How many teaspoons are in 1 fluid ounce?

There are exactly 6 teaspoons in 1 US fluid ounce. This is based on the US customary system where 1 fl oz = 2 tablespoons = 6 teaspoons.

Does this use US or UK fluid ounces?

This converter uses US fluid ounces (1 US fl oz ≈ 29.574 mL). UK (imperial) fluid ounces are slightly different (1 UK fl oz ≈ 28.413 mL), but the teaspoon ratio of 6 tsp per fl oz applies to the US system used in American recipes.

How do I convert teaspoons back to fluid ounces?

Divide the number of teaspoons by 6. For example, 18 teaspoons ÷ 6 = 3 fluid ounces. Use the Swap button in the converter to do this automatically.

What is 2 fl oz in teaspoons?

2 fluid ounces = 12 teaspoons. Multiply any fluid ounce value by 6 to get teaspoons.

Fluid Ounces to Teaspoons Converter

Name: Fluid Ounces to Teaspoons Converter
Availability: InStock
Author: Nham Vu

Convert fluid ounces to teaspoons: 1 fl oz = 6 tsp (US customary).

Converter

Fluid Ounces (fl oz)

Teaspoons (tsp) —

Quick Reference

1 fl oz = 6 tsp (US customary)

Fluid Ounces	Teaspoons
¼ fl oz	1.5 tsp
½ fl oz	3 tsp
1 fl oz	6 tsp
1.5 fl oz	9 tsp
2 fl oz	12 tsp
3 fl oz	18 tsp
4 fl oz	24 tsp
6 fl oz	36 tsp
8 fl oz	48 tsp
16 fl oz	96 tsp

Summary

Convert fluid ounces to teaspoons: 1 fl oz = 6 tsp (US customary).

How it works

Enter the number of fluid ounces in the input field.
The converter multiplies your value by 6 (US customary ratio).
The result in teaspoons appears instantly below.
Use the quick-reference table for common cooking measurements.
Click "Swap" to convert teaspoons back to fluid ounces.

Use cases

Scale recipe ingredients from fluid ounces to teaspoons.
Convert medicine dosages listed in fluid ounces.
Cross-check cooking measurements when a teaspoon measure is handy.
Understand small-volume equivalents for bartending.
Check nutritional label serving sizes against teaspoon measures.

Frequently Asked Questions

Last updated: 2026-07-01 · Reviewed by Nham Vu