Instant conversion
Teaspoons To Milliliters Converter
1 US teaspoon = 4.92892 milliliters. Multiply teaspoons by 4.92892.
2.464 ml
Common tsp to ml conversions
| tsp | ml |
|---|---|
| 0.5 | 2.464 |
| 1 | 4.929 |
| 2 | 9.858 |
| 3 | 14.79 |
| 5 | 24.64 |
| 10 | 49.29 |
| 20 | 98.58 |
| 50 | 246.4 |
| 100 | 492.9 |
| 200 | 985.8 |
| 500 | 2464 |
| 1000 | 4929 |
How this conversion works
1 US teaspoon = 4.92892 milliliters. Multiply teaspoons by 4.92892.
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What you are converting
US teaspoon
A US teaspoon is 1/6 fluid ounce, about 4.93 ml. Real-world anchor: a level teaspoon of sugar.
Milliliter
A milliliter is 1/1,000 of a liter. Real-world anchor: a standard medicine cup is often 5 ml.
Why convert and when you would use this
Medicine dosing and baking both ask for teaspoons or ml — convert without guessing.
Rounding and accuracy
Use 2–4 decimal places for everyday tasks; keep more for engineering or lab precision.
Frequently asked questions
How do you convert tsp to ml?
1 US teaspoon = 4.92892 milliliters. Multiply teaspoons by 4.92892.
What is 1 tsp in ml?
1 tsp equals 4.92892 ml.
How do you convert back from ml to tsp?
Use the related ml to tsp page.