Convert Teaspoons (US) to Milliliters
tsp to mL · volume conversion
What are teaspoons (us) and milliliters?
A US teaspoon is about 4.93 mL, a standard small cooking measure. A milliliter is one-thousandth of a liter, equal to one cubic centimeter. For scale: a standard water bottle holds about 500 mL (17 fl oz), and a US gallon is 3.785 L.
How to convert teaspoons (us) to milliliters
1 tsp = 4.92892 mL. To convert, multiply the number of teaspoons (us) by 4.92892. For example, 5 tsp = 24.6446 mL, and 20 tsp = 98.5784 mL. To go the other way, multiply milliliters by 0.202884 (since 1 mL = 0.202884 tsp).
Teaspoons (US) to Milliliters conversion table
| Teaspoons (US) (tsp) | Milliliters (mL) |
|---|---|
| 1 | 4.92892 |
| 2 | 9.85784 |
| 5 | 24.6446 |
| 10 | 49.2892 |
| 20 | 98.5784 |
| 50 | 246.446 |
| 100 | 492.892 |
FAQ
What is 1 tsp in mL?
1 tsp = 4.92892 mL. To convert any amount, multiply the number of teaspoons (us) by 4.92892.
How do I convert milliliters back to teaspoons (us)?
Go the other way: 1 mL = 0.202884 tsp, so multiply milliliters by 0.202884 to get teaspoons (us).
Is a teaspoons (us) bigger than a milliliter?
Yes — 1 tsp is the larger unit, equal to 4.92892 mL.
Are these volume conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.