Teaspoon (Metric): in the metric system, the teaspoon is not a standardized unit of volume. The metric system primarily uses the liter and its subunits, such as milliliters, for measuring volume. However, in culinary contexts, especially in recipes, people might refer to a "teaspoon" for convenience, as 1 metric teaspoon is often considered to be roughly equivalent to 5 milliliters.
Tablespoon (US): In the United States, a tablespoon is a unit of volume commonly used in cooking and culinary measurements. It is part of the U.S. customary system, which is similar to but distinct from the imperial system. 1 U.S. tablespoon = 14.7868 milliliters.
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