tier_1 conversion
Convert teaspoon (UK) to cup (US)
Convert teaspoon (UK) to cup (US) with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
teaspoon (UK) to cup (US)
teaspoon (UK) to cup (US)
Quick answer
1 teaspoon (UK) = 0.0250197901147 cup (US).
Formula
cup (US) = teaspoon (UK) × 0.02501979011468454200376644275
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 cup (US)
- Enter a value in teaspoon (UK).
- Apply a direct multiplication by 0.02501979011468454200376644275; no offset or reciprocal step is required.
- Round the displayed cup (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. cup (US) is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity.
Explore related conversions
teaspoon (UK) to cup (US) conversion table
| teaspoon (UK) | cup (US) |
|---|---|
| 0 teaspoon (UK) | 0e-29 cup (US) |
| 1 teaspoon (UK) | 0.0250197901147 cup (US) |
| 5 teaspoon (UK) | 0.125098950573 cup (US) |
| 10 teaspoon (UK) | 0.250197901147 cup (US) |
| 25 teaspoon (UK) | 0.625494752867 cup (US) |
| 100 teaspoon (UK) | 2.50197901147 cup (US) |
Frequently asked questions
How do I convert from teaspoon (UK) to cup (US)?
Apply a direct multiplication by 0.02501979011468454200376644275; no offset or reciprocal step is required.
What formula does CalculatorHQ use for teaspoon (UK) to cup (US)?
cup (US) = teaspoon (UK) × 0.02501979011468454200376644275
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 cup (US) back to teaspoon (UK)?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.