How do you convert teaspoons to milliliters?

To convert teaspoons to milliliters, multiply by 4.928921594. For example, 21 tsp is 103.507353 mL.

How many milliliters are in a teaspoon?

There are 4.928921594 milliliters in one teaspoon.

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Converters · Volume

21 Teaspoons to Milliliters

21 tsp =

103.507353 mL

21 teaspoons equals 103.507353 milliliters

How to convert teaspoons to milliliters

To get milliliters, multiply by 4.928921594.

mL = tsp × 4.928921594

Worked example: 21 × 4.928921594 = 103.507353 mL.

Going the other way, multiply by 0.2028841362 — one milliliter is 0.2028841362 teaspoons.

Values near 21 tsp

Teaspoon	Milliliter
10.5 tsp	51.753677 mL
19 tsp	93.64951 mL
20 tsp	98.578432 mL
22 tsp	108.436275 mL
23 tsp	113.365197 mL
42 tsp	207.014707 mL

Teaspoon to Milliliter — common values

Teaspoon	Milliliter
1 tsp	4.928922 mL
2 tsp	9.857843 mL
3 tsp	14.786765 mL
5 tsp	24.644608 mL
10 tsp	49.289216 mL
25 tsp	123.22304 mL
50 tsp	246.44608 mL
100 tsp	492.892159 mL

Convert Teaspoon to other units

tsp → L tsp → mL tsp → m³ tsp → gal tsp → qt tsp → pt tsp → cup tsp → fl oz tsp → tbsp

← Reverse: Milliliter to Teaspoon

Questions

How do you convert teaspoons to milliliters?: To convert teaspoons to milliliters, multiply by 4.928921594. For example, 21 tsp is 103.507353 mL.
How many milliliters are in a teaspoon?: There are 4.928921594 milliliters in one teaspoon.
How do you convert milliliters back to teaspoons?: Go the other way: multiply by 0.2028841362. One milliliter is 0.2028841362 teaspoons.

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