Convert Cups (US) to Teaspoons (US)
One cup (US) equals 48 teaspoons (us). Type any value to convert cups (us) to teaspoons (us) instantly — with a full reference table below.
Convert Cups (US) to Teaspoons (US)
Converted in your browser — nothing you enter is sent anywhere.
How to convert Cups (US) to Teaspoons (US)
To convert cups (us) to teaspoons (us), multiply by 48. One cup (US) equals 48 tsp, and one teaspoon (US) equals 0.0208333 cup.
- Take the value in cups (us) — for example 7.5 cup.
- Multiply by 48 (the number of teaspoons (us) in one cup (US)).
- 7.5 × 48 = 360 tsp.
Quick mental estimate: Multiply the number of cups (us) by 48 — that is exact.
Cups (US) to Teaspoons (US) conversion table
| Cups (US) | Teaspoons (US) |
|---|---|
| 1 cup | 48 tsp |
| 2 cup | 96 tsp |
| 3 cup | 144 tsp |
| 4 cup | 192 tsp |
| 5 cup | 240 tsp |
| 6 cup | 288 tsp |
| 8 cup | 384 tsp |
| 10 cup | 480 tsp |
| 12 cup | 576 tsp |
| 16 cup | 768 tsp |
| 20 cup | 960 tsp |
| 24 cup | 1,152 tsp |
| 32 cup | 1,536 tsp |
| 50 cup | 2,400 tsp |
| 100 cup | 4,800 tsp |
| Teaspoons (US) | Cups (US) |
|---|---|
| 1 tsp | 0.0208333 cup |
| 2 tsp | 0.0416667 cup |
| 3 tsp | 0.0625 cup |
| 4 tsp | 0.0833333 cup |
| 5 tsp | 0.104167 cup |
| 6 tsp | 0.125 cup |
| 8 tsp | 0.166667 cup |
| 10 tsp | 0.208333 cup |
| 12 tsp | 0.25 cup |
| 16 tsp | 0.333333 cup |
| 20 tsp | 0.416667 cup |
| 24 tsp | 0.5 cup |
| 32 tsp | 0.666667 cup |
| 50 tsp | 1.041667 cup |
| 100 tsp | 2.083333 cup |
About converting Cups (US) to Teaspoons (US)
Cups (US) (cup) and Teaspoons (US) (tsp) are both units of volume. The exact factor is 1 cup = 48 tsp, so multiply by 48 to go from cups (us) to teaspoons (us) (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Teaspoons (US) to Cups (US) converter, or the full unit converter for every unit at once.
Real-world volume in cups (us) and teaspoons (us)
| Example | Cups (US) | Teaspoons (US) |
|---|---|---|
| A medicine teaspoon dose | 0.0211338 cup | 1.014421 tsp |
| A US soda can (12 fl oz) | 1.5 cup | 72 tsp |
| A wine bottle | 3.170065 cup | 152.1631 tsp |
| A US gallon of milk | 16 cup | 768 tsp |
| A typical car fuel tank | ≈ 211.3376 cup | ≈ 10,144.21 tsp |
| A typical bathtub | ≈ 634.0129 cup | ≈ 30,432.62 tsp |
“≈” marks typical values; the rest are defined or measured figures.
The units
The US customary cup: 1/16 US gallon, 236.5882365 mL. US nutrition labels use 240 mL; metric cups are 250 mL.
Used for: US recipes.
A third of a tablespoon, 4.92892159375 mL — medicine spoons round this to 5 mL.
Used for: Recipes and medicine doses.
US customary volumes are exact by definition: the US gallon is 231 cubic inches, which is exactly 3.785411784 litres.