Fluid ounces (UK) to Teaspoons (US) converter

To convert fluid ounces (UK) to teaspoons (US), enter the value in the first field. The result in teaspoons (US) is calculated automatically using the exact conversion factor.

1 UK fl oz ≈ 5.76455964242 US tsp
1 US tsp ≈ 0.173473788464 UK fl oz

Formula: US tsp ≈ UK fl oz × 5.76455964242
UK fl oz ≈ US tsp × 0.173473788464

Definitions: 1 UK fl oz = 1/160 UK gal; 1 US tsp = 1/3 US tbsp

The imperial fluid ounce is 1/20 of an imperial pint and is about 4% smaller than the US fluid ounce. It appears in older British recipes and on some UK products, although metric units dominate labels today.

The US teaspoon is one third of a US tablespoon, about 4.93 mL. It is the teaspoon of American recipes, while nutrition labels and medicine dosing in the United States round it to 5 mL.

See the conversion table with commonly used values, handy for quick reference or study.