Millilitres to Teaspoons Converter
Convert millilitres to US teaspoons. 1 US teaspoon = 4.929 ml.
Result
0.2 tsp
Understanding Millilitres to Teaspoons
One US teaspoon equals exactly 4.929 millilitres (often rounded to 5ml). This is a fixed conversion because both measure volume. However, UK teaspoons are 5.919ml (about 20% larger), and metric teaspoons are exactly 5ml. Australian teaspoons are also 5ml. The difference between US and UK teaspoons can affect recipes with multiple teaspoon measurements.
When to Use Millilitres to Teaspoons
Need precise liquid measurements? Converting millilitres to teaspoons is useful when working with recipes from different countries. Millilitres are standard in metric countries, while teaspoons are commonly used in American and British recipes. This conversion is essential for medicine dosing, cocktails, and precise flavouring.
Practical Tips
This conversion is most useful for small liquid amounts like vanilla extract, lemon juice, or oil, where the measurement is straightforward. It's also helpful when you have a measuring jug marked in millilitres but need teaspoon equivalents, or when following international recipes. For most purposes, treating 5ml as 1 teaspoon is accurate enough.
Quick Tips
- 1 US teaspoon = 4.929ml (approximately 5ml)
- UK teaspoons are slightly larger at 5.919ml
- Metric teaspoons are exactly 5ml
- This conversion works perfectly for all liquids since both measure volume
Common Mistakes to Avoid
The most common error is assuming all teaspoons are the same size. Using US teaspoons (4.93ml) when a UK recipe calls for teaspoons (5.92ml) would give you 17% less of each ingredient. Another mistake is using household spoons instead of measuring spoons — regular teaspoons vary widely in size and won't give accurate measurements.
When Precision Matters
Precision matters for medicine dosing (always use the provided measuring device), cocktails where flavour balance is critical, and when measuring expensive ingredients like vanilla extract or saffron. For cooking, the difference between 4.93ml and 5ml rarely matters. For baking with leavening agents, consider converting to grams instead.
Quick Reference
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Millilitres to Teaspoons Reference Table
| millilitres | teaspoons |
|---|---|
| 0.25 ml | 0.05 tsp |
| 0.5 ml | 0.1 tsp |
| 1 ml | 0.2 tsp |
| 1.5 ml | 0.3 tsp |
| 2 ml | 0.41 tsp |
| 3 ml | 0.61 tsp |
| 4 ml | 0.81 tsp |
| 5 ml | 1.01 tsp |
| 10 ml | 2.03 tsp |
| 25 ml | 5.07 tsp |
| 50 ml | 10.1 tsp |
| 100 ml | 20.3 tsp |