US teaspoon (tsp US)
The US teaspoon is used in recipes, medicine, and household dosing.
History: the teaspoon evolved from a household spoon into a standard recipe and dosing measure.
Quickly convert US teaspoons to milliliters without lookup tables or manual math.
This page is focused on converting US teaspoons to milliliters. Type a number into the first field and the result appears immediately in the second field.
Example: 1 tsp US = 4.9289215938 mL. Conversion formula: result = value × 4.92892159375E-6 / 1.0E-6.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The US teaspoon is used in recipes, medicine, and household dosing.
History: the teaspoon evolved from a household spoon into a standard recipe and dosing measure.
The milliliter is used for small volumes in medicine, recipes, laboratories, and cosmetics.
History: the milliliter appeared as one thousandth of a liter and became useful in medicine, chemistry, and recipes.
Enter a value in the US teaspoon field. The converter applies the formula "result = value × 4.92892159375E-6 / 1.0E-6" and immediately shows the result in milliliters.
1 tsp US = 4.9289215938 mL.
Yes. Use the swap button or choose the reverse pair from the full conversion list.