2 1/2 cups in Teaspoons
2 1/2 cups equals 120 teaspoons. This is an exact US kitchen volume conversion: 1 cup = 48 teaspoons.
Conversion Formula
teaspoons = cups x 48
Use This for Volume
This page converts measuring-cup volume to teaspoons. It is useful for scaling sauces, liquids, vanilla, oil, and small recipe adjustments.
US Kitchen Standard
A US cup is 16 tablespoons or 48 teaspoons. That is why 2 1/2 cups becomes 40 tablespoons and 120 teaspoons.
Not a Gram Conversion
Grams depend on ingredient density. 2 1/2 cups is always 120 tsp, but it is not the same gram weight for flour, sugar, butter, or water.
US Cup Reference
| Unit | Equals | Best used for |
|---|---|---|
| 1 US cup | 16 tbsp / 48 tsp | Standard recipe volume |
| 1 tablespoon | 3 tsp | Small wet or dry additions |
| 1 teaspoon | 1/48 cup | Flavorings, salt, leavening, spices |
Nearby Cup to Teaspoon Conversions
Frequently Asked Questions
2 1/2 cups equals 120 teaspoons because 1 US cup contains 48 teaspoons.
2 1/2 cups equals 40 tablespoons. Since 1 tablespoon is 3 teaspoons, this is also 120 teaspoons.
No. Cups, teaspoons, and tablespoons are volume units, so this conversion is the same for water, flour, sugar, butter, and other ingredients. Gram conversions do change by ingredient.