Teaspoons (US) to Ounces (weight) Converter

Convert teaspoons (us) to ounces (weight) for cooking measurements.

Common cooking measurement units

US teaspoon (tsp)

Definition: A US teaspoon is a volume unit equal to about 4.9289 milliliters.

History/origin: The teaspoon started as a household spoon measure and was standardized as cooking became more precise.

Current use: Teaspoons are used for spices, vanilla, salt, baking powder, and small liquid or dry amounts.

Ounce (oz)

Definition: The ounce is a customary weight unit used for food portions and ingredients. One avoirdupois ounce converts to approximately 28.35 g.

History/origin: Ounce-based weighing passed from older European trade systems into English and American kitchens, where it stayed common in recipes and retail packaging.

Current use: Oz is often printed on snack bags, cheese blocks, chocolate bars, meat portions, postal-style kitchen scales, and American baking or meal-prep recipes.

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