tier_1 conversion
Convert cup (US) to teaspoon (UK)
Convert cup (US) to teaspoon (UK) with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
cup (US) to teaspoon (UK)
cup (US) to teaspoon (UK)
Quick answer
1 cup (US) = 39.9683608622 teaspoon (UK).
Formula
teaspoon (UK) = cup (US) × 39.96836086219136291225145714
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 cup (US) to teaspoon (UK)
- Enter a value in cup (US).
- Use the scale factor 39.96836086219136291225145714: teaspoon (UK) equals cup (US) multiplied by this factor.
- Round the displayed teaspoon (UK) value only when needed.
About these units
cup (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
cup (US) to teaspoon (UK) conversion table
| cup (US) | teaspoon (UK) |
|---|---|
| 0 cup (US) | 0e-26 teaspoon (UK) |
| 1 cup (US) | 39.9683608622 teaspoon (UK) |
| 5 cup (US) | 199.841804311 teaspoon (UK) |
| 10 cup (US) | 399.683608622 teaspoon (UK) |
| 25 cup (US) | 999.209021555 teaspoon (UK) |
| 100 cup (US) | 3996.83608622 teaspoon (UK) |
Frequently asked questions
How do I convert from cup (US) to teaspoon (UK)?
Use the scale factor 39.96836086219136291225145714: teaspoon (UK) equals cup (US) multiplied by this factor.
What formula does CalculatorHQ use for cup (US) to teaspoon (UK)?
teaspoon (UK) = cup (US) × 39.96836086219136291225145714
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 cup (US)?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.