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Teaspoons to Milliliters Converter (tsp to ml)

1 tsp = 4.928921594 ml. Type any value to convert teaspoons to milliliters.

1 tsp = 4.928921594 ml

Formula: ml = tsp × 4.928921594

Common values
Decimals
In every unit 21 units
Milliliter (ml) 4.928921594 ml
Centiliter (cl) 0.4928921594 cl
Deciliter (dl) 0.04928921594 dl
Liter (l) 0.004928921594 l
Cubic centimeter (cm³) 4.928921594 cm³
Cubic meter (m³) 0.000004928921594 m³
Teaspoon (US) (tsp) 1 tsp
Tablespoon (US) (tbsp) 0.3333333333 tbsp
Fluid ounce (US) (fl oz) 0.1666666667 fl oz
Cup (US) (cup) 0.02083333333 cup
Metric cup (cup (250 ml)) 0.01971568638 cup (250 ml)
Pint (US) (pt) 0.01041666667 pt
Quart (US) (qt) 0.005208333333 qt
Gallon (US) (gal) 0.001302083333 gal
Fluid ounce (UK) (UK fl oz) 0.1734737885 UK fl oz
Pint (UK) (UK pt) 0.008673689423 UK pt
Gallon (UK) (UK gal) 0.001084211178 UK gal
Cubic inch (in³) 0.30078125 in³
Cubic foot (ft³) 0.0001740632234 ft³
Cubic yard (yd³) 0.000006446786051 yd³
Barrel of oil (bbl) 0.00003100198413 bbl

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Teaspoons to milliliters table

Formula: ml = tsp × 4.928921594

Teaspoon (US) (tsp)Milliliter (ml)
0.1 tsp0.4928921594 ml
0.25 tsp1.232230398 ml
0.5 tsp2.464460797 ml
1 tsp4.928921594 ml
2 tsp9.857843188 ml
3 tsp14.78676478 ml
4 tsp19.71568638 ml
5 tsp24.64460797 ml
6 tsp29.57352956 ml
7 tsp34.50245116 ml
8 tsp39.43137275 ml
9 tsp44.36029434 ml
10 tsp49.28921594 ml
12 tsp59.14705913 ml
15 tsp73.93382391 ml
20 tsp98.57843188 ml
25 tsp123.2230398 ml
30 tsp147.8676478 ml
40 tsp197.1568638 ml
50 tsp246.4460797 ml
60 tsp295.7352956 ml
75 tsp369.6691195 ml
100 tsp492.8921594 ml
150 tsp739.3382391 ml
200 tsp985.7843188 ml
250 tsp1,232.230398 ml
500 tsp2,464.460797 ml
1,000 tsp4,928.921594 ml

How to use: Teaspoons to Milliliters

  1. 1 Type the value in teaspoons.
  2. 2 The result in milliliters appears at once – or type in the milliliters field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of volume.

About this tool

Teaspoon (US) (tsp) is a unit of volume (US customary); 1 tsp = 0.000004928921594 m³. Milliliter (ml) is a unit of volume (metric, accepted for use with the SI); 1 ml = 0.000001 m³.

To convert teaspoons to milliliters, multiply the value by 4.928921594 (ml = tsp × 4.928921594). Example: 5 tsp = 24.64460797 ml.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert teaspoons to milliliters?

To convert teaspoons to milliliters, multiply the value by 4.928921594: ml = tsp × 4.928921594. For example 5 tsp = 24.64460797 ml.

What is 1 tsp in milliliters?

1 tsp = 4.928921594 ml. The other way round, 1 ml = 0.2028841362 tsp.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of volume here?

Yes – choose any of the 21 units of volume in the From and To lists, or switch to another measurement at the top.

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