complete.tools

Teaspoon Converters

Convert teaspoons to and from tablespoons, milliliters, cups, fluid ounces, and other volume units.

What this tool does

Convert teaspoons to and from tablespoons, milliliters, cups, fluid ounces, and other volume units. Type an amount in US teaspoons, choose the units, and the tool converts it to milliliters. It offers 7 volume units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: US teaspoon, US tablespoon, Milliliter, US customary cup, US fluid ounce, US liquid pint, Liter. Starts as US teaspoon.
  • To: Choose one of the same 7 units as "From". Starts as Milliliter.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from US teaspoons to milliliters:

  • 1 tsp (US) = 4.92892159375 mL
  • 5 tsp (US) ≈ 24.644608 mL
  • 10 tsp (US) = 49.2892159375 mL
  • 50 tsp (US) ≈ 246.44608 mL
  • 100 tsp (US) = 492.892159375 mL

Multiply the number of US teaspoons by 4.92892159375 to get milliliters. Both units are exact definitions, so 4.92892159375 is the exact factor: 1 tsp (US) = 4.92892159375 mL.

Sources: US teaspoon: exact by definition. Milliliter: SI Brochure, 9th edition (2019), Table 8.

Limitations

  • Converts the unit of a volume only. It does not work out a volume from dimensions or weight.
  • Sizes of cups, spoons, gallons and barrels differ between countries. Check that the unit chosen matches your recipe or source.

FAQs

Q: How many milliliters are in one US teaspoon?
A: One US teaspoon is about 4.9289 milliliters. Enter any amount to convert it.
Q: Which units does this use?
A: This is the US customary teaspoon, one sixth of a US fluid ounce. Metric kitchen teaspoons are often rounded to exactly 5 mL.
Q: Can I convert the other way?
A: Yes. Swap the From and To boxes to convert milliliters to US teaspoons.

Explore Similar Tools

Explore more tools like this one: