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cup (cup) → teaspoon (tsp)

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Use our free online converter to convert between units instantly. Enter any value in the field above to get accurate results. No signup or download required—all conversions run in your browser. Our calculator uses standard conversion factors for reliability.

0
cup=tsp
0.01=0.48
0.1=4.799997
1=47.999968
2=95.999935
3=143.999903
5=239.999838
10=479.999675
20=959.999351
50=2,399.9984
100=4,799.9968
1000=47,999.9675

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Brief explanation: cup to teaspoon

Liter is the base volume unit in the metric system. US gallon = 3.78 L. Cup = 236 ml. Tablespoon = 15 ml, teaspoon = 5 ml. Volume measures how much space a substance occupies. The metric system (L, mL) is used worldwide. US customary units (gal, cup, tbsp, tsp) are common in American recipes. When converting, use the exact factors for accuracy—especially in cooking and chemistry.

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Common conversion examples: cup to teaspoon

Reference values for quick comparison. Use the converter above for any amount.

  • 1 cup=48 teaspoon
  • 5 cup=239.9998 teaspoon
  • 10 cup=479.9997 teaspoon

About the Units

cup (cup)

Definition: A cup is a unit of volume used in cooking. In the US, one cup equals 236.588 mL (approximately 8 fluid ounces). Metric cups are 250 mL. Recipes commonly specify ingredients in cups.
History: The cup as a cooking measure became standard in American recipes. It provided a convenient middle ground between tablespoons and quarts. Different countries define cups slightly differently.
Current use: Cups are used in US and some Commonwealth recipes. Baking and cooking measurements often use cups. Many countries use grams or milliliters for recipe precision.

teaspoon (tsp)

Definition: A teaspoon (tsp) is a unit of volume. In the US, one teaspoon equals approximately 4.929 mL or 1/3 tablespoon. It is the smallest common cooking measure.
History: The teaspoon derived from the size of spoons used for tea. It became a standard cooking measure. US and metric teaspoons are very close (5 mL in metric).
Current use: Teaspoons are used for spices, extracts, and small recipe amounts. Medication dosing often uses teaspoons (5 mL). It is the base for larger cooking measures.

Sources

Conversion factors and unit definitions follow international standards. For authoritative references, see: