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 31.8 teaspoons into cups we have to multiply 31.8 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

31.8 tsp → V_(cup)

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

V_(cup) = 31.8 tsp × 0.020833333333319 cup

V_(cup) = 0.66249999999955 cup

The final result is:

31.8 tsp → 0.66249999999955 cup

We conclude that 31.8 teaspoons is equivalent to 0.66249999999955 cups:

31.8 teaspoons = 0.66249999999955 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 1.5094339622652 × 31.8 teaspoons.

Another way is saying that 31.8 teaspoons is equal to 1 ÷ 1.5094339622652 cups.

Approximate result

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

31.8 tsp ≅ 0.662 cup

An alternative is also that one cup is approximately one point five zero nine times thirty-one point eight 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