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 42 cubic inches into teaspoons we have to multiply 42 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

42 in3 → V_(tsp)

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

V_(tsp) = 42 in3 × 3.3246753246849 tsp

V_(tsp) = 139.63636363676 tsp

The final result is:

42 in3 → 139.63636363676 tsp

We conclude that 42 cubic inches is equivalent to 139.63636363676 teaspoons:

42 cubic inches = 139.63636363676 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.0071614583333128 × 42 cubic inches.

Another way is saying that 42 cubic inches is equal to 1 ÷ 0.0071614583333128 teaspoons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty-two cubic inches is approximately one hundred thirty-nine point six three six teaspoons:

42 in3 ≅ 139.636 tsp

An alternative is also that one teaspoon is approximately zero point zero zero seven times forty-two 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