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US Cups to US Teaspoons (cup to tsp) Converter

1 US cup (cup) = 48 US teaspoons (tsp). To convert US cups to US teaspoons, multiply by 48: 2 cup × 48 = 96 tsp.

1 cup = 47.9999999391 tsp
Convert the other way: US Teaspoons to US Cups

Quick facts

How to convert US cups to US teaspoons

  1. Take the value in US cups.
  2. Multiply it by 48 (the number of US teaspoons in one US cup).
  3. Round the result to the precision you need.
tsp = cup × 48

Worked example (a recipe): 2 cup × 48 = 96 tsp.

To convert US teaspoons back to US cups, multiply by 0.0208333, or divide by 48.

Source: NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units).

US Cups to US Teaspoons conversion table

US Cups to US Teaspoons conversion table
US Cups [cup]US Teaspoons [tsp]
0.01 cup0.4799999994 tsp
0.1 cup4.7999999939 tsp
1 cup47.9999999391 tsp
2 cup95.9999998783 tsp
3 cup143.9999998174 tsp
5 cup239.9999996957 tsp
10 cup479.9999993913 tsp
20 cup959.9999987827 tsp
50 cup2399.9999969567 tsp
100 cup4799.9999939135 tsp
1000 cup47999.9999391348 tsp

cup to tsp chart from 1 to 100

US Teaspoons to US Cups conversion table

US Teaspoons to US Cups conversion table
US Teaspoons [tsp]US Cups [cup]
0.01 tsp0.0002083333 cup
0.1 tsp0.0020833333 cup
1 tsp0.0208333334 cup
2 tsp0.0416666667 cup
3 tsp0.0625000001 cup
5 tsp0.1041666668 cup
10 tsp0.2083333336 cup
20 tsp0.4166666672 cup
50 tsp1.041666668 cup
100 tsp2.083333336 cup
1000 tsp20.8333333598 cup

US Cups vs US Teaspoons

US CupUS Teaspoon
Symbolcuptsp
Equals1 cup = 48 tsp1 tsp = 0.0208333 cup

What is a US cup?

A US customary cooking measure equal to 8 fluid ounces. The standard recipe measure for liquids and dry ingredients in the US.

What is a US teaspoon?

A US customary cooking measure equal to 1/3 tablespoon. Used in US recipes for small quantities of ingredients.

Frequently asked questions

How many US teaspoons are in a US cup?

There are 48 US teaspoons in 1 US cup (1 cup = 47.9999999391 tsp).

How many US cups are in a US teaspoon?

There are 0.0208333 US cups in 1 US teaspoon (1 tsp = 0.0208333334 cup).

How do I convert US cups to US teaspoons?

Multiply the number of US cups by 48. For example, 10 cup × 48 = 480 tsp. To convert back, multiply by 0.0208333.

What is 10 cup in US teaspoons?

10 cup = 480 tsp.

What is 100 cup in US teaspoons?

100 cup = 4,800 tsp.

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units)). Results are shown to up to 10 decimal places; round them to suit your purpose.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026