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Convert teaspoon (US) to teaspoon (metric)
Convert teaspoon (US) to teaspoon (metric) with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
teaspoon (US) to teaspoon (metric)
teaspoon (US) to teaspoon (metric)
Quick answer
1 teaspoon (US) = 0.98578431875 teaspoon (metric).
Formula
teaspoon (metric) = teaspoon (US) × 0.9857843187499901997494129775
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 (US) to teaspoon (metric)
- Enter a value in teaspoon (US).
- CalculatorHQ converts this pair with the expression y = x × 0.9857843187499901997494129775.
- Round the displayed teaspoon (metric) value only when needed.
About these units
teaspoon (US) is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity. teaspoon (metric) is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity.
Explore related conversions
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- Convert centiliter to teaspoon (metric)
- Convert cubic meter to teaspoon (metric)
- Convert kiloliter to teaspoon (metric)
teaspoon (US) to teaspoon (metric) conversion table
| teaspoon (US) | teaspoon (metric) |
|---|---|
| 0 teaspoon (US) | 0e-28 teaspoon (metric) |
| 1 teaspoon (US) | 0.985784318750 teaspoon (metric) |
| 5 teaspoon (US) | 4.92892159375 teaspoon (metric) |
| 10 teaspoon (US) | 9.85784318750 teaspoon (metric) |
| 25 teaspoon (US) | 24.6446079687 teaspoon (metric) |
| 100 teaspoon (US) | 98.5784318750 teaspoon (metric) |
Frequently asked questions
How do I convert from teaspoon (US) to teaspoon (metric)?
CalculatorHQ converts this pair with the expression y = x × 0.9857843187499901997494129775.
What formula does CalculatorHQ use for teaspoon (US) to teaspoon (metric)?
teaspoon (metric) = teaspoon (US) × 0.9857843187499901997494129775
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 (metric) back to teaspoon (US)?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.