Conversion formula

The conversion factor from cubic feet to teaspoons is 5745.0389610452, which means that 1 cubic foot is equal to 5745.0389610452 teaspoons:

1 ft3 = 5745.0389610452 tsp

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

1 ft3 → 5745.0389610452 tsp

21 ft3 → V_(tsp)

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

V_(tsp) = 21 ft3 × 5745.0389610452 tsp

V_(tsp) = 120645.81818195 tsp

The final result is:

21 ft3 → 120645.81818195 tsp

We conclude that 21 cubic feet is equivalent to 120645.81818195 teaspoons:

21 cubic feet = 120645.81818195 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 8.2887249228305E-6 × 21 cubic feet.

Another way is saying that 21 cubic feet is equal to 1 ÷ 8.2887249228305E-6 teaspoons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-one cubic feet is approximately one hundred twenty thousand six hundred forty-five point eight one eight teaspoons:

21 ft3 ≅ 120645.818 tsp

An alternative is also that one teaspoon is approximately zero times twenty-one cubic feet.

Conversion table

cubic feet to teaspoons chart

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