💧 Volume
teaspoons (US) to milliliters Converter
Convert teaspoons (US) to milliliters instantly with a reference table.
Quick answer: To convert teaspoons (US) to milliliters, multiply by 4.92892. For example, 1 teaspoons (US) = 4.92892 milliliters. Use the calculator below for any value.
teaspoons (US) to milliliters
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Common conversions
| teaspoons (US) | milliliters |
|---|
Formula:
How to convert teaspoons (US) to milliliters
1
Enter your value
Type the number of teaspoons (us) 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 (US). Your current value carries across so you don't have to re-enter anything.
3
About teaspoons (US) and milliliters
teaspoons (US) and milliliters are common volume measurements.
📊 Common conversions at a glance
| teaspoons (US) | milliliters |
|---|---|
| 0.25 | 1.232 |
| 0.5 | 2.464 |
| 1 | 4.929 |
| 1.5 | 7.393 |
| 2 | 9.858 |
| 3 | 14.79 |
Reviewed for 2026. teaspoons (US) ↔ 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.