18 Teaspoons to Milliliters

18 tsp ≈ 88.721 mL

Calculation: mL = 18 tsp × 4.92892 ≈ 88.721 mL

Teaspoon to Milliliter Converter

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How much is 18 tsp?

89 mL (3.0 fl oz) is about a demitasse cup, often used for espresso or Turkish coffee.

What does 18 tsp look like?

Illustration of a demitasse cup
89 mL (3.0 fl oz) is about a demitasse cup, often used for espresso or Turkish coffee.

18 tsp on the milliliter scale

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18 tsp = 88.72 mL

How to Convert Teaspoon to Milliliter

1 Teaspoon = 4.92892 milliliters

Milliliter = Teaspoon × 4.92892

Example: 18 tsp × 4.92892 = 88.721 mL

Reverse Conversion

To convert milliliters back to Teaspoons:

  • Remember, 1 milliliter equals 0.202884 Teaspoons.
  • To convert 88.721 mL to tsp, multiply 88.721 x 0.202884, resulting in 18 tsp.

18 tsp is also equal to:

  • 0.088721 liter
  • 38 cup
  • 316 pint
  • 332 quart
  • 3 ounce

Frequently Asked Questions

How much is 18 Teaspoons in milliliters?

18 Teaspoons equals 88.721 milliliters. This is calculated by multiplying 18 by the conversion factor 4.92892.

What does 18 Teaspoons look like in milliliters?

18 Teaspoons (88.721 milliliters) is several tablespoons to a cup.

How do you calculate 18 Teaspoons to milliliters?

Multiply 18 by the conversion factor 4.92892. The calculation is 18 × 4.92892 = 88.721 milliliters. This factor is defined by international measurement standards.

Share This Calculation

18 Teaspoons = 88.7206 milliliters
18 Teaspoons = 88.7206 milliliters — conversion chart

Nearby Conversions

8 Teaspoons39.43 milliliters 10 Teaspoons49.29 milliliters 12 Teaspoons59.15 milliliters 15 Teaspoons73.93 milliliters 24 Teaspoons118.3 milliliters

For general conversions between Teaspoons and milliliters, see the Teaspoons to milliliters converter.

Also convert Teaspoons to:

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.