Free cups to tablespoons calculator
Enter a cup amount — this cups to tablespoons converter shows the exact number of tablespoons and teaspoons for every cup fraction from ⅛ to 4 cups, updated live, as you type.
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Volume-to-weight conversions are approximate and vary by ingredient brand, moisture, and packing method.
Results are estimates. Consult a professional.
How the cups-to-tablespoons calculator works
This is a pure volume-to-volume conversion with no ingredient density involved. One US cup is defined as exactly 16 US tablespoons, and one tablespoon is exactly 3 teaspoons. These ratios are fixed — they hold for every ingredient, liquid or dry, without exception. The calculator multiplies your cup amount by 16 to give tablespoons, and by 48 to give teaspoons.
Worked example: converting a dressing recipe
A vinaigrette recipe calls for ⅔ cup of olive oil. The measuring cup is occupied, and the cook only has tablespoon and teaspoon measures on hand.
Step 1 — Multiply by 16
⅔ × 16 = 10.667 tablespoons. The integer part is 10 tablespoons; the 0.667 remainder converts to teaspoons in the next step.
Step 2 — Convert the remainder to teaspoons
Cup fractions to tablespoons and teaspoons
All values are exact per US customary definitions. The "tablespoons" column shows the clean combined form (e.g. "5 tbsp + 1 tsp") where the fraction does not reduce to a whole tablespoon.
| Cups | Tablespoons | Teaspoons |
|---|---|---|
| ⅛ cup | 2 tbsp | 6 tsp |
| ¼ cup | 4 tbsp | 12 tsp |
| ⅓ cup | 5 tbsp + 1 tsp | 16 tsp |
| ½ cup | 8 tbsp | 24 tsp |
| ⅔ cup | 10 tbsp + 2 tsp | 32 tsp |
| ¾ cup | 12 tbsp | 36 tsp |
| 1 cup | 16 tbsp | 48 tsp |
Source: NIST/FDA standard US household measures. 1 cup = 16 tablespoons = 48 teaspoons (exact).
Tips for measuring without a measuring cup
Tablespoon-and-teaspoon measuring is slower than a cup but equally accurate when done carefully. A few habits keep it precise.
- Fill and level tablespoons for dry ingredients — dip the spoon into the ingredient, overfill, then sweep a straight edge across the top. A heaped tablespoon can hold 25–30% more than a level one.
- Use a liquid tablespoon for liquids — hold the spoon level over a bowl before you tip it in. A slightly tilted spoon loses a few millilitres every time.
- ½ cup = 8 tablespoons — the most useful anchor. Many tablespoon sets include a ½-cup equivalent mark, so count up or down from there.
- Scale baking recipes in grams, not tablespoons — for flour and sugar, tablespoons are error-prone. Convert cups to grams and weigh instead of counting 16 tablespoons.
- Australian tablespoons are 20 mL, not 15 mL — if you are following an Australian recipe, the tablespoon-to-cup ratio is different (1 AU cup = 12.5 AU tablespoons). Always match the tablespoon standard to the recipe's origin.
Accuracy and limitations
The conversion itself is exact — there is no rounding or approximation in the arithmetic. One US cup is 16 US tablespoons by definition, and 48 US teaspoons, with no uncertainty.
The practical limit is how accurately you fill each spoon. A mounded tablespoon of baking powder can hold twice as much as a level one. For dry leavening agents, spices and salt — where even small errors affect flavour — always use the level-spoon technique or weigh in grams.
US measure terms defined
About this cups-to-tablespoons calculator
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