1 tsp = 0.020833262887382 cup
1 US teaspoon (tsp) = 0.020833262887382 US customary cup (cup).
If you want to reverse convert, use US customary cup → US teaspoon. 1 cup = 48.00016230802 tsp. You can also explore the full Volume converter page for more cross conversions.
Conversion formula
US teaspoon to US customary cup formula: value in cup = value in tsp × 0.020833262887382.
US customary cup to US teaspoon formula: value in tsp = value in cup × 48.00016230802.
How to convert US teaspoon to US customary cup
To convert US teaspoon to US customary cup, multiply the value in tsp by 0.020833262887382. This gives the result in cup.
For example, 1 tsp = 0.020833262887382 cup and 10 tsp = 0.20833262887382 cup.
What is US teaspoon?
US teaspoon (tsp): A US recipe measure with a fixed value. A household spoon may hold a different volume. 1 tsp ≈ 4.9289 mL.
What is US customary cup?
US customary cup (cup): The US customary cup. It is not a local drinking glass or a 250-millilitre metric cup. 1 cup ≈ 236.588 mL.
FAQ
How many us customary cup are in 1 us teaspoon?
There are 0.020833262887382 cup in 1 tsp.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert us teaspoon to us customary cup?
Multiply the value in tsp by 0.020833262887382 to get the value in cup.
US teaspoon → other Volume units
- 1 us teaspoon = 4.9289E-6 cubic meter
- 1 us teaspoon → cubic centimeter = 4.9289 cubic centimeter
- 1 us teaspoon → cubic millimeter = 4928.9 cubic millimeter
- 1 us teaspoon = 4.9289E-5 hectoliter
- 1 us teaspoon → liter = 0.0049289 liter
- 1 us teaspoon → deciliter = 0.049289 deciliter
- 1 us teaspoon → centiliter = 0.49289 centiliter
- 1 us teaspoon → milliliter = 4.9289 milliliter
- 1 us teaspoon → cubic feet = 0.00017406246075437 cubic feet
- 1 us teaspoon → cubic inch = 0.30077993226853 cubic inch
- 1 us teaspoon = 6.4467578074038E-6 cubic yard
- 1 us teaspoon → us liquid pint = 0.010416631443691 us liquid pint
- 1 us teaspoon → us gallon = 0.0013020782425153 us gallon
- 1 us teaspoon → us tablespoon = 0.33332657063637 us tablespoon
- 1 us teaspoon → us customary cup = 0.020833262887382 us customary cup
- 1 us teaspoon → us liquid quart = 0.0052083102182801 us liquid quart
- 1 us teaspoon → us fluid ounce = 0.16666610309906 us fluid ounce
- 1 us teaspoon → imperial gallon = 0.0010842064279414 imperial gallon
US teaspoon → US customary cup Table
The table below shows common values from US teaspoon to US customary cup and the reverse direction for quick reference.
| tsp | cup | Rounded |
|---|---|---|
| 1 tsp | 0.020833262887382 cup | 0.0208 |
| 2 tsp | 0.041666525774765 cup | 0.0417 |
| 3 tsp | 0.062499788662147 cup | 0.0625 |
| 4 tsp | 0.083333051549529 cup | 0.0833 |
| 5 tsp | 0.10416631443691 cup | 0.1042 |
| 10 tsp | 0.20833262887382 cup | 0.2083 |
| 12 tsp | 0.24999915464859 cup | 0.2500 |
| 15 tsp | 0.31249894331073 cup | 0.3125 |
| 20 tsp | 0.41666525774765 cup | 0.4167 |
| 25 tsp | 0.52083157218456 cup | 0.5208 |
| 30 tsp | 0.62499788662147 cup | 0.6250 |
| 40 tsp | 0.83333051549529 cup | 0.8333 |
| 50 tsp | 1.0416631443691 cup | 1.0417 |
| 75 tsp | 1.5624947165537 cup | 1.5625 |
| 100 tsp | 2.0833262887382 cup | 2.0833 |
| 200 tsp | 4.1666525774765 cup | 4.1667 |
| 250 tsp | 5.2083157218456 cup | 5.2083 |
| 500 tsp | 10.416631443691 cup | 10.4166 |
| 750 tsp | 15.624947165537 cup | 15.6249 |
| 1000 tsp | 20.833262887382 cup | 20.8333 |
| 2500 tsp | 52.083157218456 cup | 52.0832 |
| 5000 tsp | 104.16631443691 cup | 104.1663 |
| 10000 tsp | 208.33262887382 cup | 208.3326 |
US customary cup → US teaspoon Table
| cup | tsp | Rounded |
|---|---|---|
| 1 cup | 48.00016230802 tsp | 48.0002 |
| 2 cup | 96.00032461604 tsp | 96.0003 |
| 3 cup | 144.00048692406 tsp | 144.0005 |
| 4 cup | 192.00064923208 tsp | 192.0006 |
| 5 cup | 240.0008115401 tsp | 240.0008 |
| 10 cup | 480.0016230802 tsp | 480.0016 |
| 12 cup | 576.00194769624 tsp | 576.0019 |
| 15 cup | 720.0024346203 tsp | 720.0024 |
| 20 cup | 960.0032461604 tsp | 960.0032 |
| 25 cup | 1200.0040577005 tsp | 1200.0041 |
| 30 cup | 1440.0048692406 tsp | 1440.0049 |
| 40 cup | 1920.0064923208 tsp | 1920.0065 |
| 50 cup | 2400.008115401 tsp | 2400.0081 |
| 75 cup | 3600.0121731015 tsp | 3600.0122 |
| 100 cup | 4800.016230802 tsp | 4800.0162 |
| 200 cup | 9600.032461604 tsp | 9600.0325 |
| 250 cup | 12000.040577005 tsp | 12000.0406 |
| 500 cup | 24000.08115401 tsp | 24000.0812 |
| 750 cup | 36000.121731015 tsp | 36000.1217 |
| 1000 cup | 48000.16230802 tsp | 48000.1623 |
| 2500 cup | 120000.40577005 tsp | 120000.4058 |
| 5000 cup | 240000.8115401 tsp | 240000.8115 |
| 10000 cup | 480001.6230802 tsp | 480001.6231 |
US customary cup → US teaspoon
The reverse value is 1 cup = 48.00016230802 tsp.