How to convert US teaspoons to US cups
cup = tsp × 0.02083333333Because one US cup equals 48 US teaspoons, you can also divide: cup = tsp ÷ 48.
An US teaspoon is smaller than an US cup: it takes 48 US teaspoons to make one US cup.
Worked examples
- 1 US teaspoon1 tsp × 0.02083333333 = 0.02083333333 cup
- 5 US teaspoons5 tsp × 0.02083333333 = 0.1041666667 cup
- 10 US teaspoons10 tsp × 0.02083333333 = 0.2083333333 cup
- 20 US teaspoons20 tsp × 0.02083333333 = 0.4166666667 cup
- 100 US teaspoons100 tsp × 0.02083333333 = 2.083333333 cup
US teaspoons to US cups conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| US teaspoons (tsp) | US cups (cup) |
|---|---|
| 0.1 tsp | 0.0020833333 cup |
| 0.25 tsp | 0.0052083333 cup |
| 0.5 tsp | 0.010416667 cup |
| 1 tsp | 0.020833333 cup |
| 2 tsp | 0.041666667 cup |
| 3 tsp | 0.0625 cup |
| 4 tsp | 0.083333333 cup |
| 5 tsp | 0.10416667 cup |
| 6 tsp | 0.125 cup |
| 7 tsp | 0.14583333 cup |
| 8 tsp | 0.16666667 cup |
| 9 tsp | 0.1875 cup |
| 10 tsp | 0.20833333 cup |
| US teaspoons (tsp) | US cups (cup) |
|---|---|
| 12 tsp | 0.25 cup |
| 15 tsp | 0.3125 cup |
| 20 tsp | 0.41666667 cup |
| 25 tsp | 0.52083333 cup |
| 30 tsp | 0.625 cup |
| 40 tsp | 0.83333333 cup |
| 50 tsp | 1.0416667 cup |
| 75 tsp | 1.5625 cup |
| 100 tsp | 2.0833333 cup |
| 250 tsp | 5.2083333 cup |
| 500 tsp | 10.416667 cup |
| 1,000 tsp | 20.833333 cup |
About the units
US teaspoon (tsp)
One third of a US tablespoon: about 4.93 mL. Medicine spoons are usually a rounded 5 mL. One US teaspoon equals 0.000004928921594 cubic meters (m³).
US cup (cup)
The US customary cup is half a US pint, 236.5882365 mL (8 US fl oz). US nutrition labels instead use a “legal cup” of exactly 240 mL. One US cup equals 0.0002365882365 cubic meters (m³).
Frequently asked questions
How many US cups are in one US teaspoon?
There are 0.02083333333 US cups in one US teaspoon, and this value is exact by definition.
How do I convert US teaspoons to US cups?
Multiply the number of US teaspoons by 0.02083333333. For example, 10 tsp × 0.02083333333 = 0.2083333333 cup.
How many US teaspoons are in one US cup?
One US cup equals 48 US teaspoons. That is the reverse factor, 1 ÷ 0.02083333333.
What is 10 US teaspoons in US cups?
10 tsp = 0.2083333333 cup.
Is this tsp to cup converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.