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UK teaspoon to US teaspoon Converter
Converts uk teaspoon to us teaspoon instantly. One uk teaspoon equals 1.2009504224 us teaspoon. Includes a reference table and the reverse conversion.
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Enter a value to convert.
In short
One uk teaspoon equals 1.2009504224 us teaspoon. To convert uk teaspoon to us teaspoon, multiply by 1.2009504224. To go the other way, multiply us teaspoon by 0.8326738401. So 5 uk teaspoon is 6.004752112 us teaspoon, 10 is 12.009504224 and 100 is 120.0950422402. Both units measure cooking measures, so the conversion is a single exact multiplication with no offset — the same factor works in a spreadsheet or in code.
How to use the UK teaspoon to US teaspoon Converter
- Type the value you want to convert.
- Pick the unit you are converting from and the unit you want.
- The converted value and the exact conversion factor are shown instantly.
About the UK teaspoon to US teaspoon Converter
The UK teaspoon to US teaspoon Converter converts uk teaspoon to us teaspoon instantly. One uk teaspoon equals 1.2009504224 us teaspoon. Includes a reference table and the reverse conversion. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.
What people use it for
- Converting a single uk teaspoon figure without opening a spreadsheet.
- Checking a specification written in uk teaspoon against equipment rated in us teaspoon.
- Getting the factor itself so you can reuse it in a formula.
Details
| 1 UK teaspoon | 1.2009504224 US teaspoon |
|---|---|
| 1 US teaspoon | 0.8326738401 UK teaspoon |
| Conversion type | Exact multiplication — no offset needed |
| Measures | Cooking measures |
The maths behind it
This tool uses us teaspoon = uk teaspoon × 1.2009504224, because both units are defined against the Millilitre. Every intermediate value is shown on screen, so the result can be checked by hand.
Frequently asked questions
Is the UK teaspoon to US teaspoon Converter free, or is there a paid tier?
It is free, with no account, no trial and no daily cap. Every converters tool on inputtesthub.com works the same way: open the page and use it.
Is what I paste into the UK teaspoon to US teaspoon Converter stored?
No. The UK teaspoon to US teaspoon Converter runs entirely in your browser using JavaScript. Nothing is transmitted, logged or stored, which you can verify yourself in the Network tab of your browser's developer tools.
What is the equation behind the UK teaspoon to US teaspoon Converter?
It uses us teaspoon = uk teaspoon × 1.2009504224, because both units are defined against the Millilitre. The full working is printed under the result, so you can follow every step rather than trusting a black box.
What does a typical result look like?
Enter 10 uk teaspoon and the UK teaspoon to US teaspoon Converter returns 12.009504224 us teaspoon.
What is the UK teaspoon to US teaspoon Converter used for?
The most common reasons people reach for it: converting a single uk teaspoon figure without opening a spreadsheet. Checking a specification written in uk teaspoon against equipment rated in us teaspoon. Getting the factor itself so you can reuse it in a formula. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
What figures does the UK teaspoon to US teaspoon Converter work from?
1 UK teaspoon is 1.2009504224 US teaspoon. 1 US teaspoon is 0.8326738401 UK teaspoon. Conversion type is Exact multiplication — no offset needed. These are printed on the page itself, so you do not have to take them on trust.
How precise is the result?
The calculation runs in double precision and the result is shown to ten significant figures, so converting a value and converting it back returns the original. What is displayed is rounded for readability; what is copied is not.
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