Convert teaspoons to US cups
1 tsp = 0.02083333 cup. Change the amount below, or read the formula and the reference table further down.
1 teaspoon equals
US cups
1 tsp = 0.02083333 cup
The formula
Teaspoons and US cups both measure volume from the same zero, so a single multiplier does the job.
cup = tsp × 0.0208333333
Going the other way? Convert US cups to teaspoons.
Teaspoons to US cups table
Common values, rounded for reading.
| Teaspoons (tsp) | US cups (cup) |
|---|---|
| 1 | 0.020833 |
| 2 | 0.041667 |
| 3 | 0.0625 |
| 4 | 0.083333 |
| 5 | 0.104167 |
| 6 | 0.125 |
| 7 | 0.145833 |
| 8 | 0.166667 |
| 9 | 0.1875 |
| 10 | 0.208333 |
| 15 | 0.3125 |
| 20 | 0.416667 |
| 25 | 0.520833 |
| 30 | 0.625 |
| 40 | 0.833333 |
| 50 | 1.0417 |
| 75 | 1.5625 |
| 100 | 2.0833 |
| 250 | 5.2083 |
| 500 | 10.4167 |
| 1,000 | 20.8333 |
Questions people ask
- How many US cups are in a teaspoon?
- One teaspoon equals 0.0208333333 US cups.
- How do I convert teaspoons to US cups by hand?
- Multiply the number of teaspoons by 0.0208333333. For a rough check, 0.021 is close enough for most everyday use.
- What is 1 teaspoon in US cups?
- 1 teaspoon is 0.02083333 US cups.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.