What Is This Tool?
This converter helps you transform volume measurements from the UK cup, a non-standard culinary unit, to the US customary cup, allowing precise adaptation of recipes between British and American cooking contexts.
How to Use This Tool?
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Enter the measurement value in cup (UK) you wish to convert
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Select 'cup (UK)' as the starting unit and 'cup (US)' as the target unit
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Trigger the conversion to see the equivalent volume in the US cup
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Use the result to adjust ingredient quantities accurately in recipes
Key Features
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Converts volume from cup (UK) to cup (US) using a specific conversion factor
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Supports culinary ingredient measurements including liquids and dry goods
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Browser-based and easy to use for home cooks and professionals
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Facilitates recipe standardization across UK and US measurement systems
Examples
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1 cup (UK) converts to approximately 1.20095 cup (US)
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2 cups (UK) converts to approximately 2.4019 cups (US)
Common Use Cases
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Adapting British recipes for American cooking and baking needs
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Converting informal recipe volumes for clear metric and US customary standards
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Ensuring correct proportions in international food preparation and recipe publishing
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Addressing measurement differences in dietary labeling and nutritional planning
Tips & Best Practices
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Remember the UK cup is not officially standardized and may vary in some recipes
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Use this tool primarily for culinary volume conversions, not for scientific measurements
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Be aware US nutrition labels sometimes define a cup as 240 mL, slightly different from the customary cup
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Verify ingredient quantities especially when precision is critical in baking results
Limitations
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The UK cup’s exact volume can vary in older or regional recipes
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US dietary labeling may use a 240 mL legal cup causing small discrepancies
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This conversion is suitable for cooking volumes, not precise scientific or laboratory use
Frequently Asked Questions
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Why does the UK cup vary in volume?
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Because the UK cup is not an official measurement unit, and older or regional recipes may imply different volumes.
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What is the exact volume of a US customary cup?
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It is exactly 236.5882365 milliliters, commonly used for culinary ingredient measurements.
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Can I use this conversion for scientific experiments?
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No, this tool is designed for cooking and baking volume conversions, not laboratory precision measurements.
Key Terminology
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Cup (UK)
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A culinary volume measure often treated as equivalent to 250 milliliters, used in British recipes but not standardized.
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Cup (US)
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A customary US volume unit equal to 8 fluid ounces or exactly 236.5882365 milliliters, used in cooking.
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Legal Cup
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A US nutrition labeling standard cup defined as 240 milliliters, slightly different from the customary US cup.