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 309.9 teaspoons into cubic feet we have to multiply 309.9 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

309.9 tsp → V_(ft3)

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

V_(ft3) = 309.9 tsp × 0.00017406322337944 ft3

V_(ft3) = 0.053942192925288 ft3

The final result is:

309.9 tsp → 0.053942192925288 ft3

We conclude that 309.9 teaspoons is equivalent to 0.053942192925288 cubic feet:

309.9 teaspoons = 0.053942192925288 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 18.538363862682 × 309.9 teaspoons.

Another way is saying that 309.9 teaspoons is equal to 1 ÷ 18.538363862682 cubic feet.

Approximate result

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

309.9 tsp ≅ 0.054 ft3

An alternative is also that one cubic foot is approximately eighteen point five three eight times three hundred nine 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