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Teaspoons to ml Converter
One US teaspoon is 4.93 ml, rounded to 5 ml on most measuring spoons.
tsp
4.93ml
Quick:
1 tsp = 4.93 ml
0.02Cups
⅓Tablespoons
1Teaspoons
0.17Fluid ounces
How many ml is a teaspoon?
A US teaspoon holds 4.93 milliliters. Metric measuring spoons round this to 5 ml, and the difference is too small to matter in cooking. Three teaspoons make one tablespoon.
For medicine, always use the dosing cup or syringe that comes with it. Kitchen teaspoons vary in size and are not accurate enough for doses.
ml = teaspoons × 4.929
Example: 2 tsp × 4.929 = 9.9 ml
Example: 2 tsp × 4.929 = 9.9 ml
Teaspoons to ml chart
| Teaspoons | Milliliters |
|---|---|
| ⅛ tsp | 0.62 ml |
| ¼ tsp | 1.23 ml |
| ½ tsp | 2.46 ml |
| ¾ tsp | 3.7 ml |
| 1 tsp | 4.93 ml |
| 1 ½ tsp | 7.39 ml |
| 2 tsp | 9.86 ml |
| 3 tsp | 14.8 ml |
| 4 tsp | 19.7 ml |
| 5 tsp | 24.6 ml |
Frequently asked questions
Is 1 teaspoon 5 ml?
Almost. A US teaspoon is 4.93 ml and metric spoons are 5 ml.
How many ml is ½ teaspoon?
½ teaspoon is about 2.5 ml.
How many teaspoons is 10 ml?
10 ml is about 2 teaspoons.
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Last updated: November 2026. Results are for cooking and baking and are rounded for everyday kitchen use.