Us Teaspoon to Imperial Teaspoon Converter
Enter a value in US teaspoon and get the equivalent in imperial teaspoon instantly. The calculator uses the standard unit relationship and runs directly in your browser.
Us Teaspoon → Imperial Teaspoon
Formula
This conversion page is dedicated to the US teaspoon-to-imperial 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 US teaspoon (tsp US), the converter returns 0.8326741846 imperial teaspoon (tsp imp). For any other value, enter the number above and the browser recalculates the result immediately.
Quick conversion table
| Us Teaspoon | Imperial Teaspoon |
|---|---|
| 1 tsp US | 0.8326741846 tsp imp |
| 5 tsp US | 4.1633709231 tsp imp |
| 10 tsp US | 8.3267418463 tsp imp |
| 25 tsp US | 20.8168546157 tsp imp |
| 50 tsp US | 41.6337092315 tsp imp |
| 100 tsp US | 83.2674184629 tsp imp |
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 imperial teaspoon?
Multiply the US teaspoon value by 0.8326741846 to get imperial teaspoon. This page performs the conversion instantly and shows the relationship clearly.
Is this US teaspoon to imperial 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 imperial teaspoon to US teaspoon converter to reverse the direction without re-entering the formula manually.