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Teaspoons to mL Converter

Convert between teaspoons and milliliters (tsp and mL) using this calculator tool and conversion tables. Also, find out how many milliliters there are in a teaspoon. This converter is part of the full cooking calculator.

Disclaimer: Whilst every effort has been made in building this calculator, we are not to be held liable for any damages or monetary losses arising out of or in connection with the use of it. This tool is here purely as a service to you, please use it at your own risk. Full disclaimer. Do not use calculations for anything where loss of life, money, property, etc could result from inaccurate calculations.

How Many mL Are in a Teaspoon?

The teaspoon comes in a couple of sizes, depending on where you are in the world:

  • The US Teaspoon measures 4.92892 mL. It is commonly referenced in recipes in the United States.
  • The Metric Teaspoon measures 5mL. It is used in the UK as well as Australia, Canada and the Commonwealth.
Teaspoons (US) to mL Conversion Table
Teaspoons (US) Milliliters
1 teaspoon 4.9289 mL
2 teaspoons 9.8578 mL
3 teaspoons 14.7868 mL
4 teaspoons 19.7157 mL
5 teaspoons 24.6446 mL
6 teaspoons 29.5735 mL
7 teaspoons 34.5024 mL
8 teaspoons 39.4314 mL
9 teaspoons 44.3603 mL
10 teaspoons 49.2892 mL
Figures are rounded to 4 decimal places. Teaspoon is level, not heaped.
Teaspoons (Metric) to mL Conversion Table
Teaspoons (Metric) Milliliters
1 teaspoon 5 mL
2 teaspoons 10 mL
3 teaspoons 15 mL
4 teaspoons 20 mL
5 teaspoons 25 mL
6 teaspoons 30 mL
7 teaspoons 35 mL
8 teaspoons 40 mL
9 teaspoons 45 mL
10 teaspoons 50 mL
Teaspoon is level, not heaped.

Other Cooking Converters

Should you wish to convert between other cooking weight and volume units, you can do so on this website. Individual converters are available for cups and grams, cups and ounces and others in our cooking section.

If you have any suggestions for this teaspoons to milliliters converter, please contact me.