A US customary cup equals 236.5882365 milliliters, widely used in American recipes.
Cup to Teaspoon
Convert Cup to Teaspoon instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
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Convert cooking volume and mass units used in recipes and nutrition workflows.
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Some unit families need one extra value for a physically accurate result.
A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
tsp = cup × 48
Results update instantly for Cup to Teaspoon conversions.
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Formula
tsp = cup × 48
cup = tsp × 0.02083333333
Conversion table
| 1 cup | 48 tsp |
| 5 cup | 240 tsp |
| 10 cup | 480 tsp |
| 20 cup | 960 tsp |
| 50 cup | 2400 tsp |
| 100 cup | 4800 tsp |
| 500 cup | 24000 tsp |
| 1000 cup | 48000 tsp |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the cup (cup). A US customary cup equals 236.5882365 milliliters, widely used in American recipes.
What is the destination unit in this conversion?
The destination unit is the teaspoon (tsp). A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
How do I convert cup to teaspoon?
Multiply the cup value by 48. For example, 10 cup × 48 = 480 tsp.
Is the cup to teaspoon conversion exact?
Yes. This conversion uses a fixed factor defined for cooking measurement standards, so results are consistent every time.
Where is this conversion commonly used?
It's used when following recipes, adjusting ingredient quantities, or converting between US customary and metric cooking measurements.
Can I convert teaspoon back to cup?
Yes. Multiply the teaspoon value by 0.02083333333 to get cup.
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About this conversion
This page converts cup (cup) to teaspoon (tsp) within the cooking converter.
A US customary cup equals 236.5882365 milliliters, widely used in American recipes. A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
The formula is tsp = cup × 48, based on each unit's fixed relationship to the cooking converter's reference units.
Results are consistent because the conversion relies on a fixed numerical ratio rather than an estimate.
Use the calculator above for instant results, or the table below for common cup values already converted to teaspoon.