/convert/teaspoons-to-milliliters/ Convert teaspoons to milliliters instantly. Enter any value and get the result. Includes a conversion table and the exact formula. article Teaspoons to Milliliters Converter — 247QuickTools ,{ "@context": "https://schema.org", "@type": "SpeakableSpecification", "cssSelector": [".tool-intro", ".info-gain-section"] }
💧 Volume

Teaspoons to Milliliters Converter

Convert teaspoons to milliliters instantly. Enter any value and get the result. Includes a conversion table and the exact formula.

Quick answer: To convert teaspoons to milliliters, multiply by 4.92892. For example, 1 teaspoons = 4.92892 milliliters. Use the calculator below for any value.
teaspoons to milliliters
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Common conversions
Teaspoons Milliliters
Formula:

How to convert teaspoons to milliliters

1

Enter your value

Type the number of teaspoons you want to convert into the left box. The result in milliliters appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — Milliliters to Teaspoons. Your current value carries across so you don't have to re-enter anything.

3

About Teaspoons and Milliliters

teaspoons and milliliters are both units of volume. Use this converter to switch between them instantly.

💡 Did you know?

1 teaspoon = 5 ml exactly. 3 teaspoons = 15 ml = 1 tablespoon. In pharmacy: 5 ml = 1 tsp is the standard liquid medication dose measure. The 5 ml standardisation was introduced to replace the variable traditional teaspoon (4-6 ml) for safe medicine dosing.

📊 Common conversions at a glance
Teaspoons Milliliters
0.25 1.232
0.5 2.464
1 4.929
2 9.858
3 14.79
4 19.72
Reviewed for 2026. Teaspoons ↔ Milliliters conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.