Convert cups to teaspoons (c to tsp) instantly. Complete conversion chart for 1/4 cup, 1/3 cup, 1/2 cup, and full cup measurements.
teaspoons = cups × 48Instant conversions for standard culinary and measurement values.
| Cups (cup) | Teaspoons (tsp) | Notes / Equivalents |
|---|---|---|
| 0.0625 cup | 3 tsp | 1/16 cup (= 1 tbsp) |
| 0.125 cup | 6 tsp | 1/8 cup (= 2 tbsp / 1 fl oz) |
| 0.25 cup | 12 tsp | 1/4 cup (= 4 tbsp / 2 fl oz) |
| 0.333 cup | 16 tsp | 1/3 cup (= 5 tbsp + 1 tsp) |
| 0.5 cup | 24 tsp | 1/2 cup (= 8 tbsp / 4 fl oz) |
| 0.667 cup | 32 tsp | 2/3 cup (= 10 tbsp + 2 tsp) |
| 0.75 cup | 36 tsp | 3/4 cup (= 12 tbsp / 6 fl oz) |
| 1 cup | 48 tsp | 1 full cup (= 16 tbsp / 8 fl oz) |
| 2 cup | 96 tsp | 2 cups (= 1 pint / 16 fl oz) |
Conversion between cups and teaspoons is governed by precise mathematical and physical standards.
Because both units belong to the same dimensional category (volume), this conversion uses a fixed mathematical ratio that never changes regardless of ingredient temperature or density.
Direct (cup to tsp):
teaspoons = cups × 48Reverse (tsp to cup):
cups = teaspoons ÷ 48One standard US customary measuring cup equals exactly 48 US teaspoons (16 tablespoons × 3 tsp).
1 US cup contains 8 fluid ounces. Since each fluid ounce is 6 teaspoons, 8 × 6 = 48 teaspoons.
In Commonwealth nations, a metric cup is 250 mL, which equals exactly 50 metric teaspoons (50 × 5 mL).
1/4 cup is 12 teaspoons, 1/3 cup is 16 teaspoons, and 1/2 cup is 24 teaspoons.
There are exactly 48 US teaspoons in 1 standard US measuring cup (or 50 metric teaspoons in a 250 mL metric cup).
There are 24 teaspoons in 1/2 cup (which also equals 8 tablespoons or 4 fluid ounces).
There are 12 teaspoons in 1/4 cup (which also equals 4 tablespoons or 2 fluid ounces).
There are 16 teaspoons in 1/3 cup (which equals 5 tablespoons plus 1 teaspoon).
There are 36 teaspoons in 3/4 cup (which equals 12 tablespoons or 6 fluid ounces).