 0.832674. To tablespoons (US): divide by 3.
What is 1 Teaspoon (US) in Fluid Ounce (US)?
1 Teaspoon (US) (tsp (US)) = 0.1666666663 Fluid Ounce (US) (fl oz (US)).
What is a Teaspoon (US)?
The US teaspoon is a unit of culinary volume equal to 1/3 of a US tablespoon, or approximately 4.929 milliliters.
What is a Fluid Ounce (US)?
The US fluid ounce is a unit of liquid volume equal to 1/128 of a US gallon, or approximately 29.574 milliliters.
Where is Teaspoon (US) used in everyday life?
Cooking and baking recipes, measuring medicine doses, adding spices, sugar or salt, and child medication dosing.
What are common mistakes when converting Teaspoon (US)?
Using a regular eating spoon instead of a measuring teaspoon — actual teaspoons vary widely. Always use a calibrated spoon.

Other Volume Conversions

Convert Teaspoon (US) to All Volume Units

UntangleTools
UntangleTools
UntangleTools

UntangleTools

© 2026 UntangleTools. All Rights Reserved.