1 teaspoon 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
Values either side of 1 tsp.
| Teaspoons (tsp) | US cups (cup) |
|---|---|
| -4 | -0.083333 |
| -3.5 | -0.072917 |
| -3 | -0.0625 |
| -2.5 | -0.052083 |
| -2 | -0.041667 |
| -1.5 | -0.03125 |
| -1 | -0.020833 |
| -0.5 | -0.010417 |
| 0 | 0 |
| 0.5 | 0.010417 |
| 1 | 0.020833 |
| 1.5 | 0.03125 |
| 2 | 0.041667 |
| 2.5 | 0.052083 |
| 3 | 0.0625 |
| 3.5 | 0.072917 |
| 4 | 0.083333 |
| 4.5 | 0.09375 |
| 5 | 0.104167 |
| 5.5 | 0.114583 |
| 6 | 0.125 |
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.