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Convert tablespoon (US) to teaspoon (UK)

Convert tablespoon (US) to teaspoon (UK) with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.

tablespoon (US) to teaspoon (UK)

tablespoon (US) to teaspoon (UK)

teaspoon (UK)

Quick answer

1 tablespoon (US) = 2.49802255389 teaspoon (UK).

Formula

teaspoon (UK) = tablespoon (US) × 2.498022553886974957084485105

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 tablespoon (US) to teaspoon (UK)

  • Enter a value in tablespoon (US).
  • Scale the source number by 2.498022553886974957084485105 to express the same quantity in teaspoon (UK).
  • Round the displayed teaspoon (UK) value only when needed.

About these units

tablespoon (US) is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity. teaspoon (UK) is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity.

Explore related conversions

tablespoon (US) to teaspoon (UK) conversion table

tablespoon (US)teaspoon (UK)
0 tablespoon (US)0e-27 teaspoon (UK)
1 tablespoon (US)2.49802255389 teaspoon (UK)
5 tablespoon (US)12.4901127694 teaspoon (UK)
10 tablespoon (US)24.9802255389 teaspoon (UK)
25 tablespoon (US)62.4505638472 teaspoon (UK)
100 tablespoon (US)249.802255389 teaspoon (UK)

Frequently asked questions

How do I convert from tablespoon (US) to teaspoon (UK)?

Scale the source number by 2.498022553886974957084485105 to express the same quantity in teaspoon (UK).

What formula does CalculatorHQ use for tablespoon (US) to teaspoon (UK)?

teaspoon (UK) = tablespoon (US) × 2.498022553886974957084485105

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 teaspoon (UK) back to tablespoon (US)?

Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.