ml to teaspoons | Exact Decimal + Formula
1 Milliliter = 0.202884 US Teaspoon
Milliliters to teaspoons converts metric recipe amounts into US spoons — divide by 4.9289; one US teaspoon is about 5 ml.
About Milliliter and US Teaspoon
Milliliter (mL)
A milliliter equals one cubic centimeter; the standard small volume unit in metric recipes.
Where it's used: International recipes, medicine dosing, and precise liquids.
US Teaspoon (tsp)
A US teaspoon is 1/48 of a cup, about 4.93 milliliters.
Where it's used: Small ingredient amounts and seasoning in recipes.
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Cooking (Volume) Converter
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Formula
tsp = mL × 0.202884137
To convert Milliliter to US Teaspoon, use the formula displayed above.
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Milliliter to US Teaspoon: Quick Reference Table
| Milliliter | US Teaspoon (Decimal) | Fraction |
|---|---|---|
| 0.001 mL | 0.000203 tsp | - |
| 0.01 mL | 0.002029 tsp | - |
| 0.1 mL | 0.020288 tsp | - |
| 0.5 mL | 0.101442 tsp | - |
| 1 mL | 0.202884 tsp | - |
| 2 mL | 0.405768 tsp | - |
| 5 mL | 1.014421 tsp | - |
| 10 mL | 2.028841 tsp | - |
| 25 mL | 5.072103 tsp | - |
| 50 mL | 10.144207 tsp | - |
| 100 mL | 20.288414 tsp | - |
| 250 mL | 50.721034 tsp | - |
| 500 mL | 101.442068 tsp | - |
| 1000 mL | 202.884137 tsp | - |
mL to tsp Formula and Examples
Direct Formula
tsp = mL × 0.202884137 Inverse Formula
mL = tsp × 4.928922 Mental Math Shortcut
Divide the value by roughly 4.9 to quickly estimate the converted result.
Common Milliliter to US Teaspoon Calculations
- 5 mL = 1.014421 tsp
- 10 mL = 2.028841 tsp
- 50 mL = 10.144207 tsp
- 100 mL = 20.288414 tsp
- 500 mL = 101.442068 tsp
Precision & Practical Use
For example, 10 mL = 2.028841 tsp — roughly standard single unit scale.
Results are computed to up to 9 decimal places. Round to the precision of your measuring instrument — for most cooking (volume) applications, 2–3 significant figures are plenty.
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Related Reading
How to Convert Milliliter to US Teaspoon
How many us teaspoons are in one milliliter?
One Milliliter (mL) equals 0.202884 US Teaspoon (tsp). To convert milliliters to us teaspoons, multiply the milliliter value by 0.202884.
How do I convert Milliliter to US Teaspoon?
Multiply your milliliter value by 0.202884 to get the result in US Teaspoon: tsp = mL × 0.202884. For example, 5 mL = 1.014421 tsp.
What is the formula for converting mL to tsp?
The conversion formula is tsp = mL × 0.202884. Use the calculator above for any value, and see the reference table below for common inputs from 0.001 to 1000.
Is there a quick mental estimate for mL to tsp?
Divide the value by roughly 4.9 to quickly estimate the converted result.
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