Conversion formula

The conversion factor from teaspoons to cups is 0.020833333333319, which means that 1 teaspoon is equal to 0.020833333333319 cups:

1 tsp = 0.020833333333319 cup

To convert 18.6 teaspoons into cups we have to multiply 18.6 by the conversion factor in order to get the volume amount from teaspoons to cups. We can also form a simple proportion to calculate the result:

1 tsp → 0.020833333333319 cup

18.6 tsp → V_(cup)

Solve the above proportion to obtain the volume V in cups:

V_(cup) = 18.6 tsp × 0.020833333333319 cup

V_(cup) = 0.38749999999974 cup

The final result is:

18.6 tsp → 0.38749999999974 cup

We conclude that 18.6 teaspoons is equivalent to 0.38749999999974 cups:

18.6 teaspoons = 0.38749999999974 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 2.5806451612921 × 18.6 teaspoons.

Another way is saying that 18.6 teaspoons is equal to 1 ÷ 2.5806451612921 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eighteen point six teaspoons is approximately zero point three eight seven cups:

18.6 tsp ≅ 0.387 cup

An alternative is also that one cup is approximately two point five eight one times eighteen point six teaspoons.

Conversion table

teaspoons to cups chart

For quick reference purposes, below is the conversion table you can use to convert from teaspoons to cups