Conversion formula

The conversion factor from tablespoons to cups is 0.062500000000211, which means that 1 tablespoon is equal to 0.062500000000211 cups:

1 tbsp = 0.062500000000211 cup

To convert 390 tablespoons into cups we have to multiply 390 by the conversion factor in order to get the volume amount from tablespoons to cups. We can also form a simple proportion to calculate the result:

1 tbsp → 0.062500000000211 cup

390 tbsp → V_(cup)

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

V_(cup) = 390 tbsp × 0.062500000000211 cup

V_(cup) = 24.375000000082 cup

The final result is:

390 tbsp → 24.375000000082 cup

We conclude that 390 tablespoons is equivalent to 24.375000000082 cups:

390 tablespoons = 24.375000000082 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.041025641025502 × 390 tablespoons.

Another way is saying that 390 tablespoons is equal to 1 ÷ 0.041025641025502 cups.

Approximate result

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

390 tbsp ≅ 24.375 cup

An alternative is also that one cup is approximately zero point zero four one times three hundred ninety tablespoons.

Conversion table

tablespoons to cups chart

For quick reference purposes, below is the conversion table you can use to convert from tablespoons to cups