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Convert Teaspoons (US) to Cups (US)

One teaspoon (US) equals 0.0208333 cups (us). Type any value to convert teaspoons (us) to cups (us) instantly — with a full reference table below.

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Convert Teaspoons (US) to Cups (US)

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Formula

How to convert Teaspoons (US) to Cups (US)

To convert teaspoons (us) to cups (us), multiply by 0.0208333. One teaspoon (US) equals 0.0208333 cup, and one cup (US) equals 48 tsp.

  1. Take the value in teaspoons (us) — for example 7.5 tsp.
  2. Multiply by 0.0208333 (the number of cups (us) in one teaspoon (US)).
  3. 7.5 × 0.0208333 = 0.15625 cup.

Quick mental estimate: Divide the number of teaspoons (us) by 48 — that is exact.

Teaspoons (US) to Cups (US) conversion table

Teaspoons (US)Cups (US)
1 tsp0.0208333 cup
2 tsp0.0416667 cup
3 tsp0.0625 cup
4 tsp0.0833333 cup
5 tsp0.104167 cup
6 tsp0.125 cup
8 tsp0.166667 cup
10 tsp0.208333 cup
12 tsp0.25 cup
16 tsp0.333333 cup
20 tsp0.416667 cup
24 tsp0.5 cup
32 tsp0.666667 cup
50 tsp1.041667 cup
100 tsp2.083333 cup
Cups (US)Teaspoons (US)
1 cup48 tsp
2 cup96 tsp
3 cup144 tsp
4 cup192 tsp
5 cup240 tsp
6 cup288 tsp
8 cup384 tsp
10 cup480 tsp
12 cup576 tsp
16 cup768 tsp
20 cup960 tsp
24 cup1,152 tsp
32 cup1,536 tsp
50 cup2,400 tsp
100 cup4,800 tsp

About converting Teaspoons (US) to Cups (US)

Teaspoons (US) (tsp) and Cups (US) (cup) are both units of volume. The exact factor is 1 tsp = 0.0208333 cup, so multiply by 0.0208333 to go from teaspoons (us) to cups (us) (or divide to go back).

The conversion runs entirely in your browser. Need the reverse? Use the Cups (US) to Teaspoons (US) converter, or the full unit converter for every unit at once.

Real-world volume in teaspoons (us) and cups (us)

ExampleTeaspoons (US)Cups (US)
A medicine teaspoon dose1.014421 tsp0.0211338 cup
A US soda can (12 fl oz)72 tsp1.5 cup
A wine bottle152.1631 tsp3.170065 cup
A US gallon of milk768 tsp16 cup
A typical car fuel tank≈ 10,144.21 tsp≈ 211.3376 cup
A typical bathtub≈ 30,432.62 tsp≈ 634.0129 cup

“≈” marks typical values; the rest are defined or measured figures.

The units

Teaspoons (US) (tsp)

A third of a tablespoon, 4.92892159375 mL — medicine spoons round this to 5 mL.

Used for: Recipes and medicine doses.

Cups (US) (cup)

The US customary cup: 1/16 US gallon, 236.5882365 mL. US nutrition labels use 240 mL; metric cups are 250 mL.

Used for: US recipes.

US customary volumes are exact by definition: the US gallon is 231 cubic inches, which is exactly 3.785411784 litres.

Frequently asked questions

5 answers
How many cups (us) are in one teaspoon (US)?
One teaspoon (US) equals 0.0208333 cups (us).
How do I convert teaspoons (us) to cups (us)?
Multiply the number of teaspoons (us) by 0.0208333. For example, 10 teaspoons (us) = 0.208333 cups (us).
What is 5 teaspoons (us) in cups (us)?
5 teaspoons (us) is 0.104167 cups (us).
Is a teaspoon (US) bigger than a cup (US)?
No. One teaspoon (US) is 0.0208333 of a cup (US) — it takes 48 teaspoons (us) to make one cup (US).
How many cups (us) is a US gallon of milk?
A US gallon of milk is 16 cups (us) (768 teaspoons (us)).