Milligram to Dram Converter
Convert Milligram (mg) to Dram (dr) instantly. 1 mg = 0.000564 dr.
Mass Converter
26 units available
1 mg = 0.000564 dr
Formula:
dr = mg × 0.0005643834With your value: 1 mg = 0.00056438 dr
How big is that?
Everyday references on a logarithmic scale, all expressed in milligram so you can sanity-check the result.
Other Milligram to Dram conversions
Milligram to Dram Conversion Table
| Milligram (mg) | Dram (dr) |
|---|---|
| 0.5 | 0.000282 |
| 1 | 0.000564 |
| 2 | 0.001129 |
| 5 | 0.002822 |
| 10 | 0.005644 |
| 15 | 0.008466 |
| 20 | 0.011288 |
| 25 | 0.01411 |
| 50 | 0.028219 |
| 100 | 0.056438 |
| 250 | 0.141096 |
| 500 | 0.282192 |
| 1000 | 0.564383 |
Dram to Milligram Conversion Table
| Dram (dr) | Milligram (mg) |
|---|---|
| 0.5 | 885.922598 |
| 1 | 1,771.845195 |
| 2 | 3,543.690391 |
| 5 | 8,859.225977 |
| 10 | 17,718.451953 |
| 15 | 26,577.67793 |
| 20 | 35,436.903906 |
| 25 | 44,296.129883 |
| 50 | 88,592.259766 |
| 100 | 177,184.519531 |
| 250 | 442,961.298828 |
| 500 | 885,922.597656 |
| 1000 | 1,771,845.195313 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Milligram (mg)
Mass
Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Dram (dr)
Mass
Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Milligram to Dram
To convert from Milligram (mg) to Dram (dr), multiply the value by 0.0005643834.
Formula: dr = mg × 0.0005643834
Reverse: mg = dr × 1,771.8451953125
Step-by-Step Example
- Start with your value in Milligram. For example: 5 mg
- Multiply by the conversion factor: 5 x 0.0005643834
- The result is: 0.002822 dr
About Milligram
The milligram equals one thousandth of a gram and is the standard unit for drug dosage and nutrient quantities.
Common uses: medication dosage, nutrition labels, laboratory work.
About Dram
The dram (dr) is a unit of mass and weight. One dram equals 0.001771845195 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: mass calculations, engineering and science, education.
Frequently Asked Questions
How many Dram are in 1 Milligram?
There are exactly 0.0005643834 Dram in 1 Milligram. This means the conversion factor from Milligram to Dram is 0.0005643834.
What is the formula to convert Milligram to Dram?
The formula to convert Milligram to Dram is: dr = mg × 0.0005643834. For example, to convert 10 Milligram to Dram, you would multiply 10 by 0.0005643834.
What is a Milligram?
The milligram equals one thousandth of a gram and is the standard unit for drug dosage and nutrient quantities.
What is a Dram?
The dram (dr) is a unit of mass and weight. One dram equals 0.001771845195 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Milligram?
The Milligram is commonly used in medication dosage, nutrition labels, laboratory work.
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Milligram to Dram converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/milligram-to-dram