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 1380 teaspoons into cups we have to multiply 1380 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

1380 tsp → V_(cup)

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

V_(cup) = 1380 tsp × 0.020833333333319 cup

V_(cup) = 28.749999999981 cup

The final result is:

1380 tsp → 28.749999999981 cup

We conclude that 1380 teaspoons is equivalent to 28.749999999981 cups:

1380 teaspoons = 28.749999999981 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.034782608695676 × 1380 teaspoons.

Another way is saying that 1380 teaspoons is equal to 1 ÷ 0.034782608695676 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 teaspoons is approximately twenty-eight point seven five cups:

1380 tsp ≅ 28.75 cup

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