Volume · Unit Converter

Convert Deciliter to Metric Teaspoon

Convert deciliters to metric teaspoons instantly. 1 deciliter = 20 metric teaspoon — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Metric Teaspoon to Deciliter converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Jaya Christiyan K G, Ph.D.
Volume category 2 min read Published Last reviewed Updated

Units explained

Metric / SI

Deciliter

What is a deciliter?

A deciliter is one tenth of a liter (0.0001 m³).

Origin of the deciliter

Formed with the SI prefix deci- applied to the liter.

Where it is used

Common in European cooking and clinical measurements.

When and where it was developed

Metric prefix system.

Cooking / Culinary

Metric Teaspoon

What is a metric teaspoon?

A metric teaspoon is exactly 5 milliliters.

Origin of the metric teaspoon

Adopted as the standard metric small cooking measure.

Where it is used

Universal in metric recipes and liquid medicine dosing.

When and where it was developed

Metrication.

Deciliter to Metric Teaspoon conversion formula

The relationship between deciliters and metric teaspoons:

1 dL = 20 tsp
1 tsp = 0.05 dL

To convert deciliters to metric teaspoons, multiply the value in deciliters by 20. To reverse, multiply metric teaspoons by 0.05.

How to use this converter

Type a value into the calculator. The result in metric teaspoons updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Metric Teaspoon to Deciliter converter for the reverse direction.

Step-by-step: convert deciliters to metric teaspoons

  1. Write down the value in deciliters (dL).
  2. Multiply that value by the factor 20.
  3. The product is the equivalent value in metric teaspoons (tsp).
  4. To reverse, multiply the metric teaspoon value by 0.05.

Worked examples

Example 1 — Convert 1 dL to tsp:
1 × 20 = 20 tsp

Example 2 — Convert 100 dL to tsp:
100 × 20 = 2000 tsp

Real-world example — Hair-width scale measurements

A 70-deciliter measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like metric teaspoons for direct comparison across supplier datasheets.

70 dL × 20 = 1400 tsp

Real-world example — Paper and film thicknesses

At the thickness of office paper (roughly 3 deciliters), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.

3 dL × 20 = 60 tsp

Real-world example — Plastic-film thickness alternates

A 150-deciliter plastic film converts cleanly to metric teaspoons — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.

150 dL × 20 = 3000 tsp

Deciliter to Metric Teaspoon conversion table

Standard reference values for converting deciliters to metric teaspoons:

Deciliter [dL]Metric Teaspoon [tsp]
0.010.2
0.12
120
240
360
480
5100
10200
20400
30600
40800
501000
1002000
50010000
100020000

Frequently asked questions

How many metric teaspoons is 1 deciliter?
1 deciliter equals 20 metric teaspoon.
How do I convert deciliters to metric teaspoons?
Multiply the value in deciliters by 20 to get metric teaspoons.
How do I convert metric teaspoons back to deciliters?
Multiply the value in metric teaspoons by 0.05, or use the Metric Teaspoon to Deciliter converter.
How many metric teaspoons is 100 deciliters?
100 deciliters equals 2000 metric teaspoons, because 100 × 20 = 2000.

Convert Deciliter to other volume units

Show all Deciliter conversions

Sources & references

Conversion factor (1 dL = 20 tsp) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.