Convert Teaspoons to US cups
1 teaspoon = 0.020833 US cups · cup = tsp ÷ 48
When you need this conversion
This conversion goes from teaspoons, a standard cooking and dosing measure of about 5 milliliters, to US cups, the volume-based measure central to American recipes. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Teaspoons to US cups conversion table
| Teaspoons (tsp) | US cups (cup) |
|---|---|
| 1 tsp | 0.020833 cup |
| 2 tsp | 0.041667 cup |
| 3 tsp | 0.0625 cup |
| 5 tsp | 0.104167 cup |
| 10 tsp | 0.208333 cup |
| 15 tsp | 0.3125 cup |
| 20 tsp | 0.416667 cup |
| 25 tsp | 0.520833 cup |
| 50 tsp | 1.0417 cup |
| 75 tsp | 1.5625 cup |
| 100 tsp | 2.0833 cup |
| 250 tsp | 5.2083 cup |
| 500 tsp | 10.4167 cup |
| 1,000 tsp | 20.8333 cup |
The formula
cup = tsp ÷ 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
US cups to teaspoons →Related volume conversions
- 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 cups to milliliters
- US fluid ounces to milliliters
- Liters to US cups
- Cubic meters to US cups
Frequently asked questions
- How many US cups are in a teaspoon?
- There are 0.020833 US cups in 1 teaspoon. The formula is cup = tsp ÷ 48.
- How do you convert teaspoons to US cups?
- Use the formula cup = tsp ÷ 48. For example, 10 teaspoons equals 0.208333 US cups.
- Is the teaspoons to US cups conversion exact?
- Yes. Teaspoons and US cups are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is tsp short for?
- tsp is the standard symbol for teaspoon. cup is the symbol for US cup.