TBSP
Definition: A tablespoon (symbol: Tbsp) measures volume. It comes from a common kitchen spoon. In the US, one equals about 14.8 mL. A metric tablespoon is exactly 15 mL. In Australia, it is 20 mL. For food labels in the US and UK, it means 15 mL.
History/origin: People started using the tablespoon to measure volume in the 1700s. It was part of the old Apothecaries’ system. Back then, it equaled 4 drams or half a fluid ounce. The US still uses these links today.
Current use: Cooks in places like the US, UK, and Australia use the tablespoon for recipes.
Cup (US)
Definition: A cup measures volume in the imperial and U.S. customary systems. The metric cup equals 250 milliliters. One U.S. customary cup is 236.5882365 milliliters. It also matches 1/16 of a U.S. gallon, 8 U.S. fluid ounces, 16 U.S. tablespoons, or 48 U.S. teaspoons.
Current use: Cooks use the cup to measure liquids and dry ingredients, especially for serving sizes. Real drinking cups come in many sizes and do not match this unit well. Use standard measuring cups for accuracy.
TBSP to Cup Conversion Table
| Tablespoon (US) | Cup (US) |
| 0.01 TBSP (US) | 0.000625 Cups (US) |
| 0.1 TBSP (US) | 0.00625 Cups (US) |
| 1 TBSP (US) | 0.0625 Cups (US) |
| 2 TBSP (US) | 0.125 Cups (US) |
| 3 TBSP (US) | 0.1875 Cups (US) |
| 5 TBSP (US) | 0.3125 Cups (US) |
| 10 TBSP (US) | 0.625 Cups (US) |
| 20 TBSP (US) | 1.25 Cups (US) |
| 50 TBSP (US) | 3.125 Cups (US) |
| 100 TBSP (US) | 6.25 Cups (US) |
| 1000 TBSP (US) | 62.5 Cups (US) |
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1 TBSP (US) = 0.0625 cups (US)
1 cup (US) = 16 TBSP (US)
Example: convert 15 TBSP (US) to cups (US):
15 TBSP (US) = 15 × 0.0625 cup (US) = 0.9375 cups (US)