Conversion formula

The conversion factor from teaspoons to milliliters is 4.92892161458, which means that 1 teaspoon is equal to 4.92892161458 milliliters:

1 tsp = 4.92892161458 ml

To convert 3.9 teaspoons into milliliters we have to multiply 3.9 by the conversion factor in order to get the volume amount from teaspoons to milliliters. We can also form a simple proportion to calculate the result:

1 tsp → 4.92892161458 ml

3.9 tsp → V_(ml)

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

V_(ml) = 3.9 tsp × 4.92892161458 ml

V_(ml) = 19.222794296862 ml

The final result is:

3.9 tsp → 19.222794296862 ml

We conclude that 3.9 teaspoons is equivalent to 19.222794296862 milliliters:

3.9 teaspoons = 19.222794296862 milliliters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 milliliter is equal to 0.052021573167604 × 3.9 teaspoons.

Another way is saying that 3.9 teaspoons is equal to 1 ÷ 0.052021573167604 milliliters.

Approximate result

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

3.9 tsp ≅ 19.223 ml

An alternative is also that one milliliter is approximately zero point zero five two times three point nine teaspoons.

Conversion table

teaspoons to milliliters chart

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