## 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 42.9 cups into tablespoons we have to multiply 42.9 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

42.9 cup → V(tbsp)

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

V(tbsp) = 42.9 cup × 15.999999999946 tbsp

V(tbsp) = 686.39999999768 tbsp

The final result is:

42.9 cup → 686.39999999768 tbsp

We conclude that 42.9 cups is equivalent to 686.39999999768 tablespoons:

42.9 cups = 686.39999999768 tablespoons

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 tablespoon is equal to 0.0014568764568814 × 42.9 cups.

Another way is saying that 42.9 cups is equal to 1 ÷ 0.0014568764568814 tablespoons.

## Approximate result

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

42.9 cup ≅ 686.4 tbsp

An alternative is also that one tablespoon is approximately zero point zero zero one times forty-two point nine 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

cups (cup) tablespoons (tbsp)
43.9 cups 702.4 tablespoons
44.9 cups 718.4 tablespoons
45.9 cups 734.4 tablespoons
46.9 cups 750.4 tablespoons
47.9 cups 766.4 tablespoons
48.9 cups 782.4 tablespoons
49.9 cups 798.4 tablespoons
50.9 cups 814.4 tablespoons
51.9 cups 830.4 tablespoons
52.9 cups 846.4 tablespoons