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 420 teaspoons into cubic feet we have to multiply 420 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

420 tsp → V_(ft3)

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

V_(ft3) = 420 tsp × 0.00017406322337944 ft3

V_(ft3) = 0.073106553819365 ft3

The final result is:

420 tsp → 0.073106553819365 ft3

We conclude that 420 teaspoons is equivalent to 0.073106553819365 cubic feet:

420 teaspoons = 0.073106553819365 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 13.678664192965 × 420 teaspoons.

Another way is saying that 420 teaspoons is equal to 1 ÷ 13.678664192965 cubic feet.

Approximate result

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

420 tsp ≅ 0.073 ft3

An alternative is also that one cubic foot is approximately thirteen point six seven nine times four hundred twenty 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