Us Teaspoon to Milliliter Converter
Enter a value in US teaspoon and get the equivalent in milliliter instantly. The calculator uses the standard unit relationship and runs directly in your browser.
Us Teaspoon → Milliliter
Formula
This conversion page is dedicated to the US teaspoon-to-milliliter direction so the unit relationship, reverse path and examples are easy to find. For scale-factor units, XpressCalculator converts through the domain base unit using internationally recognized unit definitions. Temperature scales use their standard offset-and-scale equations rather than a simple multiplier.
Worked example
Starting with 1 US teaspoon (US tsp), the converter returns 4.9289215938 milliliter (mL). For any other value, enter the number above and the browser recalculates the result immediately.
Quick conversion table
| Us Teaspoon | Milliliter |
|---|---|
| 1 US tsp | 4.9289215938 mL |
| 5 US tsp | 24.6446079688 mL |
| 10 US tsp | 49.2892159375 mL |
| 25 US tsp | 123.2230398437 mL |
| 50 US tsp | 246.4460796875 mL |
| 100 US tsp | 492.892159375 mL |
Helpful guide
Unit conversions are most reliable when the source value and unit are identified correctly. Do not confuse similarly named US customary and imperial units, and keep significant figures appropriate to the precision of the original measurement. For engineering, scientific, medical or safety-critical work, confirm the measurement standard required by your application.
Use sensible precision and verify critical decisions with an authoritative source or qualified professional.
Frequently asked questions
How do I convert US teaspoon to milliliter?
Multiply the US teaspoon value by 4.9289215938 to get milliliter. This page performs the conversion instantly and shows the relationship clearly.
Is this US teaspoon to milliliter conversion exact?
The mathematical unit factor is applied directly. Displayed results may be rounded for readability, so retain more digits when high precision matters.
Can I reverse the conversion?
Yes. Use the linked milliliter to US teaspoon converter to reverse the direction without re-entering the formula manually.