1 US customary teaspoon in milliliters
Conversion
1 US customary teaspoon is equivalent to 4.92892159375 milliliters.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 milliliter is equal to 0.202884136211058 times 1 US customary teaspoon.
It can also be expressed as: 1 US customary teaspoon is equal to milliliters.
Approximation
An approximate numerical result would be: one US customary teaspoon is about four point nine two milliliters, or alternatively, a milliliter is about zero point two zero times one US customary teaspoon.
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.