ML to Teaspoons Converter
Enter the volume in milliliters and choose your teaspoon standard to convert to teaspoons.
Type the volume in milliliters, pick the teaspoon size you want to use, then press Convert.
Common ml to teaspoon conversions
These quick reference values are useful when you just need a ballpark figure. The table assumes level spoons and the most common teaspoon definitions in different regions.
| Teaspoon standard | 1 ml ⇢ tsp | 5 ml ⇢ tsp | 10 ml ⇢ tsp |
|---|---|---|---|
| US teaspoon (≈ 4.93 ml) | ≈ 0.20 tsp | ≈ 1.01 tsp | ≈ 2.03 tsp |
| Metric teaspoon (5 ml) | ≈ 0.20 tsp | ≈ 1.00 tsp | ≈ 2.00 tsp |
| UK teaspoon (≈ 5.9 ml) | ≈ 0.17 tsp | ≈ 0.85 tsp | ≈ 1.69 tsp |
How are milliliters converted to teaspoons
Converting milliliters to teaspoons is a volume-to-volume conversion. Both units measure how much space a liquid takes up, so the important part is how many milliliters fit in one teaspoon for the standard you use:
- US teaspoon: about 4.93 ml per teaspoon
- Metric teaspoon: exactly 5 ml per teaspoon
- UK teaspoon: about 5.9 ml per teaspoon
- 1 tablespoon: 3 teaspoons in most cooking systems
The calculator divides the milliliters you enter by the milliliters-per-teaspoon value for the standard you selected. It then also shows an approximate value in tablespoons so you can match whatever unit your recipe or measuring spoon set is using.
Why different sites give slightly different answers
Some recipes assume a teaspoon is exactly 5 ml, while others use the US definition of about 4.93 ml or the larger UK teaspoon. Online converters may pick different assumptions, so the results can differ a little. This tool lets you choose the standard so you can mirror what your recipe expects.
When to use milliliters vs teaspoons
Teaspoons are convenient when you are working quickly at the counter. Milliliters are more precise and usually better when:
- You follow a metric recipe that lists liquids in ml or liters.
- You are scaling a drink or sauce recipe up or down by an unusual factor.
- You need consistent amounts between batches, such as for cocktails or coffee.
A good compromise is to measure in milliliters with a jug or syringe, then use this calculator to see an approximate teaspoon count if you prefer to think in spoonfuls.
ML to tsp converter: quick FAQ
Why do I need to choose a teaspoon standard?
A “teaspoon” is not exactly the same size everywhere. Many cookbooks assume a 5 ml metric teaspoon, while US recipes often use the slightly smaller US teaspoon and older UK sources a larger spoon. Selecting a standard lets the calculator match what your recipe most likely means.
How accurate is this ml to teaspoons conversion?
Mathematically the conversion is exact for the standard you pick, but in the kitchen things are more approximate. Real spoons vary a bit, and it is easy to slightly overfill or underfill them, so treat the result as a practical guide rather than a laboratory measurement.
What if I just want a simple rule of thumb?
For everyday cooking, you can usually treat 1 teaspoon as 5 ml. That means 5 ml ≈ 1 tsp, 15 ml ≈ 3 tsp (1 tbsp), and 30 ml ≈ 6 tsp (2 tbsp). Use the converter when you need a closer match to US or UK measurements.

