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 6.4 cubic inches into teaspoons we have to multiply 6.4 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

6.4 in3 → V_(tsp)

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

V_(tsp) = 6.4 in3 × 3.3246753246849 tsp

V_(tsp) = 21.277922077983 tsp

The final result is:

6.4 in3 → 21.277922077983 tsp

We conclude that 6.4 cubic inches is equivalent to 21.277922077983 teaspoons:

6.4 cubic inches = 21.277922077983 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.046997070312365 × 6.4 cubic inches.

Another way is saying that 6.4 cubic inches is equal to 1 ÷ 0.046997070312365 teaspoons.

Approximate result

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

6.4 in3 ≅ 21.278 tsp

An alternative is also that one teaspoon is approximately zero point zero four seven times six point four 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