Imperial Teaspoon to Us Teaspoon Converter
Enter a value in imperial teaspoon and get the equivalent in US teaspoon instantly. The calculator uses the standard unit relationship and runs directly in your browser.
Imperial Teaspoon → Us Teaspoon
Formula
This conversion page is dedicated to the imperial teaspoon-to-US teaspoon 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 imperial teaspoon (tsp imp), the converter returns 1.2009499255 US teaspoon (tsp US). For any other value, enter the number above and the browser recalculates the result immediately.
Quick conversion table
| Imperial Teaspoon | Us Teaspoon |
|---|---|
| 1 tsp imp | 1.2009499255 tsp US |
| 5 tsp imp | 6.0047496275 tsp US |
| 10 tsp imp | 12.009499255 tsp US |
| 25 tsp imp | 30.0237481376 tsp US |
| 50 tsp imp | 60.0474962752 tsp US |
| 100 tsp imp | 120.0949925504 tsp US |
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 imperial teaspoon to US teaspoon?
Multiply the imperial teaspoon value by 1.2009499255 to get US teaspoon. This page performs the conversion instantly and shows the relationship clearly.
Is this imperial teaspoon to US teaspoon 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 US teaspoon to imperial teaspoon converter to reverse the direction without re-entering the formula manually.