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 138.5 cups into teaspoons we have to multiply 138.5 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

138.5 cup → V_(tsp)

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

V_(tsp) = 138.5 cup × 48.000000000032 tsp

V_(tsp) = 6648.0000000045 tsp

The final result is:

138.5 cup → 6648.0000000045 tsp

We conclude that 138.5 cups is equivalent to 6648.0000000045 teaspoons:

138.5 cups = 6648.0000000045 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.00015042117930194 × 138.5 cups.

Another way is saying that 138.5 cups is equal to 1 ÷ 0.00015042117930194 teaspoons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred thirty-eight point five cups is approximately six thousand six hundred forty-eight teaspoons:

138.5 cup ≅ 6648 tsp

An alternative is also that one teaspoon is approximately zero times one hundred thirty-eight point five 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