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 20.9 teaspoons into milliliters we have to multiply 20.9 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

20.9 tsp → V_(ml)

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

V_(ml) = 20.9 tsp × 4.92892161458 ml

V_(ml) = 103.01446174472 ml

The final result is:

20.9 tsp → 103.01446174472 ml

We conclude that 20.9 teaspoons is equivalent to 103.01446174472 milliliters:

20.9 teaspoons = 103.01446174472 milliliters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 milliliter is equal to 0.009707374897304 × 20.9 teaspoons.

Another way is saying that 20.9 teaspoons is equal to 1 ÷ 0.009707374897304 milliliters.

Approximate result

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

20.9 tsp ≅ 103.014 ml

An alternative is also that one milliliter is approximately zero point zero one times twenty 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