US cups to teaspoons
teaspoons = US cups × 48
Reverse: teaspoons to US cups
How to convert US cups to teaspoons
One US cup is 48 teaspoons, so multiply the number of US cups by 48. For example, 20 US cups is 20 × 48 = 960 teaspoons. To go back, divide by the same number, or multiply by 0.02083333.
Quick estimate
Multiplying by about 50 gets within 4.2% of the exact answer, which is enough to check that a result makes sense.
Where it comes up
Volume conversions come up in recipes, fuel economy, drink and bottle sizes, garden and pool water, and engine sizes.
| US cups | teaspoons |
|---|---|
| 1 cup | 48 tsp |
| 2 cup | 96 tsp |
| 3 cup | 144 tsp |
| 4 cup | 192 tsp |
| 5 cup | 240 tsp |
| 6 cup | 288 tsp |
| 7 cup | 336 tsp |
| 8 cup | 384 tsp |
| 9 cup | 432 tsp |
| 10 cup | 480 tsp |
| 11 cup | 528 tsp |
| 12 cup | 576 tsp |
| 13 cup | 624 tsp |
| 14 cup | 672 tsp |
| 15 cup | 720 tsp |
| 16 cup | 768 tsp |
| 17 cup | 816 tsp |
| 18 cup | 864 tsp |
| 19 cup | 912 tsp |
| 20 cup | 960 tsp |
| 25 cup | 1,200 tsp |
| 30 cup | 1,440 tsp |
| 40 cup | 1,920 tsp |
| 50 cup | 2,400 tsp |
| 60 cup | 2,880 tsp |
| 70 cup | 3,360 tsp |
| 75 cup | 3,600 tsp |
| 80 cup | 3,840 tsp |
| 90 cup | 4,320 tsp |
| 100 cup | 4,800 tsp |
| 120 cup | 5,760 tsp |
| 150 cup | 7,200 tsp |
| 200 cup | 9,600 tsp |
| 250 cup | 12,000 tsp |
| 300 cup | 14,400 tsp |
| 400 cup | 19,200 tsp |
| 500 cup | 24,000 tsp |
| 750 cup | 36,000 tsp |
| 1,000 cup | 48,000 tsp |
| 1,500 cup | 72,000 tsp |
| 2,000 cup | 96,000 tsp |
| 5,000 cup | 240,000 tsp |
| 10,000 cup | 480,000 tsp |
Questions
How many teaspoons are in a US cup?
48 teaspoons.
How do I convert US cups to teaspoons in a spreadsheet?
Put the value in A1 and type =A1*48, then fill the formula down the column.
Are the values in the table exact?
They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.