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100 Teaspoons to Millilitres

100 tsp converted to ml. Full working, formula and reference table below.

Category
volume
Input
100 tsp
Output
500
// INPUT01

Teaspoon

// OUTPUT02
500

Millilitre

Factor5
Inverse0.2
Formulaml = tsp × 5
Updated2026-05-25

OTHER AMOUNTS

tsp → ml

Teaspoon to Millilitre Conversion Table

Common teaspoon to millilitre values for quick reference.

TeaspoonMillilitre
15
210
525
1050
25125
50250
100500
2501,250
5002,500
10005,000

When you'd actually use this

Where you'd actually use teaspoon → millilitre in everyday Australian life.

  • Cooking from overseas recipes

    American and British cookbooks rarely use the same volume units as Australian ones.

  • Online shopping

    Product specs from US stores often list volume in imperial units.

  • Travel and fitness apps

    Apps that default to a different region may show volume you need to translate.

Conversion Formula

To convert Teaspoon to Millilitre, multiply the teaspoon value by 5. This factor represents how many millilitre are equivalent to one teaspoon.

Formula

Millilitre = Teaspoon × 5

Inverse (converting back)

Teaspoon = Millilitre × 0.2

How to Convert Teaspoon to Millilitre

Convert teaspoon to millilitre in three steps. The relationship is a single multiplication, so once you know the factor you can do it in your head for round numbers.

  1. Start with your value

    Take the number of teaspoon you want to convert.

  2. Multiply by the factor

    Multiply the value by 5.

  3. Read your answer

    The result is the equivalent in millilitre.

Worked example

10 teaspoon = 50 millilitre

10 × 5 = 50 millilitre.

What is a Teaspoon?

A teaspoon in Australian recipes is 5 millilitres — identical to US and UK metric teaspoons.

Origin

Standardised by the Australian Standards as 5 ml.

Notable uses

  • Recipes
  • Medicine dosing

What is a Millilitre?

A millilitre is one thousandth of a litre, the everyday metric unit for small liquid volumes.

Origin

Part of the original metric system defined in France in 1795.

Notable uses

  • Beverages
  • Medicine dosing
  • Cooking liquids

Frequently Asked Questions