Milliliter to US teaspoon Converter
1 ml = 0.202884 tsp — convert instantly with formula and table.
Type a value above and it converts instantly — no button to press, no page reload, and the math runs entirely in your browser.
Quick answer: one milliliter equals 0.202884 US teaspoons. So to convert milliliters to US teaspoons, multiply by 0.20288414.
How to convert milliliters to US teaspoons
US teaspoons = milliliters × 0.2028841362
The milliliter — one cubic centimeter — is the metric unit of medicine doses, beverage cans and recipe liquids.
The US teaspoon is defined as exactly 4.92892159375 ml — one third of a tablespoon — and anchors small quantities in American recipes.
Milliliter to US teaspoon conversion table
| Milliliter (ml) | US teaspoon (tsp) |
|---|---|
| 0.01 ml | 0.002029 tsp |
| 0.1 ml | 0.020288 tsp |
| 0.25 ml | 0.050721 tsp |
| 0.4 ml | 0.081154 tsp |
| 0.75 ml | 0.152163 tsp |
| 1.25 ml | 0.253605 tsp |
| 1.75 ml | 0.355047 tsp |
| 2.5 ml | 0.50721 tsp |
| 3.5 ml | 0.710094 tsp |
| 4.5 ml | 0.912979 tsp |
| 6 ml | 1.2173 tsp |
| 8 ml | 1.6231 tsp |
| 10 ml | 2.0288 tsp |
| 12 ml | 2.4346 tsp |
| 14 ml | 2.8404 tsp |
| 16 ml | 3.2461 tsp |
| 18 ml | 3.6519 tsp |
| 20 ml | 4.0577 tsp |
| 24 ml | 4.8692 tsp |
| 26 ml | 5.275 tsp |
| 30 ml | 6.0865 tsp |
| 35 ml | 7.1009 tsp |
| 45 ml | 9.1298 tsp |
| 55 ml | 11.1586 tsp |
| 65 ml | 13.1875 tsp |
| 75 ml | 15.2163 tsp |
| 85 ml | 17.2452 tsp |
| 95 ml | 19.274 tsp |
| 110 ml | 22.3173 tsp |
| 125 ml | 25.3605 tsp |
| 175 ml | 35.5047 tsp |
| 250 ml | 50.721 tsp |
| 350 ml | 71.0094 tsp |
| 450 ml | 91.2979 tsp |
| 600 ml | 121.7305 tsp |
| 750 ml | 152.1631 tsp |
| 900 ml | 182.5957 tsp |
| 1,500 ml | 304.3262 tsp |
| 2,500 ml | 507.2103 tsp |
| 10,000 ml | 2,028.84 tsp |
Need the opposite direction? Use the US teaspoon to Milliliter converter, or read our complete guide to volume conversions for every formula in one place.
Frequently asked questions
How many US teaspoons are in one milliliter?
One milliliter equals 0.202884 US teaspoons. Multiply any milliliter value by 0.20288414 to get US teaspoons.
What is 10 milliliters in US teaspoons?
10 milliliters equal 2.0288 US teaspoons (10 × 0.202884).
Is the milliliter to us teaspoon conversion exact?
The conversion factor used here (0.2028841362) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.