21 milliliters in metric teaspoons

Conversion

21 milliliters is equivalent to 4.2 metric teaspoons.[1]

Conversion formula
How to convert 21 milliliters to metric teaspoons?

We know (by definition) that: 1⁢ml ≈ 0.2⁢brteaspoon

We can set up a proportion to solve for the number of metric teaspoons.

1 ⁢ ml 21 ⁢ ml ≈ 0.2 ⁢ brteaspoon x ⁢ brteaspoon

Now, we cross multiply to solve for our unknown x:

x ⁢ brteaspoon ≈ 21 ⁢ ml 1 ⁢ ml * 0.2 ⁢ brteaspoon → x ⁢ brteaspoon ≈ 4.2 ⁢ brteaspoon

Conclusion: 21 ⁢ ml ≈ 4.2 ⁢ brteaspoon

21 milliliters is equivalent to 4.2 metric teaspoons

Conversion in the opposite direction

The inverse of the conversion factor is that 1 metric teaspoon is equal to 0.238095238095238 times 21 milliliters.

It can also be expressed as: 21 milliliters is equal to 1 0.238095238095238 metric teaspoons.

Approximation

An approximate numerical result would be: twenty-one milliliters is about zero metric teaspoons, or alternatively, a metric teaspoon is about zero point two four times twenty-one milliliters.

Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.

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