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 640 teaspoons into cubic feet we have to multiply 640 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

640 tsp → V_(ft3)

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

V_(ft3) = 640 tsp × 0.00017406322337944 ft3

V_(ft3) = 0.11140046296284 ft3

The final result is:

640 tsp → 0.11140046296284 ft3

We conclude that 640 teaspoons is equivalent to 0.11140046296284 cubic feet:

640 teaspoons = 0.11140046296284 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 8.9766233766332 × 640 teaspoons.

Another way is saying that 640 teaspoons is equal to 1 ÷ 8.9766233766332 cubic feet.

Approximate result

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

640 tsp ≅ 0.111 ft3

An alternative is also that one cubic foot is approximately eight point nine seven seven times six hundred forty 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