tier_1 conversion
Convert teaspoon (UK) to tablespoon (US)
Convert teaspoon (UK) to tablespoon (US) with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
teaspoon (UK) to tablespoon (US)
teaspoon (UK) to tablespoon (US)
Quick answer
1 teaspoon (UK) = 0.400316641835 tablespoon (US).
Formula
tablespoon (US) = teaspoon (UK) × 0.4003166418349503043050547507
Precision
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
How to convert teaspoon (UK) to tablespoon (US)
- Enter a value in teaspoon (UK).
- The conversion is linear, so each teaspoon (UK) is worth 0.4003166418349503043050547507 tablespoon (US).
- Round the displayed tablespoon (US) value only when needed.
About these units
teaspoon (UK) is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity. tablespoon (US) is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity.
Explore related conversions
- Convert tablespoon (US) to teaspoon (UK)
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- Convert teaspoon (UK) to microliter
- Convert teaspoon (UK) to cubic foot
- Convert centiliter to tablespoon (US)
- Convert cubic meter to tablespoon (US)
- Convert kiloliter to tablespoon (US)
teaspoon (UK) to tablespoon (US) conversion table
| teaspoon (UK) | tablespoon (US) |
|---|---|
| 0 teaspoon (UK) | 0e-28 tablespoon (US) |
| 1 teaspoon (UK) | 0.400316641835 tablespoon (US) |
| 5 teaspoon (UK) | 2.00158320917 tablespoon (US) |
| 10 teaspoon (UK) | 4.00316641835 tablespoon (US) |
| 25 teaspoon (UK) | 10.0079160459 tablespoon (US) |
| 100 teaspoon (UK) | 40.0316641835 tablespoon (US) |
Frequently asked questions
How do I convert from teaspoon (UK) to tablespoon (US)?
The conversion is linear, so each teaspoon (UK) is worth 0.4003166418349503043050547507 tablespoon (US).
What formula does CalculatorHQ use for teaspoon (UK) to tablespoon (US)?
tablespoon (US) = teaspoon (UK) × 0.4003166418349503043050547507
How should I round the result?
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
Can I convert tablespoon (US) back to teaspoon (UK)?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.