Mass and Weight · Unit Converter

Convert Centigram to Dram (apothecary/troy)

Convert centigrams to drams (apothecary/troy) instantly. 1 centigram = 0.0025720597 dram (apothecary/troy) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dram (apothecary/troy) to Centigram converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Metric / SI

Centigram

What is a centigram?

A centigram (cg) equals 0.00001 kilogram, or 0.01 gram.

Origin of the centigram

From the SI prefix 'centi-' (from Latin 'centum', hundred).

Where it is used

Used in pharmacology and analytical chemistry.

When and where it was developed

Part of the original metric system of 1795.

Troy & Apothecary

Dram (apothecary/troy)

What is a dram (apothecary/troy)?

The apothecary (troy) dram equals one-eighth of a troy ounce, about 3.888 grams.

Origin of the dram (apothecary/troy)

From the apothecaries' system rooted in the Greek 'drachma'.

Where it is used

Historical pharmacy and medicine compounding.

When and where it was developed

Part of the apothecaries' system of weights used through the 19th century.

Centigram to Dram (apothecary/troy) conversion formula

The relationship between centigrams and drams (apothecary/troy):

1 cg = 0.0025720597 dr ap
1 dr ap = 388.79346 cg

To convert centigrams to drams (apothecary/troy), multiply the value in centigrams by 0.0025720597. To reverse, multiply drams (apothecary/troy) by 388.79346.

How to use this converter

Type a value into the calculator. The result in drams (apothecary/troy) 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 (apothecary/troy) to Centigram converter for the reverse direction.

Step-by-step: convert centigrams to drams (apothecary/troy)

  1. Write down the value in centigrams (cg).
  2. Multiply that value by the factor 0.0025720597.
  3. The product is the equivalent value in drams (apothecary/troy) (dr ap).
  4. To reverse, multiply the dram (apothecary/troy) value by 388.79346.

Worked examples

Example 1 — Convert 1 cg to dr ap:
1 × 0.0025720597 = 0.0025720597 dr ap

Example 2 — Convert 100 cg to dr ap:
100 × 0.0025720597 = 0.2572059725 dr ap

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 (apothecary/troy) aligns the value with the unit most CAD systems and material datasheets prefer.

500 cg × 0.0025720597 = 1.2860298627 dr ap

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 (apothecary/troy) is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 cg × 0.0025720597 = 0.0102882389 dr ap

Centigram to Dram (apothecary/troy) conversion table

Standard reference values for converting centigrams to drams (apothecary/troy):

Centigram [cg]Dram (apothecary/troy) [dr ap]
0.012.57206e-5
0.10.000257206
10.0025720597
20.0051441195
30.0077161792
40.0102882389
50.0128602986
100.0257205973
200.0514411945
300.0771617918
400.102882389
500.1286029863
1000.2572059725
5001.2860298627
10002.5720597255

Frequently asked questions

How many drams (apothecary/troy) is 1 centigram?
1 centigram equals 0.0025720597 dram (apothecary/troy).
How do I convert centigrams to drams (apothecary/troy)?
Multiply the value in centigrams by 0.0025720597 to get drams (apothecary/troy).
How do I convert drams (apothecary/troy) back to centigrams?
Multiply the value in drams (apothecary/troy) by 388.79346, or use the Dram (apothecary/troy) to Centigram converter.
How many drams (apothecary/troy) is 100 centigrams?
100 centigrams equals 0.2572059725 drams (apothecary/troy), because 100 × 0.0025720597 = 0.2572059725.

Convert Centigram to other weight units

Show all Centigram conversions
Metric / SI (17 units)
Centigram to Attogram (ag) Centigram to Femtogram (fg) Centigram to Picogram (pg) Centigram to Nanogram (ng) Centigram to Microgram (µg) Centigram to Milligram (mg) Centigram to Decigram (dg) Centigram to Gram (g) Centigram to Dekagram (dag) Centigram to Hectogram (hg) Centigram to Kilogram (kg) Centigram to Quintal (metric) (q) Centigram to Metric Ton (t) Centigram to Gigagram (Gg) Centigram to Teragram (Tg) Centigram to Petagram (Pg) Centigram to Exagram (Eg)
Avoirdupois (15 units)
Centigram to Grain (gr) Centigram to Dram (avoirdupois) (dr) Centigram to Ounce (oz) Centigram to Pound (lb) Centigram to Clove (clove) Centigram to Stone (US) (st) Centigram to Stone (UK) (st) Centigram to Quarter (US) (qr) Centigram to Quarter (UK) (qr) Centigram to Hundredweight (US) (cwt) Centigram to Hundredweight (UK) (cwt) Centigram to Wey (wey) Centigram to Kilopound (kip) (kip) Centigram to Ton (short, US) (sh tn) Centigram to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Centigram to Point (1/100 carat) (pt) Centigram to Carat (metric) (ct) Centigram to Scruple (apothecary) (s ap) Centigram to Pennyweight (dwt) Centigram to Momme (mom) Centigram to Mace (mace) Centigram to Dram (apothecary/troy) (dr ap) Centigram to Troy Ounce (oz t) Centigram to Tael (tael) Centigram to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Centigram to Ratti (ratti) Centigram to Masha (masha) Centigram to Tola (tola) Centigram to Chittack (Chatank) (chittack) Centigram to Seer (Ser) (seer) Centigram to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Centigram to Electron Mass (rest) (me) Centigram to MeV/c2 (MeV/c²) Centigram to Muon Mass (mµ) Centigram to Atomic Mass Unit (u) Centigram to Proton Mass (mp) Centigram to Neutron Mass (mn) Centigram to Deuteron Mass (md) Centigram to Carbon-12 Atom Mass (C-12) Centigram to Planck Mass (mP)
Astronomical (4 units)
Centigram to Lunar Mass (Moon) (M☾) Centigram to Earth's Mass (M⊕) Centigram to Jupiter Mass (MJ) Centigram to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Centigram to Lepton (Biblical Roman) (lepton) Centigram to Quadrans (Biblical Roman) (quadrans) Centigram to Assarion (Biblical Roman) (assarion) Centigram to Gerah (Biblical Hebrew) (gerah) Centigram to Drachma (Biblical Greek) (drachma) Centigram to Denarius (Biblical Roman) (denarius) Centigram to Bekan (Biblical Hebrew) (bekah) Centigram to Didrachma (Biblical Greek) (didrachma) Centigram to Shekel (Biblical Hebrew) (shekel) Centigram to Tetradrachma (Biblical Greek) (tetra) Centigram to Mina (Biblical Greek) (mina) Centigram to Mina (Biblical Hebrew) (mina) Centigram to Talent (Biblical Greek) (talent) Centigram to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Centigram to Poundal (pdl) Centigram to Ton (assay) (US) (AT) Centigram to Ton (assay) (UK) (AT) Centigram to Kilogram-force square second/meter (hyl) Centigram to Slug (slug)

Sources & references

Conversion factor (1 cg = 0.0025720597 dr ap) verified against the following authoritative sources:

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