## 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 20.4 milliliters into teaspoons we have to multiply 20.4 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

20.4 ml → V(tsp)

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

V(tsp) = 20.4 ml × 0.20288413535365 tsp

V(tsp) = 4.1388363612145 tsp

The final result is:

20.4 ml → 4.1388363612145 tsp

We conclude that 20.4 milliliters is equivalent to 4.1388363612145 teaspoons:

20.4 milliliters = 4.1388363612145 teaspoons

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.24161380463627 × 20.4 milliliters.

Another way is saying that 20.4 milliliters is equal to 1 ÷ 0.24161380463627 teaspoons.

## Approximate result

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

20.4 ml ≅ 4.139 tsp

An alternative is also that one teaspoon is approximately zero point two four two times twenty 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)
21.4 milliliters 4.342 teaspoons
22.4 milliliters 4.545 teaspoons
23.4 milliliters 4.747 teaspoons
24.4 milliliters 4.95 teaspoons
25.4 milliliters 5.153 teaspoons
26.4 milliliters 5.356 teaspoons
27.4 milliliters 5.559 teaspoons
28.4 milliliters 5.762 teaspoons
29.4 milliliters 5.965 teaspoons
30.4 milliliters 6.168 teaspoons