VOLUME CONVERSION
US teaspoon to Milliliter.
Convert us teaspoon (tsp (US)) to milliliter (mL), with the math explained.
1 tsp (US) = 4.928921594 mL
US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
THE MATH, MADE SIMPLE
How to convert us teaspoon to milliliter
Multiply your us teaspoon value by 4.92892159375 to get the equivalent in milliliter. Both units are normalized through the liter.
mL = tsp (US) × 4.92892159410 tsp (US) = 49.2892159375 mL
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
QUICK REFERENCE
tsp (US) to mL conversion table
| US teaspoon (tsp (US)) | Milliliter (mL) |
|---|---|
| 1 tsp (US) | 4.92892159375 mL |
| 2 tsp (US) | 9.8578431875 mL |
| 5 tsp (US) | 24.6446079688 mL |
| 10 tsp (US) | 49.2892159375 mL |
| 20 tsp (US) | 98.578431875 mL |
| 50 tsp (US) | 246.446079688 mL |
| 100 tsp (US) | 492.892159375 mL |
| 500 tsp (US) | 2,464.46079688 mL |
| 1,000 tsp (US) | 4,928.92159375 mL |
About the us teaspoon
The us teaspoon (tsp (US)) is a unit of volume. One us teaspoon equals 0.00492892159375 liter (base unit) in this calculator.
All us teaspoon conversionsAbout the milliliter
The milliliter (mL) is a unit of volume. One milliliter equals 0.001 liter (base unit) in this calculator.
All milliliter conversionsCommon questions
What is 1 tsp (US) in mL?
One us teaspoon equals 4.92892159375 mL. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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