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 21.3 tablespoons into cups we have to multiply 21.3 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

21.3 tbsp → V_(cup)

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

V_(cup) = 21.3 tbsp × 0.062500000000211 cup

V_(cup) = 1.3312500000045 cup

The final result is:

21.3 tbsp → 1.3312500000045 cup

We conclude that 21.3 tablespoons is equivalent to 1.3312500000045 cups:

21.3 tablespoons = 1.3312500000045 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.75117370891765 × 21.3 tablespoons.

Another way is saying that 21.3 tablespoons is equal to 1 ÷ 0.75117370891765 cups.

Approximate result

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

21.3 tbsp ≅ 1.331 cup

An alternative is also that one cup is approximately zero point seven five one times twenty-one point three 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