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Exact relationship and formula
1 U.S. customary cup = 16 U.S. tablespoons. Cups = tablespoons ÷ 16.
Reverse mode applies the inverse relationship from the same definition.
Worked example
8 U.S. tablespoons = 0.5 U.S. cup = 1/2 cup.
This calculator uses U.S. customary cooking units. Metric and other national cup or tablespoon definitions can differ.
Common u.s. tablespoons reference values
| U.S. tablespoons | Conversion |
|---|---|
| 1 US tbsp | 0.0625 US cup |
| 2 US tbsp | 0.125 US cup |
| 4 US tbsp | 0.25 US cup |
| 8 US tbsp | 0.5 US cup |
| 12 US tbsp | 0.75 US cup |
| 16 US tbsp | 1 US cup |
| 32 US tbsp | 2 US cup |
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