Milliliters to Teaspoons Converter
Unit ConversionConvert milliliters to teaspoons: 1 milliliter is about 0.202884 teaspoons. With a conversion table, the formula and every related volume converter.
Teaspoons
Equivalent volume in teaspoons
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SponsoredThis calculator converts a volume in milliliters to US teaspoons using the exact factor: divide the milliliter value by 4.92892159375. One US teaspoon is defined as exactly one 768th of a US gallon, and one US gallon as exactly 3,785.411784 mL, so this factor carries no rounding at all.
Recipes and product labels written in metric units are common outside the US, and converting a milliliter measurement back into teaspoons makes it possible to follow the recipe with standard US measuring spoons. This is also useful for checking a milliliter-based medication dose against a household teaspoon.
For the reverse direction, converting teaspoons back into milliliters, or converting a milliliter value into tablespoons instead, see the related converters below.
Milliliters to Teaspoons Conversion Table
This table covers common metric recipe and dosing measurements.
| Milliliters | Teaspoons |
|---|---|
| 5 ml | 1.0144 tsp |
| 10 ml | 2.0288 tsp |
| 15 ml | 3.0433 tsp |
| 20 ml | 4.0577 tsp |
| 25 ml | 5.0721 tsp |
| 30 ml | 6.0865 tsp |
| 50 ml | 10.1442 tsp |
| 100 ml | 20.2884 tsp |
| 250 ml | 50.721 tsp |
The Milliliters to Teaspoons Formula
To convert milliliters to teaspoons, divide the milliliter value by 4.92892159375. For example, 10 mL divided by 4.92892159375 equals about 2.03 teaspoons.
To go the other way, use the Teaspoons to Milliliters converter instead, which multiplies by the same factor for you. For a milliliter value that needs to become tablespoons, see the Milliliters to Tablespoons converter below.
Why 5 mL Does Not Convert to Exactly 1 Teaspoon
Many dosing charts and recipes treat 5 mL as "1 teaspoon" for convenience, but the exact US customary teaspoon is 4.92892159375 mL, meaning 5 mL is actually closer to 1.014 teaspoons. This small gap rarely matters for cooking, but it explains why a precise mL-to-teaspoon calculation and a dosing chart's rounded figure will not perfectly agree at larger volumes.
When the Difference Actually Matters
For a single dose or a small recipe quantity, the difference between a 4.9289 mL teaspoon and a 5 mL one is negligible. It compounds at larger volumes, so a recipe converted from a metric source with many teaspoons of a liquid ingredient may be off by a noticeable amount if the rounded 5 mL figure is used throughout instead of the exact factor.
Because 1 cubic centimeter is exactly 1 milliliter, the Cubic Centimeters to Milliliters Converter is the quick check when a label uses cc instead of mL. The Teaspoons to Grams Converter turns teaspoons into grams, using the density of the ingredient you pick. When an ingredient is weighed rather than measured, the Grams to Milliliters Converter turns grams into milliliters for the ingredient you pick.
Frequently Asked Questions
How many teaspoons is 75 milliliters?
About 15.2163 teaspoons.
How many teaspoons is 330 milliliters?
About 66.9518 teaspoons.
How many teaspoons is 750 milliliters?
About 152.1631 teaspoons.
How many teaspoons is 1,500 milliliters?
About 304.3262 teaspoons.
Is 1 mL the same as 0.2 teaspoon?
Approximately. 1 mL equals about 0.2029 teaspoon using the exact factor.
Can a mL-to-teaspoons result be negative?
No. A volume can't be below zero, so a negative entry shows a dash instead of a result. A minus sign in front of a value is usually a typing slip.
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