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Unit Converter

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 21 milliliters into teaspoons we have to multiply 21 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

21 ml → V(tsp)

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

V(tsp) = 21 ml × 0.20288413535365 tsp

V(tsp) = 4.2605668424267 tsp

The final result is:

21 ml → 4.2605668424267 tsp

We conclude that 21 milliliters is equivalent to 4.2605668424267 teaspoons:

21 milliliters = 4.2605668424267 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.23471055307524 × 21 milliliters.

Another way is saying that 21 milliliters is equal to 1 ÷ 0.23471055307524 teaspoons.

Approximate result

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

21 ml ≅ 4.261 tsp

An alternative is also that one teaspoon is approximately zero point two three five times twenty-one 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)
22 milliliters 4.463 teaspoons
23 milliliters 4.666 teaspoons
24 milliliters 4.869 teaspoons
25 milliliters 5.072 teaspoons
26 milliliters 5.275 teaspoons
27 milliliters 5.478 teaspoons
28 milliliters 5.681 teaspoons
29 milliliters 5.884 teaspoons
30 milliliters 6.087 teaspoons
31 milliliters 6.289 teaspoons