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 308.9 teaspoons into cups we have to multiply 308.9 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

308.9 tsp → V_(cup)

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

V_(cup) = 308.9 tsp × 0.020833333333319 cup

V_(cup) = 6.4354166666623 cup

The final result is:

308.9 tsp → 6.4354166666623 cup

We conclude that 308.9 teaspoons is equivalent to 6.4354166666623 cups:

308.9 teaspoons = 6.4354166666623 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.15539009388162 × 308.9 teaspoons.

Another way is saying that 308.9 teaspoons is equal to 1 ÷ 0.15539009388162 cups.

Approximate result

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

308.9 tsp ≅ 6.435 cup

An alternative is also that one cup is approximately zero point one five five times three hundred eight point nine 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