Tsp to Ml ConverterRight in Your Browser
Convert US teaspoons (tsp) to milliliters (ml). The US teaspoon (tsp) measures small recipe amounts like spices and vanilla — about 4.9 ml. The milliliter (ml) is one thousandth of a liter, the standard unit for drinks, medicine and recipes outside the US. Everything is calculated locally in your browser — no server, and it works offline.
4.92892 ml
in milliliters (milliliter)
To convert US teaspoons to milliliters, multiply the US teaspoon value by 4.92892.
Switch to Ml to TspTsp to Ml Chart
| US teaspoons (tsp) | Milliliters (ml) |
|---|---|
| 1 | 4.92892 |
| 2 | 9.85784 |
| 3 | 14.7868 |
| 4 | 19.7157 |
| 5 | 24.6446 |
| 10 | 49.2892 |
| 20 | 98.5784 |
| 50 | 246.446 |
| 100 | 492.892 |
Frequently Asked Questions
How many milliliters are in a US teaspoon?
One US teaspoon equals 4.92892 milliliters (1 tsp = 4.92892 ml). So to go from US teaspoons to milliliters, multiply the US teaspoon value by 4.92892.
What is the formula to convert US teaspoons to milliliters?
To convert US teaspoons to milliliters, multiply the US teaspoon value by 4.92892. For example, 10 tsp is 49.2892 ml.
What is 2 US teaspoons in milliliters?
2 US teaspoons — the vanilla in a cake batter — is 9.85784 milliliters. The converter above works for any value, entirely in your browser.
Is the US teaspoon to milliliter conversion exact?
The factor used here is the defined value: 1 tsp = 4.928921594 ml. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.