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 15 cups into teaspoons we have to multiply 15 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

15 cup → V_(tsp)

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

V_(tsp) = 15 cup × 48.000000000032 tsp

V_(tsp) = 720.00000000049 tsp

The final result is:

15 cup → 720.00000000049 tsp

We conclude that 15 cups is equivalent to 720.00000000049 teaspoons:

15 cups = 720.00000000049 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.0013888888888879 × 15 cups.

Another way is saying that 15 cups is equal to 1 ÷ 0.0013888888888879 teaspoons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that fifteen cups is approximately seven hundred twenty teaspoons:

15 cup ≅ 720 tsp

An alternative is also that one teaspoon is approximately zero point zero zero one times fifteen 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