Millilitres to Teaspoons

Convert millilitres (mL) to teaspoons (tsp) instantly — with formula and reference table.

mL
tsp

Quick answer: 1 mL = 0.202884 tsp. To convert millilitres to teaspoons, multiply by mL × 0.202884.

Converting millilitres to teaspoons

This converter changes a value in millilitres (mL) into teaspoons (tsp). One millilitre equals 0.202884 tsp. One US teaspoon equals 4.929 millilitres, so converting millilitres to teaspoons means dividing by 4.929. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.

Formula

tsp = mL × 0.202884

Example

Convert 10 mL to tsp: 10 × 0.202884 = 2.028841 tsp.

Millilitres to Teaspoons conversion table

Millilitres (mL)Teaspoons (tsp)
1 mL0.202884 tsp
2 mL0.405768 tsp
3 mL0.608652 tsp
5 mL1.014421 tsp
10 mL2.028841 tsp
20 mL4.057683 tsp
25 mL5.072103 tsp
50 mL10.144207 tsp
100 mL20.288414 tsp

How to use this converter

  1. Enter a value in the millilitres (mL) field.
  2. Read the converted value in teaspoons (tsp) below.
  3. Type into the tsp field instead to convert in reverse, or use the swap button.

Frequently asked questions

How many teaspoons is 5 mL?

5 mL equals about 1 teaspoon.

How do I convert 15 mL to teaspoons?

15 times 0.2029 = 3.04 teaspoons, about one tablespoon.

How many mL in a teaspoon?

1 US teaspoon is 4.929 mL (often rounded to 5 mL).

Last updated: 2026-05-27 Free · No signup · Works offline Suggest an improvement