Conversion formula

The conversion factor from teaspoons to cubic feet is 0.00017406322337944, which means that 1 teaspoon is equal to 0.00017406322337944 cubic feet:

1 tsp = 0.00017406322337944 ft3

To convert 20.9 teaspoons into cubic feet we have to multiply 20.9 by the conversion factor in order to get the volume amount from teaspoons to cubic feet. We can also form a simple proportion to calculate the result:

1 tsp → 0.00017406322337944 ft3

20.9 tsp → V_(ft3)

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

V_(ft3) = 20.9 tsp × 0.00017406322337944 ft3

V_(ft3) = 0.0036379213686303 ft3

The final result is:

20.9 tsp → 0.0036379213686303 ft3

We conclude that 20.9 teaspoons is equivalent to 0.0036379213686303 cubic feet:

20.9 teaspoons = 0.0036379213686303 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 274.88224693996 × 20.9 teaspoons.

Another way is saying that 20.9 teaspoons is equal to 1 ÷ 274.88224693996 cubic feet.

Approximate result

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

20.9 tsp ≅ 0.004 ft3

An alternative is also that one cubic foot is approximately two hundred seventy-four point eight eight two times twenty point nine teaspoons.

Conversion table

teaspoons to cubic feet chart

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