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Teaspoons to Milliliters Converter (tsp to mL)

Convert teaspoons to milliliters instantly with our free tsp to mL calculator. Enter a value to see the result.

Result1 tsp = 4.92892 mL
⇄ Switch to Milliliters to Teaspoons
Quick answer: 1 teaspoons (tsp) = 4.92892 milliliters (mL).

How to convert teaspoons to milliliters

To change tsp into mL, use this formula:

mL = tsp × 4.92892

Quick mental estimate: multiply by about 4.9.

Example: to convert 25 tsp to mL, calculate 123.223 mL. To go the other way, use tsp = mL ÷ 4.92892.

Popular teaspoons to milliliters conversions

Teaspoons to Milliliters conversion chart

Teaspoons (tsp)Milliliters (mL)
1 tsp4.92892 mL
2 tsp9.85784 mL
5 tsp24.6446 mL
10 tsp49.2892 mL
20 tsp98.5784 mL
25 tsp123.223 mL
50 tsp246.446 mL
75 tsp369.669 mL
100 tsp492.892 mL
250 tsp1,232.23 mL
500 tsp2,464.46 mL
1,000 tsp4,928.92 mL

When do you need tsp to mL conversion?

This conversion is commonly used for cooking, baking, fuel, drinks and science. Different countries and industries use different units, so converting teaspoons to milliliters helps you compare measurements accurately.

Frequently asked questions

How many milliliters are in 1 teaspoons?

1 tsp equals 4.92892 mL.

How do I convert teaspoons to milliliters?

Use the formula mL = tsp × 4.92892. For example, 25 tsp = 123.223 mL.

What is 10 tsp in mL?

10 tsp = 49.2892 mL.

What is 100 tsp in mL?

100 tsp = 492.892 mL.

How do I convert mL back to tsp?

Use tsp = mL ÷ 4.92892. You can also use our Milliliters to Teaspoons converter.

Is this tsp to mL converter accurate?

Yes. It uses standard international conversion factors and shows up to 6 significant digits.

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