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 1389 teaspoons into cups we have to multiply 1389 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

1389 tsp → V_(cup)

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

V_(cup) = 1389 tsp × 0.020833333333319 cup

V_(cup) = 28.93749999998 cup

The final result is:

1389 tsp → 28.93749999998 cup

We conclude that 1389 teaspoons is equivalent to 28.93749999998 cups:

1389 teaspoons = 28.93749999998 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.03455723542119 × 1389 teaspoons.

Another way is saying that 1389 teaspoons is equal to 1 ÷ 0.03455723542119 cups.

Approximate result

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

1389 tsp ≅ 28.937 cup

An alternative is also that one cup is approximately zero point zero three five times one thousand three hundred eighty-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