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 421.3 teaspoons into cups we have to multiply 421.3 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

421.3 tsp → V_(cup)

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

V_(cup) = 421.3 tsp × 0.020833333333319 cup

V_(cup) = 8.7770833333274 cup

The final result is:

421.3 tsp → 8.7770833333274 cup

We conclude that 421.3 teaspoons is equivalent to 8.7770833333274 cups:

421.3 teaspoons = 8.7770833333274 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.11393306432479 × 421.3 teaspoons.

Another way is saying that 421.3 teaspoons is equal to 1 ÷ 0.11393306432479 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty-one point three teaspoons is approximately eight point seven seven seven cups:

421.3 tsp ≅ 8.777 cup

An alternative is also that one cup is approximately zero point one one four times four hundred twenty-one point three 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