What Is This Tool?
This online volume unit converter helps you transform measurements from the US tablespoon to the UK teaspoon, supporting accurate ingredient quantification for cooking, baking, and other household uses.
How to Use This Tool?
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Enter the volume value in US tablespoons
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Select 'tablespoon (US)' as the from unit
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Choose 'teaspoon (UK)' as the target unit
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Click convert to get the equivalent volume in UK teaspoons
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Use the results for cooking, nutrition labeling, or household dosing
Key Features
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Converts between US tablespoon and UK teaspoon volume units
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Supports culinary and household liquid measurement needs
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Browser-based and easy to use without installation
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Includes conversion examples for clarity
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Helps reconcile differences in measurement standards between US and UK
Examples
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1 tablespoon (US) equals approximately 2.498 teaspoon (UK)
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3 tablespoons (US) convert to about 7.494 teaspoon (UK)
Common Use Cases
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Converting ingredient quantities between American and British recipes
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Accurately measuring small culinary volumes such as spices or sauces
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Translating nutrition labels or food formulations from US to UK units
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Household measurement of liquid supplements or medicines
Tips & Best Practices
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Be aware that some UK recipes may use a 5 mL metric teaspoon instead of the traditional size
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Use this tool for informal volume conversions rather than precise scientific measurements
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For medicinal dosing, consider using dedicated measuring instruments for accuracy
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Round results appropriately according to your cooking or labeling needs
Limitations
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UK teaspoon volume varies between traditional (~4.736 mL) and metric (5 mL) definitions in different contexts
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The tool focuses on culinary and household use and is not intended for clinical precision
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Measurement precision can vary due to rounding and unit variations
Frequently Asked Questions
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Why do UK teaspoons have different volumes?
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Historically, the UK teaspoon was defined as about 4.736 mL, but many modern UK recipes and nutrition labels use the metric teaspoon of 5 mL, so both volumes are in use.
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Can this conversion be used for medical dosing?
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While it can be used informally, dedicated dosing devices are recommended for accurate medical measurements rather than volume conversions.
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Is 1 US tablespoon exactly equal to 15 mL?
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The US tablespoon is exactly 14.78676478125 mL and commonly approximated as 15 mL in cooking, but the exact figure is slightly less.
Key Terminology
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Tablespoon (US)
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A unit of volume in the US customary system equal to 1/2 US fluid ounce, exactly 14.78676478125 milliliters, used mainly for small culinary measurements.
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Teaspoon (UK)
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A traditional UK culinary unit of volume for small quantities, traditionally about 4.736 mL but often replaced by the metric 5 mL teaspoon in modern recipes and labeling.