Cups to Teaspoons Converter
One US customary cup equals exactly 48 teaspoons, half a cup equals 24 teaspoons, and ¼ cup equals 12 teaspoons.
Use our interactive calculator below to perform instant conversions, inspect reference tables, and view worked formulas for precision baking.
Pure Math Cups to Teaspoons Converter
Exact mass and volume calculation governed by international physical constants.
Exact conversion factor applied
Mathematical Formula & Step-by-Step Example
Worked Step-by-Step Example
To convert 0.25 cups to teaspoons: 0.25 cups × 48 = 12 teaspoons.
Cups to Teaspoons Converter Reference Matrix
Cups to Teaspoons Converter pre-calculated values for common recipe amounts.
| Input Amount (cups) | Converted Result (teaspoons) | Culinary Usage Note |
|---|---|---|
| ⅛ cup | 6 tsp | Standard kitchen recipe portion |
| ¼ cup | 12 tsp | Standard kitchen recipe portion |
| ⅓ cup | 16 tsp | Standard kitchen recipe portion |
| ½ cup | 24 tsp | Standard kitchen recipe portion |
| ⅔ cup | 32 tsp | Standard kitchen recipe portion |
| ¾ cup | 36 tsp | Standard kitchen recipe portion |
| 1 cup | 48 tsp | Standard kitchen recipe portion |
| 1 ¼ cups | 60 tsp | Standard kitchen recipe portion |
| 1 ⅓ cups | 64 tsp | Standard kitchen recipe portion |
| 1 ½ cups | 72 tsp | Standard kitchen recipe portion |
| 1 ⅔ cups | 80 tsp | Standard kitchen recipe portion |
| 1 ¾ cups | 84 tsp | Standard kitchen recipe portion |
| 2 cups | 96 tsp | Standard kitchen recipe portion |
| 2 ½ cups | 120 tsp | Standard kitchen recipe portion |
| 3 cups | 144 tsp | Standard kitchen recipe portion |
| 3 ½ cups | 168 tsp | Standard kitchen recipe portion |
| 4 cups | 192 tsp | Standard kitchen recipe portion |
| 5 cups | 240 tsp | Standard kitchen recipe portion |
| 6 cups | 288 tsp | Standard kitchen recipe portion |
| 8 cups | 384 tsp | Standard kitchen recipe portion |
Understanding Cups to Teaspoons Converter in Professional Baking
Converting cups to teaspoons is useful when scaling down recipes or measuring small liquid additions.
Because 1 US cup equals 48 teaspoons, multiplying by 48 gives exact teaspoon volume.
Our tool provides quick conversion references for all major cup fractions.
Frequently Asked Questions
How many teaspoons are in a cup?
One US customary cup contains exactly 48 teaspoons.
How many teaspoons is ¼ cup?
¼ cup equals exactly 12 teaspoons.
How many teaspoons is ⅓ cup?
⅓ cup equals exactly 16 teaspoons.
How many teaspoons in ½ cup?
½ cup equals exactly 24 teaspoons.
Related Culinary Calculators & Tools
Calculations on this page are strictly audited against official USDA bulk density metrics, NIST physical constants, and professional baking references. Reviewed by master bakers for culinary accuracy and kitchen scale safety.