Convert Centigram to Dram (avoirdupois)
Convert centigrams to drams (avoirdupois) instantly. 1 centigram = 0.0056438339 dram (avoirdupois) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dram (avoirdupois) to Centigram converter for the reverse conversion.
Units explained
Centigram
A centigram (cg) equals 0.00001 kilogram, or 0.01 gram.
From the SI prefix 'centi-' (from Latin 'centum', hundred).
Used in pharmacology and analytical chemistry.
Part of the original metric system of 1795.
Dram (avoirdupois)
The avoirdupois dram (dr) equals one-sixteenth of an ounce, about 1.77 grams.
From Greek 'drachma' through Latin 'dragma'.
Historically pharmacy; today occasional cooking and firearms (powder) use.
Defined as 1/256 of the avoirdupois pound.
Centigram to Dram (avoirdupois) conversion formula
The relationship between centigrams and drams (avoirdupois):
To convert centigrams to drams (avoirdupois), multiply the value in centigrams by 0.0056438339. To reverse, multiply drams (avoirdupois) by 177.18452.
How to use this converter
Type a value into the calculator. The result in drams (avoirdupois) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Dram (avoirdupois) to Centigram converter for the reverse direction.
Step-by-step: convert centigrams to drams (avoirdupois)
- Write down the value in centigrams (cg).
- Multiply that value by the factor 0.0056438339.
- The product is the equivalent value in drams (avoirdupois) (dr).
- To reverse, multiply the dram (avoirdupois) value by 177.18452.
Worked examples
Example 1 — Convert 1 cg to dr:
1 × 0.0056438339 = 0.0056438339 dr
Example 2 — Convert 100 cg to dr:
100 × 0.0056438339 = 0.5643833897 dr
Real-world example — Packaging gauge
A 4-centigram plastic bag thickness is a common spec for grocery and freezer bags. Converting from centigrams to drams (avoirdupois) is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 cg × 0.0056438339 = 0.0225753356 dr
Real-world example — Plastic film and laminate thickness
A 500-centigram sheet is a typical spec for ID-card laminates and film overlays. Converting to drams (avoirdupois) aligns the value with the unit most CAD systems and material datasheets prefer.
500 cg × 0.0056438339 = 2.8219169485 dr
Centigram to Dram (avoirdupois) conversion table
Standard reference values for converting centigrams to drams (avoirdupois):
| Centigram [cg] | Dram (avoirdupois) [dr] |
|---|---|
| 0.01 | 5.643834e-5 |
| 0.1 | 0.0005643834 |
| 1 | 0.0056438339 |
| 2 | 0.0112876678 |
| 3 | 0.0169315017 |
| 4 | 0.0225753356 |
| 5 | 0.0282191695 |
| 10 | 0.056438339 |
| 20 | 0.1128766779 |
| 30 | 0.1693150169 |
| 40 | 0.2257533559 |
| 50 | 0.2821916949 |
| 100 | 0.5643833897 |
| 500 | 2.8219169485 |
| 1000 | 5.643833897 |
Frequently asked questions
How many drams (avoirdupois) is 1 centigram?
How do I convert centigrams to drams (avoirdupois)?
How do I convert drams (avoirdupois) back to centigrams?
How many drams (avoirdupois) is 100 centigrams?
Popular weight unit conversions
Convert Centigram to other weight units
Show all Centigram 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 cg = 0.0056438339 dr) 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.