FreeConverterFree · Private · Online
Volume and capacity

Teaspoons to Milliliters Converter

Convert teaspoons to milliliters instantly. One teaspoon equals exactly 4.928922 milliliters. Type in either box to convert both ways, then use the chart, worked examples and everyday sizes below.

Teaspoons to milliliters calculator

How to convert teaspoons to milliliters

Worked example: convert 48 teaspoons to milliliters. Using milliliters ← teaspoons × 4.928921594, we get 48 × 4.928921594 = 236.58824 ml. To check the result, convert back: 236.58824 ml ÷ 4.928921594 = 48 tsp.

Teaspoons to milliliters chart

Teaspoons (tsp)Milliliters (ml)
1 tsp4.928922 ml
2 tsp9.857843 ml
3 tsp14.78676 ml
4 tsp19.71569 ml
5 tsp24.64461 ml
6 tsp29.57353 ml
8 tsp39.43137 ml
10 tsp49.28922 ml
12 tsp59.14706 ml
15 tsp73.93382 ml
20 tsp98.57843 ml
25 tsp123.223 ml
30 tsp147.8676 ml
40 tsp197.1569 ml
50 tsp246.4461 ml
75 tsp369.6691 ml
100 tsp492.8922 ml
150 tsp739.3382 ml
200 tsp985.7843 ml
250 tsp1,232.23 ml
500 tsp2,464.461 ml
1,000 tsp4,928.922 ml

Milliliters to teaspoons (reverse)

Milliliters (ml)Teaspoons (tsp)
1 ml0.2028841 tsp
2 ml0.4057683 tsp
5 ml1.014421 tsp
10 ml2.028841 tsp
20 ml4.057683 tsp
50 ml10.14421 tsp
100 ml20.28841 tsp
250 ml50.72103 tsp
500 ml101.4421 tsp
1,000 ml202.8841 tsp

About the teaspoon and the milliliter

A US teaspoon is 4.929 milliliters and a third of a tablespoon. Metric recipes often round it to 5 ml. It is the unit for spices, baking powder and vanilla.

A milliliter (millilitre) is one thousandth of a liter and equals one cubic centimeter. It measures medicine, cooking liquids and small drink portions; a teaspoon is about 5 ml.

One teaspoon equals 4.928922 milliliters, which makes the teaspoon the larger unit of the two.

Everyday sizes in teaspoons and milliliters

Everyday example (approximate)In teaspoonsIn milliliters
A teaspoon of medicine1.0144 tsp5 ml
A shot glass8.9269 tsp44 ml
A can of soda72.024 tsp355 ml
A bottle of wine152.16 tsp750 ml
A large water bottle202.88 tsp1,000 ml
A 2-liter soft drink bottle405.77 tsp2,000 ml

Teaspoons to milliliters FAQ

How many milliliters are in one teaspoon?

One teaspoon equals exactly 4.928921594 milliliters. In the other direction, one milliliter equals 0.20288414 teaspoons.

How do I convert teaspoons to milliliters without a calculator?

convert 48 teaspoons to milliliters. Using milliliters ← teaspoons × 4.928921594, we get 48 × 4.928921594 = 236.58824 ml. To check the result, convert back: 236.58824 ml ÷ 4.928921594 = 48 tsp. For a quick estimate, round the factor to 4.9. Then 48 tsp is about 235.2 ml, compared with the exact 236.588 ml (an error of 0.59%). That is close enough for planning, but use the calculator above when the number matters.

What is a teaspoon of medicine in milliliters?

A teaspoon of medicine is about 1.0144 teaspoons, which is 5 milliliters. Treat that as an approximate everyday figure rather than an official measurement.

Are the teaspoons and milliliters the same in every country?

A US teaspoon is 4.929 ml while metric recipes round it to 5 ml; both are used in practice. The milliliter is exactly 0.001 L, or 1 cm³.

Related conversions