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Ml to Teaspoon Converter

Convert milliliters to US teaspoons and teaspoons to milliliters with related volume equivalents.

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Ml to Teaspoon Converter

The Ml to Teaspoon Converter converts milliliters to US teaspoons (tsp) and back. One US teaspoon equals 5 mL. This is the standard used in American cooking and medicine dosing. Related: Ml to Tablespoon Converter and Mg to Teaspoon Converter (mass-based, requires density).

Conversion Formula

$$\text{tsp} = \frac{\text{mL}}{5}$$

$$\text{mL} = \text{tsp} \times 5$$

Based on the US customary teaspoon of $5\,\text{mL}$ per teaspoon.

Frequently Asked Questions

How many mL are in 1 teaspoon?

One US teaspoon equals 5 mL. This is the FDA and USP standard for medicine and cooking measurements.

How do I convert 15 mL to teaspoons?

Divide by 5: 15 mL = 3 teaspoons (1 tablespoon).

Is a metric teaspoon the same as a US teaspoon?

No. A metric teaspoon is 5 mL, matching the US standard. Some countries use 4 mL or 5.9 mL teaspoons. This tool uses the US 5 mL teaspoon.

How is this different from mg to teaspoon?

This tool converts volume (mL) to volume (tsp). The Mg to Teaspoon Converter converts mass (mg) to volume and requires knowing the substance density.

How many teaspoons are in 1 tablespoon?

One US tablespoon equals 3 teaspoons (15 mL). Use our Ml to Tablespoon Converter for direct mL conversions.

Can I convert mL to teaspoons for medicine dosing?

Yes. Most liquid medicine syringes are marked in mL. Divide mL by 5 to get the equivalent in US teaspoons.