Conversion formula

The conversion factor from cups to tablespoons is 15.999999999946, which means that 1 cup is equal to 15.999999999946 tablespoons:

1 cup = 15.999999999946 tbsp

To convert 40 cups into tablespoons we have to multiply 40 by the conversion factor in order to get the volume amount from cups to tablespoons. We can also form a simple proportion to calculate the result:

1 cup → 15.999999999946 tbsp

40 cup → V_(tbsp)

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

V_(tbsp) = 40 cup × 15.999999999946 tbsp

V_(tbsp) = 639.99999999784 tbsp

The final result is:

40 cup → 639.99999999784 tbsp

We conclude that 40 cups is equivalent to 639.99999999784 tablespoons:

40 cups = 639.99999999784 tablespoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 tablespoon is equal to 0.0015625000000053 × 40 cups.

Another way is saying that 40 cups is equal to 1 ÷ 0.0015625000000053 tablespoons.

Approximate result

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

40 cup ≅ 640 tbsp

An alternative is also that one tablespoon is approximately zero point zero zero two times forty cups.

Conversion table

cups to tablespoons chart

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