pakmath.com

US Teaspoons to US Fluid Ounces (tsp to fl oz) Converter

1 US teaspoon (tsp) = 0.166667 US fluid ounces (fl oz). To convert US teaspoons to US fluid ounces, multiply by 0.166667: 1 tsp × 0.166667 = 0.166667 fl oz.

1 tsp = 0.1666666667 fl oz
Convert the other way: US Fluid Ounces to US Teaspoons

Quick facts

How to convert US teaspoons to US fluid ounces

  1. Take the value in US teaspoons.
  2. Multiply it by 0.166667 (the number of US fluid ounces in one US teaspoon).
  3. Round the result to the precision you need.
fl oz = tsp × 0.166667

Worked example (a recipe): 1 tsp × 0.166667 = 0.166667 fl oz.

To convert US fluid ounces back to US teaspoons, multiply by 6, or divide by 0.166667.

Source: NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units).

US Teaspoons to US Fluid Ounces conversion table

US Teaspoons to US Fluid Ounces conversion table
US Teaspoons [tsp]US Fluid Ounces [fl oz]
0.01 tsp0.0016666667 fl oz
0.1 tsp0.0166666667 fl oz
1 tsp0.1666666667 fl oz
2 tsp0.3333333333 fl oz
3 tsp0.5 fl oz
5 tsp0.8333333333 fl oz
10 tsp1.6666666667 fl oz
20 tsp3.3333333333 fl oz
50 tsp8.3333333333 fl oz
100 tsp16.6666666667 fl oz
1000 tsp166.6666666667 fl oz

tsp to fl oz chart from 1 to 100

US Fluid Ounces to US Teaspoons conversion table

US Fluid Ounces to US Teaspoons conversion table
US Fluid Ounces [fl oz]US Teaspoons [tsp]
0.01 fl oz0.06 tsp
0.1 fl oz0.6 tsp
1 fl oz6 tsp
2 fl oz12 tsp
3 fl oz18 tsp
5 fl oz30 tsp
10 fl oz60 tsp
20 fl oz120 tsp
50 fl oz300 tsp
100 fl oz600 tsp
1000 fl oz6000 tsp

US Teaspoons vs US Fluid Ounces

US TeaspoonUS Fluid Ounce
Symboltspfl oz
Equals1 tsp = 0.166667 fl oz1 fl oz = 6 tsp

What is a US teaspoon?

A US customary cooking measure equal to 1/3 tablespoon. Used in US recipes for small quantities of ingredients.

What is a US fluid ounce?

A US customary unit equal to 1/16 of a US pint. Used in the US for beverage and bottle sizes.

Frequently asked questions

How many US fluid ounces are in a US teaspoon?

There are 0.166667 US fluid ounces in 1 US teaspoon (1 tsp = 0.1666666667 fl oz).

How many US teaspoons are in a US fluid ounce?

There are 6 US teaspoons in 1 US fluid ounce (1 fl oz = 6 tsp).

How do I convert US teaspoons to US fluid ounces?

Multiply the number of US teaspoons by 0.166667. For example, 10 tsp × 0.166667 = 1.66667 fl oz. To convert back, multiply by 6.

What is 10 tsp in US fluid ounces?

10 tsp = 1.66667 fl oz.

What is 100 tsp in US fluid ounces?

100 tsp = 16.6667 fl oz.

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units)). Results are shown to up to 10 decimal places; round them to suit your purpose.

Popular volume conversions

Convert US teaspoons to other units

Convert other units to US fluid ounces

Open the full volume converter with every unit →

Related converters

Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

Google Scholar profile (opens in a new tab)

First published 28 October 2026 · Last reviewed 5 November 2026