Convert Milliliter to Deciliter
Convert milliliters to deciliters instantly. 1 milliliter = 0.01 deciliter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Deciliter to Milliliter converter for the reverse conversion.
Units explained
Milliliter
A milliliter is one thousandth of a liter, exactly equal to one cubic centimeter.
Formed with the SI prefix milli- applied to the liter.
The standard small-volume unit in cooking, medicine and the laboratory.
Metric prefix system.
Deciliter
A deciliter is one tenth of a liter (0.0001 m³).
Formed with the SI prefix deci- applied to the liter.
Common in European cooking and clinical measurements.
Metric prefix system.
Milliliter to Deciliter conversion formula
The relationship between milliliters and deciliters:
To convert milliliters to deciliters, multiply the value in milliliters by 0.01. To reverse, multiply deciliters by 100.
How to use this converter
Type a value into the calculator. The result in deciliters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Deciliter to Milliliter converter for the reverse direction.
Step-by-step: convert milliliters to deciliters
- Write down the value in milliliters (mL).
- Multiply that value by the factor 0.01.
- The product is the equivalent value in deciliters (dL).
- To reverse, multiply the deciliter value by 100.
Worked examples
Example 1 — Convert 1 mL to dL:
1 × 0.01 = 0.01 dL
Example 2 — Convert 100 mL to dL:
100 × 0.01 = 1 dL
Real-world example — Plastic-film thickness alternates
A 150-milliliter plastic film converts cleanly to deciliters — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 mL × 0.01 = 1.5 dL
Real-world example — Hair-width scale measurements
A 70-milliliter measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like deciliters for direct comparison across supplier datasheets.
70 mL × 0.01 = 0.7 dL
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 milliliters), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 mL × 0.01 = 0.03 dL
Milliliter to Deciliter conversion table
Standard reference values for converting milliliters to deciliters:
| Milliliter [mL] | Deciliter [dL] |
|---|---|
| 0.01 | 1e-4 |
| 0.1 | 0.001 |
| 1 | 0.01 |
| 2 | 0.02 |
| 3 | 0.03 |
| 4 | 0.04 |
| 5 | 0.05 |
| 10 | 0.1 |
| 20 | 0.2 |
| 30 | 0.3 |
| 40 | 0.4 |
| 50 | 0.5 |
| 100 | 1 |
| 500 | 5 |
| 1000 | 10 |
Frequently asked questions
How many deciliters is 1 milliliter?
How do I convert milliliters to deciliters?
How do I convert deciliters back to milliliters?
How many deciliters is 100 milliliters?
Popular volume unit conversions
Convert Milliliter to other volume units
Show all Milliliter conversions
Metric / SI (13 units)
US Customary (Liquid) (15 units)
US Customary (Dry) (5 units)
Imperial (UK) (14 units)
Cubic (length-derived) (4 units)
Cooking / Culinary (5 units)
Sources & references
Conversion factor (1 mL = 0.01 dL) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.