Convert teaspoons to milliliters
1 tsp = 4.928922 ml. Change the amount below, or read the formula and the reference table further down.
1 teaspoon equals
milliliters
1 tsp = 4.928922 ml
The formula
Teaspoons and milliliters both measure volume from the same zero, so a single multiplier does the job.
ml = tsp × 4.92892159
Going the other way? Convert milliliters to teaspoons.
Teaspoons to milliliters table
Common values, rounded for reading.
| Teaspoons (tsp) | Milliliters (ml) |
|---|---|
| 1 | 4.9289 |
| 2 | 9.8578 |
| 3 | 14.7868 |
| 4 | 19.7157 |
| 5 | 24.6446 |
| 6 | 29.5735 |
| 7 | 34.5025 |
| 8 | 39.4314 |
| 9 | 44.3603 |
| 10 | 49.2892 |
| 15 | 73.9338 |
| 20 | 98.5784 |
| 25 | 123.22 |
| 30 | 147.87 |
| 40 | 197.16 |
| 50 | 246.45 |
| 75 | 369.67 |
| 100 | 492.89 |
| 250 | 1,232.23 |
| 500 | 2,464.46 |
| 1,000 | 4,928.92 |
Questions people ask
- How many milliliters are in a teaspoon?
- One teaspoon equals 4.92892159 milliliters.
- How do I convert teaspoons to milliliters by hand?
- Multiply the number of teaspoons by 4.92892159. For a rough check, 4.9 is close enough for most everyday use.
- What is 1 teaspoon in milliliters?
- 1 teaspoon is 4.928922 milliliters.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.