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15 Milliliters to Teaspoons

15 milliliters equals 3.04 teaspoons. Use the formula, worked example, and conversion table below to check the math.

15 mL = 3.04 tsp
mL × 0.202884 = tsp
Try: 10 mL to tsp 14 mL to tsp 16 mL to tsp 20 mL to tsp
15 mL is also
15 mL = 0.015 L 15 mL = 0.003963 gal 15 mL = 0.0634 cup 15 mL = 0.5072 fl oz 15 mL = 0.0317 pt 15 mL = 0.0159 qt 15 mL = 1.01 tbsp
mL
3.04 tsp

Step-by-Step Calculation

mL × 0.202884 = tsp
  1. Start with 15 mL
  2. Multiply by 0.202884: 15 × 0.202884 = 3.04
  3. Result: 15 mL = 3.04 tsp

This conversion factor (0.202884) is the same for every milliliter to teaspoon calculation.

Milliliter to Teaspoon Conversion Table

Milliliters (mL) Teaspoons (tsp)
1 mL 0.2029 tsp
2 mL 0.4058 tsp
5 mL 1.01 tsp
10 mL 2.03 tsp
15 mL 3.04 tsp
20 mL 4.06 tsp
25 mL 5.07 tsp
50 mL 10.14 tsp
75 mL 15.22 tsp
100 mL 20.29 tsp
250 mL 50.72 tsp
500 mL 101.44 tsp
1,000 mL 202.88 tsp
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Frequently Asked Questions

15 milliliters equals 3.04 teaspoons.
The formula is: mL × 0.202884 = tsp. See the mL to tsp formula page for worked examples.
Use the teaspoons to milliliters converter. The reverse formula is: tsp × 4.928922 = mL.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (mL × 0.202884 = tsp) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026