Free · Volume conversions

Milliliters to Five-Milliliter Teaspoons Conversion Calculator

Convert milliliters to five-milliliter teaspoons with exact unit factors, editable results and an explained example.

Formula & worked example
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Calculator inputs

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How to use this calculator

Enter the known values in the units shown. Results update as you type.
Where results are editable, change one to solve backwards. Lock a value to hold it fixed.
Use the worked example to check the method. Reset restores the starting fields.

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Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.

Formula and method

5 mL = 1 metric teaspoon. The teaspoon option in this model is exactly 5 mL and the tablespoon option is 15 mL. These are metric recipe measures; a US customary teaspoon is approximately 4.92892 mL. Enter a known value in the units shown; editing a result solves the conversion in reverse.

5 mL = 1 metric teaspoon

Worked example

Enter these known values and leave the other values blank.

Volume in milliliters (ml): 5 mL

Volume in U.S. teaspoon (tsp): 1 tsp

Assumptions and limitations

The teaspoon option in this model is exactly 5 mL and the tablespoon option is 15 mL. These are metric recipe measures; a US customary teaspoon is approximately 4.92892 mL.
The worked example uses the starting units. A unit selection preserves the quantity, so check the unit before entering a new number.
Where offered, a metric cup is 250 mL, a US legal cup is 240 mL, and the metric spoon choices are 5 mL and 15 mL. Fluid ounces measure volume rather than mass.

Common questions

Which volume convention does this conversion use?

The teaspoon option in this model is exactly 5 mL and the tablespoon option is 15 mL. These are metric recipe measures; a US customary teaspoon is approximately 4.92892 mL.

How should I use a rounded result?

Keep enough digits for the accuracy of the original measurement. Display rounding changes the visible precision, while the calculation retains additional digits.

References

The US customary cup uses one sixteenth of the exact US liquid gallon, replacing the rounded captured cup volume. The US fluid ounce uses one 128th of the exact US liquid gallon, replacing the rounded captured reciprocal factor. Bookify replaces the captured rounded US gallon with the exact 3.785411784-liter definition.

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