25 mL = 5 tsp
25 ÷ 5 = 5 tsp
Using the selected default volume definition.
🥄 Free conversion calculator
mL to Teaspoons Converter
Convert milliliters into tsp, check the reverse calculation, and learn when each unit standard applies. Built for cooking, food preparation and small measured liquid volumes.
Example with default standard
100 mL20 tsp
Change the unit definition or substance in the live tool. The sample is an illustration, not a one-size-fits-all factor.
Instant two-way conversion
mL to Teaspoons Calculator
Enter any non-negative number. Choose your measurement standard or density if needed, then convert back and forth. Results update as you type.
Choose the correct unit definition
For US/Imperial measurements, select the variant printed on the original package or recipe. For mass, select a realistic density instead.
Enter your amount
Use a whole number or a decimal. Both 7.5 and 7,5 are accepted.
Read the value and the working
Use the shown equation to check the unit factor and avoid copying a rounded figure into later calculations.
Calculated result · tsp20 tsp
Calculation uses the selected definition.
Common values (mL)
Read before using this resultDo not rely on dinnerware teaspoons: actual spoon capacities vary. For medicines, use the supplied device and the label’s milliliter markings.
The unit explained
What Does mL to Teaspoons Mean?
A metric kitchen teaspoon is 5 mL. A US customary teaspoon is approximately 4.9289216 mL. For cooking they are often rounded to the same 5 mL, but a precise measurement should use the selected definition.
Teaspoon volume is useful in everyday cooking, but measuring liquid medication requires a calibrated syringe or device. A casual household spoon should not be used as a dose-measuring tool.
Common conversion trapDo not rely on dinnerware teaspoons: actual spoon capacities vary. For medicines, use the supplied device and the label’s milliliter markings.
Calculation method
mL to Teaspoons Formula and Reverse Formula
mL → tsp
tsp = mL ÷ 5 mL/tsp
Keep the units consistent and avoid rounding the conversion factor in intermediate steps.
tsp → mL
tsp × 5 mL/tsp = mL
Reverse the multiplication or division to check your answer. Use the identical unit definition on both sides.
Why these unit definitions matter
Teaspoon volume is useful in everyday cooking, but measuring liquid medication requires a calibrated syringe or device. A casual household spoon should not be used as a dose-measuring tool.
Metric kitchen teaspoon: 1 tsp corresponds to 5 mL.
US customary teaspoon: 1 US tsp corresponds to 4.92892159 mL.
Step-by-step worked calculation
Worked example: Enter 5 mL and divide by 5 mL per tsp. The answer is 1 tsp. To check the calculation, multiply that result by 5; you return to the original 5 mL, subject only to displayed rounding.
Compare the alternatives: The same 5 mL is 1.01442068 US tsp using US customary teaspoon. The calculator lets you select the exact intended standard; do not mix two standards in one calculation.
The on-page calculator uses the same stated default factor. Small display differences can occur when values are rounded.
Check the math25 mL example 100 mL example 250 mL example 500 mL example 1,000 mL example
Five mL to Teaspoons Worked Examples
These examples cover several common values, including small and large amounts. Each answer follows the same conversion factor and assumptions shown in the equation.
100 mL = 20 tsp
100 ÷ 5 = 20 tsp
Using the selected default volume definition.
250 mL = 50 tsp
250 ÷ 5 = 50 tsp
Using the selected default volume definition.
500 mL = 100 tsp
500 ÷ 5 = 100 tsp
Using the selected default volume definition.
1,000 mL = 200 tsp
1,000 ÷ 5 = 200 tsp
Using the selected default volume definition.
Reverse example
Take 50 tsp. Applying the reverse equation gives approximately 250 mL. The input is recovered when the same definition and density are used.
Does the ingredient change the result?
No. This is a volume-to-volume unit conversion, so water, milk, oil and honey use the same numerical volume factor.
Reference values
mL to Teaspoons Conversion Table (1–1,500 mL)
Browse popular entries below or show every integer from 1 through 1,500 using the interactive chart. The downloadable CSV also includes every value with no missing integers. The table defaults to the first measurement standard; changing that standard updates the interactive results.
| Milliliters | Converted value | Assumptions |
|---|---|---|
| 1 mL | 0.2 tsp | Exact selected definition |
| 5 mL | 1 tsp | Exact selected definition |
| 10 mL | 2 tsp | Exact selected definition |
| 50 mL | 10 tsp | Exact selected definition |
| 100 mL | 20 tsp | Exact selected definition |
| 125 mL | 25 tsp | Exact selected definition |
| 200 mL | 40 tsp | Exact selected definition |
| 240 mL | 48 tsp | Exact selected definition |
| 250 mL | 50 tsp | Exact selected definition |
| 375 mL | 75 tsp | Exact selected definition |
| 400 mL | 80 tsp | Exact selected definition |
| 500 mL | 100 tsp | Exact selected definition |
| 750 mL | 150 tsp | Exact selected definition |
| 1,000 mL | 200 tsp | Exact selected definition |
Popular conversions.
| mL | tsp | Assumption |
|---|
Decimals, values above 1,500 and reverse calculations work in the calculator above.
Practical contexts01 02 03 04
When to Use mL to Teaspoons
Metric teaspoon = 5 mL; US customary teaspoon ≈ 4.928922 mL. Household spoons should not substitute for accurate dosing equipment.
Measuring vanilla extract and water in recipes
For home cooking, a metric teaspoon is commonly 5 mL, while a US customary teaspoon is approximately 4.929 mL.
Converting 2.5 mL and 7.5 mL into kitchen teaspoon fractions
Baking powder and vanilla extract may both be measured by teaspoons, but converting their volumes into grams would require different densities.
Comparing metric and US recipe measurements
If a recipe lists 7.5 mL of vanilla, that is 1.5 metric teaspoons. Use calibrated measuring spoons rather than household cutlery.
Portioning seasoning liquids and extracts
Medicine labels need special care: household teaspoons vary considerably, so use the supplied dosing device and follow the label or pharmacist, not a kitchen spoon.
What the displayed conversion means
Metric teaspoon = 5 mL; US customary teaspoon ≈ 4.928922 mL. Household spoons should not substitute for accurate dosing equipment.
How to check measurement accuracy
Confirm whether the source uses a US customary, Imperial, metric or locally defined serving unit. Keep the same standard in the forward and reverse calculation; compare your answer with a calibrated vessel when preparing a real batch. Decimal precision cannot correct the choice of the wrong national standard.
Frequently asked questions
mL to Teaspoons: FAQs
Answers use the default calculator standard unless another unit definition is named.
How many teaspoons are in 5 mL?
With a metric teaspoon, 5 mL equals exactly one teaspoon.
What is 7.5 mL in teaspoons?
With a 5 mL metric teaspoon, 7.5 mL is 1.5 teaspoons.
Is a teaspoon exactly 5 mL?
A metric kitchen teaspoon is 5 mL; the US customary teaspoon is about 4.929 mL.
How many teaspoons is 30 mL?
With metric teaspoons, 30 mL equals six teaspoons.
Should teaspoons be used to measure medicine?
Use a calibrated oral syringe, dosing cup or other measuring tool supplied with the medicine, not ordinary household spoons.
Editorial transparency
References, Assumptions and Accuracy
This page publishes the factor used and links to independently maintained measurement references. NIST/BIPM define unit relationships; practical density estimates are not presented as precision laboratory data. Ingredient properties, manufacturer packaging and measuring tools can introduce additional uncertainty.
- NIST: Conversion Factors for Volume. Unit definitions, capacity factors and calculation standards.
- NIST: Metric Kitchen Equivalencies. Unit definitions, capacity factors and calculation standards.
- FDA: How to Measure Liquid Medicine. Reference for the distinctions and assumptions used in this guide.
Our methodology describes calculation standards, rounding and test procedures. For updates or a correction, contact [email protected]. Read the measurement disclaimer.
Explore the measurement silo
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Ingredient-specific measurement guides
Flour and packing · Granulated and brown sugar · Milk varieties · Olive oil
Ingredient-specific measurement guides
Flour and packing · Granulated and brown sugar · Milk varieties · Olive oil