Teaspoons (US) to Teaspoons (Metric) converter

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

1 US tsp = 0.98578431875 metric tsp
1 metric tsp ≈ 1.01442068106 US tsp

Formula: metric tsp = US tsp × 0.98578431875
US tsp ≈ metric tsp × 1.01442068106

Definitions: 1 US tsp = 1/3 US tbsp; 1 metric tsp = 5 mL

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.

The metric teaspoon is exactly 5 mL. It is the teaspoon used in the UK, Canada, Australia and most metric recipes, and it is also the standard size for medicine dosing spoons.

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