4 Teaspoons to Milliliters

4 tsp ≈ 19.716 mL

Calculation: mL = 4 tsp × 4.92892 ≈ 19.716 mL

Teaspoon to Milliliter Converter

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How much is 4 tsp?

20 mL (0.67 fl oz) is about one US fluid ounce (29.6 mL), about two tablespoons.

What does 4 tsp look like?

Illustration of a small measuring cup
20 mL (0.67 fl oz) is about one US fluid ounce (29.6 mL), about two tablespoons.

4 tsp on the milliliter scale

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4 tsp = 19.72 mL

How to Convert Teaspoon to Milliliter

1 Teaspoon = 4.92892 milliliters

Milliliter = Teaspoon × 4.92892

Example: 4 tsp × 4.92892 = 19.716 mL

Reverse Conversion

To convert milliliters back to Teaspoons:

  • Remember, 1 milliliter equals 0.202884 Teaspoons.
  • To convert 19.716 mL to tsp, multiply 19.716 x 0.202884, resulting in 4 tsp.

4 tsp is also equal to:

Frequently Asked Questions

How much is 4 Teaspoons in milliliters?

4 Teaspoons equals 19.716 milliliters. This is calculated by multiplying 4 by the conversion factor 4.92892.

What does 4 Teaspoons look like in milliliters?

4 Teaspoons (19.716 milliliters) is one to two tablespoons — common for extracts and spices.

How do you calculate 4 Teaspoons to milliliters?

Multiply 4 by the conversion factor 4.92892. The calculation is 4 × 4.92892 = 19.716 milliliters. This factor is defined by international measurement standards.

Share This Calculation

4 Teaspoons = 19.7157 milliliters
4 Teaspoons = 19.7157 milliliters — conversion chart

Nearby Conversions

1.5 Teaspoons7.393 milliliters 2 Teaspoons9.858 milliliters 2.5 Teaspoons12.32 milliliters 3 Teaspoons14.79 milliliters 5 Teaspoons24.64 milliliters 6 Teaspoons29.57 milliliters 8 Teaspoons39.43 milliliters 10 Teaspoons49.29 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.