TSP to ML Converter
Type a value in teaspoons to see it in milliliters as you type, with the exact formula and a reference chart.
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- Liters
- 0.0049289 L
How this was calculated
- 1 teaspoon = 4.928921594 milliliters
- 1 × 4.928921594 = 4.9289216 ml
| tsp | ml |
|---|---|
| 0.125 tsp | 0.616115 ml |
| 0.25 tsp | 1.23223 ml |
| 0.5 tsp | 2.46446 ml |
| 0.75 tsp | 3.69669 ml |
| 1 tsp | 4.92892 ml |
| 1.5 tsp | 7.39338 ml |
| 2 tsp | 9.85784 ml |
| 2.5 tsp | 12.3223 ml |
| 3 tsp | 14.7868 ml |
| 4 tsp | 19.7157 ml |
| 5 tsp | 24.6446 ml |
| 6 tsp | 29.5735 ml |
| 8 tsp | 39.4314 ml |
| 10 tsp | 49.2892 ml |
| 12 tsp | 59.1471 ml |
| ml | tsp |
|---|---|
| 1 ml | 0.202884 tsp |
| 1.25 ml | 0.253605 tsp |
| 2 ml | 0.405768 tsp |
| 2.5 ml | 0.50721 tsp |
| 3 ml | 0.608652 tsp |
| 4 ml | 0.811537 tsp |
| 5 ml | 1.01442 tsp |
| 6 ml | 1.2173 tsp |
| 7.5 ml | 1.52163 tsp |
| 8 ml | 1.62307 tsp |
| 10 ml | 2.02884 tsp |
| 12 ml | 2.43461 tsp |
How to convert teaspoons to milliliters
1 teaspoon = 4.928921594 milliliters. To convert teaspoons to milliliters, multiply by 4.928921594. A US teaspoon is one sixth of a fluid ounce, about 4.93 ml. A milliliter is one thousandth of a liter, the same as one cubic centimeter.
Worked examples
- 0.5 teaspoons = 2.46446 ml (0.5 × 4.9289216)
- 1 teaspoon = 4.92892 ml (1 × 4.9289216)
- 3 teaspoons = 14.7868 ml (3 × 4.9289216)
Where this conversion comes up
Teaspoons are used for baking, spices and liquid medicine; milliliters for medicine doses, drinks, perfume and recipes outside the US. One US teaspoon is 4.929 ml; a metric teaspoon is a round 5 ml. 1/4 tsp is 1.23 ml and 3 tsp make a tablespoon (14.8 ml).
Quick estimate
Multiply by 5 (1.4% high).
Common mistakes
- Dividing instead of multiplying. A milliliter is smaller than a teaspoon, so the number of milliliters must come out larger: 0.5 teaspoons = 2.46446 ml.
- Rounding too early. Keep the full factor until the last step; rounding 4.93 to 4.9 first puts large values noticeably off.
Going the other way? Use the ml to tsp converter. Related volume converters: ml to oz, oz to ml, liters to gallons, gallons to liters, liters to quarts, quarts to liters.
Frequently asked questions
How do you convert teaspoons to milliliters?
Multiply the teaspoons by 4.928921594. For example, 1 teaspoon is 4.92892 milliliters.
How many milliliters are in one teaspoon?
One teaspoon is 4.928921594 milliliters. A US teaspoon is one sixth of a fluid ounce, about 4.93 ml.
What is 3 teaspoons in milliliters?
3 teaspoons is 14.7868 milliliters.
Is there a quick way to estimate teaspoons to milliliters?
Multiply by 5 (1.4% high).