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 420 cups into teaspoons we have to multiply 420 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

420 cup → V_(tsp)

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

V_(tsp) = 420 cup × 48.000000000032 tsp

V_(tsp) = 20160.000000014 tsp

The final result is:

420 cup → 20160.000000014 tsp

We conclude that 420 cups is equivalent to 20160.000000014 teaspoons:

420 cups = 20160.000000014 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 4.9603174603141E-5 × 420 cups.

Another way is saying that 420 cups is equal to 1 ÷ 4.9603174603141E-5 teaspoons.

Approximate result

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

420 cup ≅ 20160 tsp

An alternative is also that one teaspoon is approximately zero times four hundred twenty 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