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 21 teaspoons into milliliters we have to multiply 21 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

21 tsp → V_(ml)

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

V_(ml) = 21 tsp × 4.92892161458 ml

V_(ml) = 103.50735390618 ml

The final result is:

21 tsp → 103.50735390618 ml

We conclude that 21 teaspoons is equivalent to 103.50735390618 milliliters:

21 teaspoons = 103.50735390618 milliliters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 milliliter is equal to 0.009661149302555 × 21 teaspoons.

Another way is saying that 21 teaspoons is equal to 1 ÷ 0.009661149302555 milliliters.

Approximate result

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

21 tsp ≅ 103.507 ml

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