To convert ml to teaspoons, multiply by 0.2028841362.
The calculation uses 1 mL = 0.2028841362 tsp. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in tsp = value in mL × 0.2028841362
mL- Input unit: ml
tsp- Output unit: teaspoons
How to use this calculator
- Enter a value in mL.
- Multiply by the stored conversion factor.
- Read the result in tsp; divide by the same factor to convert back.
Worked examples
Worked conversion
1 mL × 0.2028841362 ≈ 0.2028841362 tsp.
Reverse conversion
0.2028841362 tsp ÷ 0.2028841362 ≈ 1 mL. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 0.2028841362 tsp per mL.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
mL to tsp table
| mL | tsp (rounded) |
|---|---|
| 0 | 0 |
| 1 | 0.2028841362 |
| 2 | 0.4057682724 |
| 5 | 1.014420681 |
| 10 | 2.028841362 |
| 100 | 20.28841362 |
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