Conversion formula

The conversion factor from cubic inches to teaspoons is 3.3246753246849, which means that 1 cubic inch is equal to 3.3246753246849 teaspoons:

1 in3 = 3.3246753246849 tsp

To convert 438 cubic inches into teaspoons we have to multiply 438 by the conversion factor in order to get the volume amount from cubic inches to teaspoons. We can also form a simple proportion to calculate the result:

1 in3 → 3.3246753246849 tsp

438 in3 → V_(tsp)

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

V_(tsp) = 438 in3 × 3.3246753246849 tsp

V_(tsp) = 1456.207792212 tsp

The final result is:

438 in3 → 1456.207792212 tsp

We conclude that 438 cubic inches is equivalent to 1456.207792212 teaspoons:

438 cubic inches = 1456.207792212 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.00068671518264643 × 438 cubic inches.

Another way is saying that 438 cubic inches is equal to 1 ÷ 0.00068671518264643 teaspoons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred thirty-eight cubic inches is approximately one thousand four hundred fifty-six point two zero eight teaspoons:

438 in3 ≅ 1456.208 tsp

An alternative is also that one teaspoon is approximately zero point zero zero one times four hundred thirty-eight cubic inches.

Conversion table

cubic inches to teaspoons chart

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