US cup to US teaspoon Converter
1 cup = 48 tsp — convert instantly with formula and table.
Use the converter above for an immediate result — it recalculates on every keystroke and works offline once the page has loaded.
Quick answer: one us cup equals 48 US teaspoons. So to convert US cups to US teaspoons, multiply by 48.
How to convert US cups to US teaspoons
US teaspoons = US cups × 48
The US cup is half a US pint — 236.59 ml. American recipes measure almost everything in cups, which is why cup conversions are among the most searched on the web.
The US teaspoon is defined as exactly 4.92892159375 ml — one third of a tablespoon — and anchors small quantities in American recipes.
US cup to US teaspoon conversion table
| US cup (cup) | US teaspoon (tsp) |
|---|---|
| 0.01 cup | 0.48 tsp |
| 0.1 cup | 4.8 tsp |
| 0.25 cup | 12 tsp |
| 0.4 cup | 19.2 tsp |
| 0.75 cup | 36 tsp |
| 1.25 cup | 60 tsp |
| 1.75 cup | 84 tsp |
| 2.5 cup | 120 tsp |
| 3.5 cup | 168 tsp |
| 4.5 cup | 216 tsp |
| 6 cup | 288 tsp |
| 8 cup | 384 tsp |
| 10 cup | 480 tsp |
| 12 cup | 576 tsp |
| 14 cup | 672 tsp |
| 16 cup | 768 tsp |
| 18 cup | 864 tsp |
| 20 cup | 960 tsp |
| 24 cup | 1,152 tsp |
| 26 cup | 1,248 tsp |
| 30 cup | 1,440 tsp |
| 35 cup | 1,680 tsp |
| 45 cup | 2,160 tsp |
| 55 cup | 2,640 tsp |
| 65 cup | 3,120 tsp |
| 75 cup | 3,600 tsp |
| 85 cup | 4,080 tsp |
| 95 cup | 4,560 tsp |
| 110 cup | 5,280 tsp |
| 125 cup | 6,000 tsp |
| 175 cup | 8,400 tsp |
| 250 cup | 12,000 tsp |
| 350 cup | 16,800 tsp |
| 450 cup | 21,600 tsp |
| 600 cup | 28,800 tsp |
| 750 cup | 36,000 tsp |
| 900 cup | 43,200 tsp |
| 1,500 cup | 72,000 tsp |
| 2,500 cup | 120,000 tsp |
| 10,000 cup | 480,000 tsp |
Need the opposite direction? Use the US teaspoon to US cup converter, or read our complete guide to volume conversions for every formula in one place.
Frequently asked questions
How many US teaspoons are in one us cup?
One us cup equals 48 US teaspoons. Multiply any us cup value by 48 to get US teaspoons.
What is 10 US cups in US teaspoons?
10 US cups equal 480 US teaspoons (10 × 48).
Is the us cup to us teaspoon conversion exact?
The conversion factor used here (48) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.