Conversion formula

The conversion factor from milliliters to teaspoons is 0.20288413535365, which means that 1 milliliter is equal to 0.20288413535365 teaspoons:

1 ml = 0.20288413535365 tsp

To convert 138.4 milliliters into teaspoons we have to multiply 138.4 by the conversion factor in order to get the volume amount from milliliters to teaspoons. We can also form a simple proportion to calculate the result:

1 ml → 0.20288413535365 tsp

138.4 ml → V_(tsp)

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

V_(tsp) = 138.4 ml × 0.20288413535365 tsp

V_(tsp) = 28.079164332946 tsp

The final result is:

138.4 ml → 28.079164332946 tsp

We conclude that 138.4 milliliters is equivalent to 28.079164332946 teaspoons:

138.4 milliliters = 28.079164332946 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.035613595481069 × 138.4 milliliters.

Another way is saying that 138.4 milliliters is equal to 1 ÷ 0.035613595481069 teaspoons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred thirty-eight point four milliliters is approximately twenty-eight point zero seven nine teaspoons:

138.4 ml ≅ 28.079 tsp

An alternative is also that one teaspoon is approximately zero point zero three six times one hundred thirty-eight point four milliliters.

Conversion table

milliliters to teaspoons chart

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