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Tablespoon (U.S.)

定义
A U.S. customary tablespoon (Tbsp US) is a volume measure rooted in cutlery. It equals ≈14.7868 mL (often rounded to 14.8 mL). In nutrition labeling on both sides of the Atlantic, a tablespoon is standardized to 15 毫升.

历史与起源
Originally part of the 18th-century Apothecaries’ system, the tablespoon equaled 4 drams or ½ U.S. fluid ounce. Those relationships persist today in U.S. cooking measures.

现代使用
U.S. recipes commonly call for tablespoons when measuring small liquid and dry ingredients. Standard measuring spoons—rather than actual dining cutlery—ensure accuracy in kitchens.

U.S. Cup

定义
The U.S. customary cup (cup US) measures 236.588 mL或 1/16 gal US, 8 fl oz, 16 Tbsp US或 48 tsp US. (A “metric cup” elsewhere holds 250 mL.)

现代使用
Cups are the primary volume unit in American recipes for liquids and bulk ingredients. Calibrated measuring-cup sets safeguard consistency, unlike variable-sized drinking cups.

Tablespoon → Cup Conversion Table

如何转换

• 1 Tbsp US = 0.0625 cup US

• 1 cup US = 16 Tbsp US

示例

转换 15 Tbsp US to cups:

15 × 0.0625 = 0.9375 cup US