Convert Teaspoon (US) (tsp) to Milliliter (mL) (ml)

Category: Volume

4.928922 ml

1 tsp = 4.928922 ml

High-precision rounding: 6 decimals


How to convert teaspoon (us) to milliliter (ml)

We convert by pivoting through the SI base unit for Volume and applying exact factors where applicable.

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Examples

Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).

Common mistakes

  • Mixing US gallons (3.785 L) with Imperial gallons (4.546 L).
  • Assuming kitchen ‘cup’ equals the same volume in every country.

About Volume

Volume measures the space a substance occupies. SI uses cubic meters and liters; customary units like gallons, quarts, and pints persist in recipes, fuel, and containers. Accurate volume work often requires temperature and density considerations (e.g., for fuels).

About Teaspoon (US)

Teaspoon (US)

≈ 4.929 mL. Useful for small volumes and medication dosing. In lab contexts replaced by mL for clarity.

History: Evolved from household spoons; modern practice fixes approximate metric equivalents.

About Milliliter (mL)

Milliliter (mL)

Equals 1/1000 L and exactly 1 cm³. Used for doses, pipetting, coffee shots, and cosmetic volumes.

History: Popularized by laboratory glassware standards and medical dosing practices.

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