Convert US Cup (cup) to Teaspoon (tsp) instantly. Enter any value — result updates live.
Converting US Cup to Teaspoon is a common volume conversion. One us cup (cup) equals 48 teaspoon (tsp). Cups are the most common volume measurement in American home cooking and baking.
This conversion is commonly needed for home brewing and winemaking, cooking and baking recipes, fuel and vehicle maintenance. Teaspoons are the smallest common cooking measurement, also used for medicine dosing.
To put us cup in perspective: a cup of coffee. In teaspoon, common references include a teaspoon of vanilla extract.
The US cup (240 mL) isn't a formally defined SI or imperial unit — it varies slightly from Commonwealth and Japanese 'cup' measurements, a common source of recipe conversion errors.
The teaspoon's modern volume (about 4.93 mL in the US) was standardized in the early 20th century specifically to make recipe scaling and medicine dosing more consistent.
People frequently convert between us cup and teaspoon for:
| US Cup (cup) | Teaspoon (tsp) |
|---|---|
| 1 cup | 48 tsp |
| 2 cup | 95.9999 tsp |
| 5 cup | 240 tsp |
| 10 cup | 480 tsp |
| 15 cup | 720 tsp |
| 20 cup | 960 tsp |
| 25 cup | 1,200 tsp |
| 30 cup | 1,440 tsp |
| 50 cup | 2,400 tsp |
| 100 cup | 4,800 tsp |
| 200 cup | 9,600 tsp |
| 500 cup | 24,000 tsp |
| 1000 cup | 48,000 tsp |