Convert Milligram to Dekagram
Convert milligrams to dekagrams instantly. 1 milligram = 1e-4 dekagram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dekagram to Milligram converter for the reverse conversion.
Units explained
Milligram
A milligram (mg) equals one-millionth of a kilogram, or 0.001 gram.
From the SI prefix 'milli-' (from Latin 'mille', thousand).
Standard for medicine dosing, nutrition labels, and fine jewelry.
Part of the original metric system of 1795.
Dekagram
A dekagram (dag) equals 0.01 kilogram, or 10 grams.
From the SI prefix 'deka-' (from Greek 'deka', ten).
Widely used in Central and Eastern European cooking and shops (dag/dkg).
Part of the original metric system introduced in 1795.
Milligram to Dekagram conversion formula
The relationship between milligrams and dekagrams:
To convert milligrams to dekagrams, multiply the value in milligrams by 1e-4. To reverse, multiply dekagrams by 10000.
How to use this converter
Type a value into the calculator. The result in dekagrams updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Dekagram to Milligram converter for the reverse direction.
Step-by-step: convert milligrams to dekagrams
- Write down the value in milligrams (mg).
- Multiply that value by the factor 1e-4.
- The product is the equivalent value in dekagrams (dag).
- To reverse, multiply the dekagram value by 10000.
Worked examples
Example 1 — Convert 1 mg to dag:
1 × 1e-4 = 1e-4 dag
Example 2 — Convert 100 mg to dag:
100 × 1e-4 = 0.01 dag
Real-world example — Plastic film and laminate thickness
A 500-milligram sheet is a typical spec for ID-card laminates and film overlays. Converting to dekagrams aligns the value with the unit most CAD systems and material datasheets prefer.
500 mg × 1e-4 = 0.05 dag
Real-world example — Packaging gauge
A 4-milligram plastic bag thickness is a common spec for grocery and freezer bags. Converting from milligrams to dekagrams is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 mg × 1e-4 = 0.0004 dag
Milligram to Dekagram conversion table
Standard reference values for converting milligrams to dekagrams:
| Milligram [mg] | Dekagram [dag] |
|---|---|
| 0.01 | 1e-6 |
| 0.1 | 1e-5 |
| 1 | 1e-4 |
| 2 | 0.0002 |
| 3 | 0.0003 |
| 4 | 0.0004 |
| 5 | 0.0005 |
| 10 | 0.001 |
| 20 | 0.002 |
| 30 | 0.003 |
| 40 | 0.004 |
| 50 | 0.005 |
| 100 | 0.01 |
| 500 | 0.05 |
| 1000 | 0.1 |
Frequently asked questions
How many dekagrams is 1 milligram?
How do I convert milligrams to dekagrams?
How do I convert dekagrams back to milligrams?
How many dekagrams is 100 milligrams?
Popular weight unit conversions
Convert Milligram to other weight units
Show all Milligram conversions
Metric / SI (17 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 mg = 1e-4 dag) 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 Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.