Convert Teaspoons (tsp) to Milliliters (mL)

1 Teaspoon equals 4.92892 milliliters.

Formula: mL = tsp × 4.92892

Teaspoon to Milliliter Converter

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How to Convert Teaspoon to Milliliter

1 Teaspoon = 4.92892 milliliters

Milliliter = Teaspoon × 4.92892

Example: 1 tsp × 4.92892 = 4.92892 mL

Reverse Conversion

To convert milliliters back to Teaspoons:

  • Remember, 1 milliliter equals 0.202884 Teaspoons.
  • To convert 4.92892 mL to tsp, multiply 4.92892 x 0.202884, resulting in 1 tsp.

Common Teaspoon to Milliliter Conversions

Teaspoon to Milliliter (Part 1)
Teaspoon Milliliter Actions
1 Teaspoon 4.92892 milliliters
2 Teaspoons 9.85784 milliliters
3 Teaspoons 14.7868 milliliters
Teaspoon to Milliliter (Part 2)
Teaspoon Milliliter Actions
5 Teaspoons 24.6446 milliliters
10 Teaspoons 49.2892 milliliters

Teaspoons to milliliters Conversion Table

Reference table with common teaspoons to milliliters conversions. All values calculated with high precision.

Teaspoons to Milliliters Table
0.0001 to 12

Teaspoons Milliliters Actions
0.0001 tsp 0.000492892 mL
0.00025 tsp 0.00123223 mL
0.0005 tsp 0.00246446 mL
0.001 tsp 0.00492892 mL
0.0025 tsp 0.0123223 mL
0.005 tsp 0.0246446 mL
0.01 tsp 0.0492892 mL
0.025 tsp 0.123223 mL
0.05 tsp 0.246446 mL
0.1 tsp 0.492892 mL
14 tsp 1.23223 mL
12 tsp 2.46446 mL

Teaspoons to Milliliters Table
1 to 100000

Teaspoons Milliliters Actions
1 tsp 4.92892 mL
2 12 tsp 12.3223 mL
5 tsp 24.6446 mL
10 tsp 49.2892 mL
25 tsp 123.223 mL
50 tsp 246.446 mL
100 tsp 492.892 mL
250 tsp 1232.23 mL
500 tsp 2464.46 mL
1000 tsp 4928.92 mL
2500 tsp 12322.3 mL
5000 tsp 24644.6 mL
10000 tsp 49289.2 mL
25000 tsp 123223 mL
50000 tsp 246446 mL
100000 tsp 492892 mL

Milliliters to Teaspoons Table
0.001 to 5

Milliliters Teaspoons Actions
0.001 mL 0.000202884 tsp
0.0025 mL 0.00050721 tsp
0.005 mL 0.00101442 tsp
0.01 mL 0.00202884 tsp
0.025 mL 0.0050721 tsp
0.05 mL 0.0101442 tsp
0.1 mL 0.0202884 tsp
14 mL 0.050721 tsp
12 mL 0.101442 tsp
1 mL 0.202884 tsp
2 12 mL 0.50721 tsp
5 mL 1.01442 tsp

Milliliters to Teaspoons Table
10 to 1000000

Milliliters Teaspoons Actions
10 mL 2.02884 tsp
25 mL 5.0721 tsp
50 mL 10.1442 tsp
100 mL 20.2884 tsp
250 mL 50.721 tsp
500 mL 101.442 tsp
1000 mL 202.884 tsp
2500 mL 507.21 tsp
5000 mL 1014.42 tsp
10000 mL 2028.84 tsp
25000 mL 5072.1 tsp
50000 mL 10144.2 tsp
100000 mL 20288.4 tsp
250000 mL 50721 tsp
500000 mL 101442 tsp
1000000 mL 202884 tsp

Definition of Teaspoon

Teaspoon: A Common Unit of Measurement

The teaspoon is a widely used unit of volume measurement, especially in cooking, baking, and pharmaceuticals. It is abbreviated as "tsp" or "t", and it is commonly used to measure small quantities of ingredients such as spices, extracts, and liquids. Teaspoons are found in almost every kitchen and are essential for following recipes accurately.

Conversions to Other Units of Measurement:

  1. Tablespoons: 1 teaspoon is equal to 1/3 or approximately 0.333 of a tablespoon. This conversion is often used when adjusting recipe measurements or scaling up ingredients.
  2. Milliliters: 1 teaspoon is approximately equal to 4.93 milliliters. In scientific experiments or pharmaceutical formulations, volumes measured in teaspoons may need to be converted to milliliters for precision.
  3. Fluid Ounces: 1 teaspoon is equal to approximately 0.17 fluid ounces. This conversion is useful when dealing with liquid measurements in ounces rather than teaspoons.
  4. Cubic Centimeters: 1 teaspoon is approximately equal to 4.93 cubic centimeters. In medical dosages or laboratory experiments, volumes measured in teaspoons may be converted to cubic centimeters for accurate calculations.
  5. Cups: 1 teaspoon is equal to 1/48 of a cup. When adjusting recipe measurements or converting between different units, teaspoons may be converted to cups for easier handling.

The teaspoon's conversions to other units allow for precise measurements, ensuring the success of recipes and formulations in various industries.

Definition of Milliliter

milliliter: A Unit of Measurement for Volume

The milliliter (abbreviated as "ml" or "mL") is a metric unit of volume measurement equal to one-thousandth of a liter. It is commonly used to measure small quantities of liquids or substances in various fields, including chemistry, pharmacy, cooking, and medicine.

Conversions to Other Units of Measurement:

  1. Liters (L): 1 milliliter is equal to 0.001 liters. For example, a bottle containing 500 milliliters of water would be equivalent to 0.5 liters.
  2. Cubic Centimeters (cm³): 1 milliliter is equal to 1 cubic centimeter. This conversion is often used interchangeably, especially in scientific and medical contexts where precise volume measurements are required.
  3. Fluid Ounces (fl oz): 1 milliliter is approximately equal to 0.033814 fluid ounces. This conversion is commonly used in cooking and beverage measurements. For instance, a medicine dropper with a capacity of 10 milliliters would hold approximately 0.33814 fluid ounces of liquid.
  4. Gallons (gal): 1 milliliter is approximately equal to 0.000264172 gallons. This conversion is useful for understanding volumes on a larger scale, such as in manufacturing or chemical processing. For example, a chemical tank containing 10,000 milliliters of solution would be equivalent to approximately 2.64 gallons.
  5. Pints (pt): 1 milliliter is approximately equal to 0.00211338 pints. This conversion is commonly used in the beverage industry. For instance, a bottle of beer with a volume of 355 milliliters would be equivalent to approximately 0.750249 pints.

The milliliter is a standard unit of volume measurement in the metric system and is derived from the liter. It is widely used due to its convenience for measuring small volumes accurately.

About the Teaspoon

Facts & Uses

  • US teaspoon = 4.92892159375 mL exactly (= 1/3 US tablespoon = 1/6 US fluid ounce). The smallest standard cooking measure.
  • Standard for spices ("1 tsp salt"), baking powder, vanilla extract, and liquid medication doses for children.
  • Metric teaspoon = 5 mL exactly — adopted globally as the medical and culinary standard outside the US.
  • The standard 5 mL oral syringe dispensed by pharmacies is calibrated to one metric teaspoon for accurate pediatric dosing.

Curiosities

  • WHO and pediatric guidelines recommend oral syringes over kitchen teaspoons because regular spoons vary from 2.5 mL to 7 mL — a potential 3× dosing error.
  • The symbol "tsp" (lowercase) distinguishes it from "tbsp" (tablespoon) and "T" (capital) — confusion with capital T causes the most cooking errors after metric/imperial mismatches.
  • The Latin abbreviation "q.s." (quantum sufficit) or just "a pinch" was the historical alternative before standardized teaspoons existed.
  • Approximate equivalents: 1 US tsp ≈ 4.93 mL; 1 metric tsp = 5 mL; 6 tsp = 1 fl oz.

Sources

About the Milliliter

Facts & Uses

  • 1 mL = 1 cm³ exactly — the foundational link between length and volume in the metric system.
  • Standard unit for medical dosing (injections, oral syringes), laboratory work, and cosmetics packaging (perfumes, serums, contact lens solutions).
  • Cooking outside the US uses milliliters for recipe precision: 5 mL = 1 metric teaspoon, 15 mL = 1 metric tablespoon.
  • Beverages: 330 mL standard can, 250 mL wine glass pour, 500 mL pint bottle, 750 mL wine bottle.

Curiosities

  • The cubic centimeter (cc) is identical to the milliliter — engine displacement and medical syringes still often use cc, especially in older specifications.
  • 1 mL of water at 4 °C weighs almost exactly 1 gram — the kitchen approximation that makes metric cooking so simple.
  • A standard medication drop is approximately 0.05 mL (1/20 mL); 20 drops ≈ 1 mL is the conventional pharmacy ratio.
  • Approximate equivalents: 1 mL ≈ 0.0338 fl oz (US) ≈ 0.2 metric tsp ≈ 0.03527 imperial fluid ounces.

Sources

Frequently Asked Questions

How many milliliters are in one Teaspoon?

One Teaspoon equals 4.92892 milliliters. To convert, multiply the Teaspoon value by 4.92892. For the reverse, divide the milliliter value by 4.92892 (or multiply by 0.202884).

What is 0.08 Teaspoons in milliliters?

0.08 Teaspoons = 0.39431 milliliters. This is one of the most commonly searched conversions for this pair.

How precise is the Teaspoon-to-milliliter conversion?

The factor 4.92892 is accurate to 6 significant figures, derived from international measurement standards. Our calculator uses full precision internally.

Looking for the reverse? Convert Milliliter to Teaspoon

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Conversion factors verified against NIST, BIPM, ISO 80000-3 1 US gallon = 3.785411784 L (exact, US customary). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.

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