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 40 tablespoons into cups we have to multiply 40 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

40 tbsp → V_(cup)

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

V_(cup) = 40 tbsp × 0.062500000000211 cup

V_(cup) = 2.5000000000085 cup

The final result is:

40 tbsp → 2.5000000000085 cup

We conclude that 40 tablespoons is equivalent to 2.5000000000085 cups:

40 tablespoons = 2.5000000000085 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.39999999999865 × 40 tablespoons.

Another way is saying that 40 tablespoons is equal to 1 ÷ 0.39999999999865 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty tablespoons is approximately two point five cups:

40 tbsp ≅ 2.5 cup

An alternative is also that one cup is approximately zero point four times forty 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