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US cup to UK cup Converter
Converts us cup to uk cup instantly. One us cup equals 0.8326741846 uk cup. Includes a reference table and the reverse conversion.
Converters
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Enter a value to convert.
In short
One us cup equals 0.8326741846 uk cup. To convert us cup to uk cup, multiply by 0.8326741846. To go the other way, multiply uk cup by 1.2009499255. So 5 us cup is 4.1633709231 uk cup, 10 is 8.3267418463 and 100 is 83.2674184629. 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 US cup to UK cup 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 US cup to UK cup Converter
The US cup to UK cup Converter converts us cup to uk cup instantly. One us cup equals 0.8326741846 uk cup. 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 us cup figure without opening a spreadsheet.
- Checking a specification written in us cup against equipment rated in uk cup.
- Getting the factor itself so you can reuse it in a formula.
Details
| 1 US cup | 0.8326741846 UK cup |
|---|---|
| 1 UK cup | 1.2009499255 US cup |
| Conversion type | Exact multiplication — no offset needed |
| Measures | Cooking measures |
The maths behind it
This tool uses uk cup = us cup × 0.8326741846, 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
Are there any usage caps on the US cup to UK cup Converter?
There is no cost and no cap. The US cup to UK cup Converter is not a demo of a paid product, so nothing is held back or watermarked.
Is my data uploaded anywhere?
No. The US cup to UK cup 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 formula does the US cup to UK cup Converter use?
It uses uk cup = us cup × 0.8326741846, 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.
Give me a worked example.
Enter 10 us cup and the US cup to UK cup Converter returns 8.3267418463 uk cup.
When would I actually need the US cup to UK cup Converter?
Typical uses: converting a single us cup figure without opening a spreadsheet. Checking a specification written in us cup against equipment rated in uk cup. 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 are the key numbers for the US cup to UK cup Converter?
1 US cup is 0.8326741846 UK cup. 1 UK cup is 1.2009499255 US cup. 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.
Can I rely on this for exact work?
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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