## 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

milliliters (ml) teaspoons (tsp)
139.4 milliliters 28.282 teaspoons
140.4 milliliters 28.485 teaspoons
141.4 milliliters 28.688 teaspoons
142.4 milliliters 28.891 teaspoons
143.4 milliliters 29.094 teaspoons
144.4 milliliters 29.296 teaspoons
145.4 milliliters 29.499 teaspoons
146.4 milliliters 29.702 teaspoons
147.4 milliliters 29.905 teaspoons
148.4 milliliters 30.108 teaspoons