1 US teaspoon = 4.92892 milliliters
Convert US teaspoons to milliliters.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
mL = tsp (US) × 4.92892
Worked through with a real value: 10 US teaspoons = 49.2892 milliliters.
Going the other way: tsp (US) = mL × 0.202884, so 1 milliliter = 0.202884 US teaspoons.
What each unit is
- US teaspoon tsp (US)
- 4.93 millilitres. One third of a US tablespoon. Used for small precise amounts in American recipes.
- milliliter mL
- One thousandth of a litre, the base unit of cooking volume. Liquids and tiny precise amounts are measured in them.
Where these come from
- 1 US teaspoon = 4.92892159375 milliliters
Every other number on this page is computed from those, and each category is pinned to conversions worked out by hand from the units' primary definitions before it ships.
Conversion tables
| US teaspoons (tsp (US)) | milliliters (mL) |
|---|---|
| 1 | 4.92892 |
| 2 | 9.85784 |
| 3 | 14.7868 |
| 4 | 19.7157 |
| 5 | 24.6446 |
| 6 | 29.5735 |
| 7 | 34.5025 |
| 8 | 39.4314 |
| 9 | 44.3603 |
| 10 | 49.2892 |
| 20 | 98.5784 |
| 25 | 123.223 |
| 50 | 246.446 |
| 75 | 369.669 |
| 100 | 492.892 |
| milliliters (mL) | US teaspoons (tsp (US)) |
|---|---|
| 1 | 0.202884 |
| 2 | 0.405768 |
| 3 | 0.608652 |
| 4 | 0.811537 |
| 5 | 1.01442 |
| 6 | 1.2173 |
| 7 | 1.42019 |
| 8 | 1.62307 |
| 9 | 1.82596 |
| 10 | 2.02884 |
| 20 | 4.05768 |
| 25 | 5.0721 |
| 50 | 10.1442 |
| 75 | 15.2163 |
| 100 | 20.2884 |
Questions
How many milliliters are in a US teaspoon?
1 US teaspoon = 4.92892 milliliters.
How do I convert US teaspoons to milliliters?
Use mL = tsp (US) × 4.92892. For example, 10 US teaspoons = 49.2892 milliliters.
How many US teaspoons are in one milliliter?
1 milliliter = 0.202884 US teaspoons.
What is 10 US teaspoons in milliliters?
10 US teaspoons = 49.2892 milliliters.
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