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Free teaspoons to ml converter with instant bidirectional conversion. Enter teaspoons to get milliliters, or enter milliliters to get teaspoons. Includes tablespoons and fluid ounces output for faster kitchen conversions.
Last updated: April 16, 2026
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Volume Formulas
ml = tsp x 4.9289215938 and tsp = ml x 0.2028841362
Teaspoons to Milliliters
1 tsp = 4.928922 ml
Formula: 1 x 4.9289215938 = 4.928922 ml
Tablespoons
0.333333 tbsp
Fluid Ounces
0.166667 fl oz
Quick reference
Formula
tsp x 4.9289215938
Uses the standard US teaspoon conversion constant.
Formula
ml x 0.2028841362
Reverse conversion for metric to teaspoon values.
Outputs
tbsp and fl oz
Ideal for cooking and recipe adjustments.
For 5 tsp, the equivalent volume is 24.6446 ml.
Input
5 tsp
Output
24.6446 ml
This teaspoons to ml converter uses standard US culinary conversion constants. The calculator detects which input you edit and computes the equivalent value in real time.
ml = tsp x 4.9289215938tsp = ml x 0.20288413621 tbsp = 3 tsp and 1 fl oz = 6 tspThese relationships are commonly used for recipes, labels, and kitchen measurements.
Result: 12 tsp equals 59.1471 ml
This is also 4 tablespoons or 2 fluid ounces.
Share it with others who need quick teaspoons and milliliters conversions.
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