Milliliters to US teaspoons

Type a value in milliliters to see it in US teaspoons straight away, or type in the second box to convert back.

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How to use it

  1. Type the value in the milliliters box.
  2. Read the result in US teaspoons as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

tsp (US) = mL × 0.2028841362

Multiply the value in milliliters by 0.2028841362 to get US teaspoons.

Example

To convert 25 mL to US teaspoons: 25 × 0.2028841362 = 5.0721 tsp (US).

Conversion table

Milliliters (mL)US teaspoons (tsp (US))
10.202884
20.405768
30.608652
51.01442
102.02884
204.05768
255.0721
5010.1442
10020.2884
25050.721
500101.442
1,000202.884

About the units

Milliliter
The milliliter is one thousandth of a liter and equals exactly one cubic centimeter.
US teaspoon
The US teaspoon is one third of a US tablespoon, exactly 4.92892159375 milliliters.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many US teaspoons are in one milliliter?

1 mL = 0.202884 tsp (US) exactly.

How do I convert milliliters to US teaspoons?

Use tsp (US) = mL × 0.2028841362. For example, 25 mL = 5.0721 tsp (US).

How many milliliters are in one US teaspoon?

1 tsp (US) = 4.92892 mL.

What is the difference between a US gallon and an imperial gallon?

A US gallon is 3.785411784 liters and the imperial gallon used in the UK is 4.54609 liters, about 20% larger. Check where a figure comes from before converting, since US sources mean the US gallon.

How many milliliters are in a cup?

The US customary cup used in recipes is 236.5882365 mL and the metric cup is 250 mL. US nutrition labels round the cup to 240 mL, so the figure differs slightly between sources.