Convert US cups to teaspoons
1 US cup = 48 teaspoons · tsp = cup × 48
When you need this conversion
This conversion goes from US cups, the volume-based measure central to American recipes, to teaspoons, a standard cooking and dosing measure of about 5 milliliters. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
US cups to teaspoons conversion table
| US cups (cup) | Teaspoons (tsp) |
|---|---|
| 1 cup | 48 tsp |
| 2 cup | 96 tsp |
| 3 cup | 144 tsp |
| 5 cup | 240 tsp |
| 10 cup | 480 tsp |
| 15 cup | 720 tsp |
| 20 cup | 960 tsp |
| 25 cup | 1,200 tsp |
| 50 cup | 2,400 tsp |
| 75 cup | 3,600 tsp |
| 100 cup | 4,800 tsp |
| 250 cup | 12,000 tsp |
| 500 cup | 24,000 tsp |
| 1,000 cup | 48,000 tsp |
The formula
tsp = cup × 48Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Teaspoons to US cups →Related volume conversions
- US cups to milliliters
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Liters to US gallons
- Cubic meters to liters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US gallons to liters
- US fluid ounces to milliliters
- Milliliters to teaspoons
- Liters to teaspoons
Frequently asked questions
- How many teaspoons are in a US cup?
- There are 48 teaspoons in 1 US cup. The formula is tsp = cup × 48.
- How do you convert US cups to teaspoons?
- Use the formula tsp = cup × 48. For example, 10 US cups equals 480 teaspoons.
- Is the US cups to teaspoons conversion exact?
- Yes. US cups and teaspoons are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is cup short for?
- cup is the standard symbol for US cup. tsp is the symbol for teaspoon.