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 990 teaspoons into cups we have to multiply 990 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

990 tsp → V_(cup)

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

V_(cup) = 990 tsp × 0.020833333333319 cup

V_(cup) = 20.624999999986 cup

The final result is:

990 tsp → 20.624999999986 cup

We conclude that 990 teaspoons is equivalent to 20.624999999986 cups:

990 teaspoons = 20.624999999986 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.048484848484881 × 990 teaspoons.

Another way is saying that 990 teaspoons is equal to 1 ÷ 0.048484848484881 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that nine hundred ninety teaspoons is approximately twenty point six two five cups:

990 tsp ≅ 20.625 cup

An alternative is also that one cup is approximately zero point zero four eight times nine hundred ninety 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