Conversion formula

The conversion factor from tablespoons to cubic feet is 0.00052218967014044, which means that 1 tablespoon is equal to 0.00052218967014044 cubic feet:

1 tbsp = 0.00052218967014044 ft3

To convert 21 tablespoons into cubic feet we have to multiply 21 by the conversion factor in order to get the volume amount from tablespoons to cubic feet. We can also form a simple proportion to calculate the result:

1 tbsp → 0.00052218967014044 ft3

21 tbsp → V_(ft3)

Solve the above proportion to obtain the volume V in cubic feet:

V_(ft3) = 21 tbsp × 0.00052218967014044 ft3

V_(ft3) = 0.010965983072949 ft3

The final result is:

21 tbsp → 0.010965983072949 ft3

We conclude that 21 tablespoons is equivalent to 0.010965983072949 cubic feet:

21 tablespoons = 0.010965983072949 cubic feet

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cubic foot is equal to 91.191094619395 × 21 tablespoons.

Another way is saying that 21 tablespoons is equal to 1 ÷ 91.191094619395 cubic feet.

Approximate result

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

21 tbsp ≅ 0.011 ft3

An alternative is also that one cubic foot is approximately ninety-one point one nine one times twenty-one tablespoons.

Conversion table

tablespoons to cubic feet chart

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