Enter a volume in milliliters (mL) and this Milliliters to Teaspoons Converter instantly shows you the equivalent in teaspoons (tsp). Choose between US teaspoons or metric teaspoons to match your recipe or measurement needs. The result updates automatically as you type. Also try the Grams to Cups Converter.
Teaspoons
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Approximate Fraction
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To convert milliliters to US teaspoons, multiply the mL value by 0.202884 (since 1 mL = 0.202884 US tsp). For metric teaspoons, divide by 5 (since 1 metric tsp = 5 mL). For example, 10 mL equals approximately 2.03 US teaspoons or exactly 2 metric teaspoons. See also our use the Cups to Ounces Converter.
There are 0.202884 US teaspoons in 1 milliliter. If you're using metric teaspoons, 1 mL equals 0.2 metric teaspoons (since a metric teaspoon is exactly 5 mL).
40 mL is equal to approximately 8.115 US teaspoons. Using metric teaspoons, 40 mL equals exactly 8 teaspoons, since 40 ÷ 5 = 8.
10 mL equals approximately 2.029 US teaspoons (10 × 0.202884). In metric teaspoons, 10 mL is exactly 2 teaspoons. This is a common dosage measurement, for example in liquid medicines. You might also find our calculate Milliliters, Conversion Factor Used & Milliliters (Rounded) — Teaspoons to Milliliters Converter useful.
A US teaspoon is equal to approximately 4.92892 mL, while a metric teaspoon is exactly 5 mL. The difference is small but can matter in precise cooking or pharmaceutical measurements. Most international recipes use metric teaspoons.
A milliliter (mL) is a unit of volume in the International System of Units (SI). It equals one cubic centimeter (cm³) or one-thousandth of a liter. Milliliters are commonly used to measure liquids in cooking, medicine, and science.
A teaspoon (tsp) is a unit of volume commonly used in cooking and medicine. In the US system, one teaspoon equals approximately 4.929 mL. The metric teaspoon is exactly 5 mL. Teaspoons are often used to measure small amounts of ingredients like spices, salt, or liquid medicine.
One quarter (¼) of a US teaspoon equals approximately 1.232 mL (4.92892 ÷ 4). For metric teaspoons, ¼ tsp equals exactly 1.25 mL (5 ÷ 4). This is a common measurement in baking recipes.