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mL ↔ tsp with 4 standards (US cooking, US nutrition, UK, metric), batch conversion, and reference table.
Multi-standard kitchen volume converter · Last reviewed: March 2026
Conversion Settings
Direction
Converter
tsp = ml ÷ 4.92892 (US Cooking (4.929 ml))
Result
Enter a value and press Calculate.
1 tsp (cooking)
4.929 ml
1 tsp (nutrition)
5.000 ml
1 tsp (UK)
5.919 ml
Selected factor
4.92892 ml
US Cooking
Wondering how to convert milliliters (mL) to teaspoons (tsp)? This converter makes it fast and practical. Whether you're in the kitchen or scaling a recipe, switching between mL and tsp can save time and prevent costly measurement mistakes.
Common questions like "How much is 40 mL in teaspoons?" or "What is 10 mL in tsp?" are answered instantly — just enter the value and get your result.
The tool also includes a quick-reference conversion table for the most commonly used amounts. Once you glance at the chart a few times, converting between mL and tsp becomes second nature.
Using the converter is simple: enter the volume in milliliters (mL) and the tool instantly displays the equivalent in teaspoons (tsp) — no manual math required.
💡 Try it: Enter 10 mL and the converter returns 2 tsp. That single example is enough to understand the scale of the conversion.
After a few uses, the mL-to-tsp relationship becomes intuitive. Most users find that regular practice with the tool makes kitchen measurement effortless.
A milliliter (mL) is a metric unit of volume. In the simplest terms: 1 mL = 1 cubic centimeter, which is 1/1,000 of a liter or about 0.061 cubic inches.
The prefix "milli" means 10⁻³ (one thousandth). You'll see milliliters abbreviated as mL, ml, or mℓ — all three represent exactly the same volume.
Because 1 mL = 1 cc (cubic centimeter), the abbreviation cc appears frequently in medical dosages (e.g., injections) and engineering (e.g., engine displacement). Understanding this equivalence makes cross-domain conversions much easier.
A teaspoon (tsp) is a unit of volume used in cooking and measurement. It equals 1/3 of a tablespoon or 1/6 of a fluid ounce, and 1 teaspoon ≈ 4.929 milliliters in most measurement systems.
For nutrition labeling, 1 teaspoon is defined exactly as 5 milliliters — a standardized value that simplifies conversions across recipes and dietary guidelines.
You may encounter teaspoons abbreviated in multiple ways: tsp, t, ts, or tsp — for example, 1 tsp, 1 t, or 1 ts all mean the same thing. Knowing these variations prevents confusion when following international recipes.
Once you're comfortable with mL to tsp, exploring other volume conversions becomes natural. Using multiple tools together makes ingredient measuring significantly more efficient.
A range of volume calculators supports accurate conversions between mL, tsp, and many other units used in everyday cooking — from tablespoons and fluid ounces to cups and liters. These tools are designed for both beginners and experienced cooks.
A quick-reference table for the most popular mL-to-tsp conversions — no calculator needed for these common amounts.
| Milliliters (mL) | Teaspoons (tsp) |
|---|---|
| 0.625 mL | 1/8 tsp |
| 1 mL | 1/5 tsp |
| 1.25 mL | 1/4 tsp |
| 2.5 mL | 1/2 tsp |
| 3.75 mL | 3/4 tsp |
| 5 mL | 1 tsp |
| 10 mL | 2 tsp |
| 15 mL | 3 tsp |
| 20 mL | 4 tsp |
| 25 mL | 5 tsp |
| 30 mL | 6 tsp |
| 40 mL | 8 tsp |