Conversion formula

The conversion factor from cups to teaspoons is 48.000000000032, which means that 1 cup is equal to 48.000000000032 teaspoons:

1 cup = 48.000000000032 tsp

To convert 1689 cups into teaspoons we have to multiply 1689 by the conversion factor in order to get the volume amount from cups to teaspoons. We can also form a simple proportion to calculate the result:

1 cup → 48.000000000032 tsp

1689 cup → V_(tsp)

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

V_(tsp) = 1689 cup × 48.000000000032 tsp

V_(tsp) = 81072.000000055 tsp

The final result is:

1689 cup → 81072.000000055 tsp

We conclude that 1689 cups is equivalent to 81072.000000055 teaspoons:

1689 cups = 81072.000000055 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 1.2334714821385E-5 × 1689 cups.

Another way is saying that 1689 cups is equal to 1 ÷ 1.2334714821385E-5 teaspoons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand six hundred eighty-nine cups is approximately eighty-one thousand seventy-two teaspoons:

1689 cup ≅ 81072 tsp

An alternative is also that one teaspoon is approximately zero times one thousand six hundred eighty-nine cups.

Conversion table

cups to teaspoons chart

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