1 tsp = 4.9289 ml
1 US teaspoon (tsp) = 4.9289 Milliliter (ml).
If you want to reverse convert, use Milliliter → US teaspoon. 1 ml = 0.2028850250563 tsp. You can also explore the full Volume converter page for more cross conversions.
Conversion formula
US teaspoon to Milliliter formula: value in ml = value in tsp × 4.9289.
Milliliter to US teaspoon formula: value in tsp = value in ml × 0.2028850250563.
How to convert US teaspoon to Milliliter
To convert US teaspoon to Milliliter, multiply the value in tsp by 4.9289. This gives the result in ml.
For example, 1 tsp = 4.9289 ml and 10 tsp = 49.289 ml.
What is US teaspoon?
US teaspoon (tsp): A US recipe measure with a fixed value. A household spoon may hold a different volume. 1 tsp ≈ 4.9289 mL.
What is Milliliter?
Milliliter (mL): One thousandth of a litre, useful for small containers and precise liquid quantities. 1 mL = 0.001 L.
FAQ
How many milliliter are in 1 us teaspoon?
There are 4.9289 ml in 1 tsp.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert us teaspoon to milliliter?
Multiply the value in tsp by 4.9289 to get the value in ml.
US teaspoon → other Volume units
- 1 us teaspoon = 4.9289E-6 cubic meter
- 1 us teaspoon → cubic centimeter = 4.9289 cubic centimeter
- 1 us teaspoon → cubic millimeter = 4928.9 cubic millimeter
- 1 us teaspoon = 4.9289E-5 hectoliter
- 1 us teaspoon → liter = 0.0049289 liter
- 1 us teaspoon → deciliter = 0.049289 deciliter
- 1 us teaspoon → centiliter = 0.49289 centiliter
- 1 us teaspoon → milliliter = 4.9289 milliliter
- 1 us teaspoon → cubic feet = 0.00017406246075437 cubic feet
- 1 us teaspoon → cubic inch = 0.30077993226853 cubic inch
- 1 us teaspoon = 6.4467578074038E-6 cubic yard
- 1 us teaspoon → us liquid pint = 0.010416631443691 us liquid pint
- 1 us teaspoon → us gallon = 0.0013020782425153 us gallon
- 1 us teaspoon → us tablespoon = 0.33332657063637 us tablespoon
- 1 us teaspoon → us customary cup = 0.020833262887382 us customary cup
- 1 us teaspoon → us liquid quart = 0.0052083102182801 us liquid quart
- 1 us teaspoon → us fluid ounce = 0.16666610309906 us fluid ounce
- 1 us teaspoon → imperial gallon = 0.0010842064279414 imperial gallon
US teaspoon → Milliliter Table
The table below shows common values from US teaspoon to Milliliter and the reverse direction for quick reference.
| tsp | ml | Rounded |
|---|---|---|
| 1 tsp | 4.9289 ml | 4.9289 |
| 2 tsp | 9.8578 ml | 9.8578 |
| 3 tsp | 14.7867 ml | 14.7867 |
| 4 tsp | 19.7156 ml | 19.7156 |
| 5 tsp | 24.6445 ml | 24.6445 |
| 10 tsp | 49.289 ml | 49.2890 |
| 12 tsp | 59.1468 ml | 59.1468 |
| 15 tsp | 73.9335 ml | 73.9335 |
| 20 tsp | 98.578 ml | 98.5780 |
| 25 tsp | 123.2225 ml | 123.2225 |
| 30 tsp | 147.867 ml | 147.8670 |
| 40 tsp | 197.156 ml | 197.1560 |
| 50 tsp | 246.445 ml | 246.4450 |
| 75 tsp | 369.6675 ml | 369.6675 |
| 100 tsp | 492.89 ml | 492.8900 |
| 200 tsp | 985.78 ml | 985.7800 |
| 250 tsp | 1232.225 ml | 1232.2250 |
| 500 tsp | 2464.45 ml | 2464.4500 |
| 750 tsp | 3696.675 ml | 3696.6750 |
| 1000 tsp | 4928.9 ml | 4928.9000 |
| 2500 tsp | 12322.25 ml | 12322.2500 |
| 5000 tsp | 24644.5 ml | 24644.5000 |
| 10000 tsp | 49289 ml | 49289.0000 |
Milliliter → US teaspoon Table
| ml | tsp | Rounded |
|---|---|---|
| 1 ml | 0.2028850250563 tsp | 0.2029 |
| 2 ml | 0.4057700501126 tsp | 0.4058 |
| 3 ml | 0.6086550751689 tsp | 0.6087 |
| 4 ml | 0.8115401002252 tsp | 0.8115 |
| 5 ml | 1.0144251252815 tsp | 1.0144 |
| 10 ml | 2.028850250563 tsp | 2.0289 |
| 12 ml | 2.4346203006756 tsp | 2.4346 |
| 15 ml | 3.0432753758445 tsp | 3.0433 |
| 20 ml | 4.057700501126 tsp | 4.0577 |
| 25 ml | 5.0721256264075 tsp | 5.0721 |
| 30 ml | 6.086550751689 tsp | 6.0866 |
| 40 ml | 8.115401002252 tsp | 8.1154 |
| 50 ml | 10.144251252815 tsp | 10.1443 |
| 75 ml | 15.216376879223 tsp | 15.2164 |
| 100 ml | 20.28850250563 tsp | 20.2885 |
| 200 ml | 40.57700501126 tsp | 40.5770 |
| 250 ml | 50.721256264075 tsp | 50.7213 |
| 500 ml | 101.44251252815 tsp | 101.4425 |
| 750 ml | 152.16376879223 tsp | 152.1638 |
| 1000 ml | 202.8850250563 tsp | 202.8850 |
| 2500 ml | 507.21256264075 tsp | 507.2126 |
| 5000 ml | 1014.4251252815 tsp | 1014.4251 |
| 10000 ml | 2028.850250563 tsp | 2028.8503 |
Milliliter → US teaspoon
The reverse value is 1 ml = 0.2028850250563 tsp.