Cups to Teaspoons Converter (cup to tsp) + Formula
One US cup equals 48 teaspoons — multiply cups by 48 to convert to teaspoons. To reverse it, divide teaspoons by 48. There are 3 teaspoons in a tablespoon and 16 tablespoons in a cup, which gives 48.
The formula
Multiply your cup value by 48 to get teaspoons.
tsp = cup × 48
Example: 0.25 cups × 48 = 12 tspBecause a tablespoon is 3 teaspoons and a cup is 16 tablespoons, a cup contains exactly 48 teaspoons.
Conversion table
| Cups | Teaspoons (tsp) |
|---|---|
| 1 | 48 |
| 2 | 96 |
| 3 | 144 |
| 4 | 192 |
| 5 | 240 |
| 8 | 384 |
| 10 | 480 |
| 16 | 768 |
| 20 | 960 |
| 100 | 4800 |
How to convert online
- Type the number of cups into the first box.
- Read the equivalent in teaspoons instantly in the second box.
- Enter a teaspoon value instead to convert back to cups.
Use the Cup to Teaspoon Converter — free and instant in your browser.
Where this conversion is used
Cups-to-teaspoons is handy when a recipe lists small quantities of spices, extracts, leavening or salt in teaspoons but you are scaling from a cup-based base, or when you only have a teaspoon on hand for measuring.
FAQ
How many teaspoons are in a cup?
There are exactly 48 teaspoons in one US cup. A half cup is 24 tsp and a quarter cup is 12 tsp.
What is 2 cups in teaspoons?
2 cups × 48 = 96 teaspoons.
Is the conversion exact?
Yes — with 3 tsp per tablespoon and 16 tablespoons per cup, 48 is an exact factor.
How do I convert teaspoons back to cups?
Divide teaspoons by 48, or use our Teaspoon to Cup converter for the reverse direction.
Related converters
- Teaspoon to Cup Converter
- Cup to Tablespoon Converter
- Cup to Milliliter Converter
- Cup to Liter Converter
Built by ByteVancer
ByteTools is a free product of ByteVancer, a software and web development studio. Every converter runs entirely in your browser — private and offline-capable. Need a custom tool or web app? ByteVancer can help.
Recommended reading
Teaspoon to Cup Converter (tsp to cup) + Formula
1 teaspoon equals 0.02083333 cup, and there are 48 teaspoons in a US cup. Convert tsp to cups with the exact factor, formula, and table.
Teaspoon to Tablespoon Converter (tsp to tbsp)
1 teaspoon equals 0.33333333 tablespoon, and there are 3 teaspoons in a tablespoon. Convert tsp to tbsp with the exact factor and table.
Teaspoon to Pint Converter (tsp to pt) + Formula
1 teaspoon equals 0.01041667 pint, and there are 96 teaspoons in a US pint. Convert tsp to pints with the exact factor and table.
Teaspoon to Milliliter Converter (tsp to mL)
1 teaspoon equals 4.928922 milliliters. Convert teaspoons to mL with the exact US factor, a formula, and a handy reference table.