Convert Teaspoons to Milliliters
Teaspoons (US) to Milliliters (ml) — the formula, a worked example and a live converter, all in your browser.
Teaspoons to Milliliters formula
To convert a measurement, multiply it by the fixed factor below:
ml = US × 4.92892159
Worked example
1 US = 1 × 4.92892159 = 4.92892159 ml.
Teaspoons to Milliliters conversion table
| Teaspoons (US) | Milliliters (ml) |
|---|---|
| 1 | 4.92892159 |
| 5 | 24.64460795 |
| 10 | 49.2892159 |
| 25 | 123.2230398 |
| 50 | 246.4460795 |
| 100 | 492.892159 |
Common uses
Common for dosing liquid medicine and small cooking quantities where teaspoons convert to millilitres.
Related conversions
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Frequently asked questions
What is the formula to convert teaspoons to milliliters?
Multiply the number of teaspoons by 4.92892159 to get milliliters (ml = US × 4.92892159).
How many milliliters are in a teaspoon?
One teaspoon equals 4.92892159 milliliters.
Is this converter accurate?
Yes. It uses the exact internationally-defined conversion factors and runs entirely in your browser, so results match standards tables and nothing you type is uploaded.