Mass and Weight · Unit Converter

Convert Dram (apothecary/troy) to Dekagram

Convert drams (apothecary/troy) to dekagrams instantly. 1 dram (apothecary/troy) = 0.38879346 dekagram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dekagram to Dram (apothecary/troy) 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

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.

Metric / SI

Dekagram

What is a dekagram?

A dekagram (dag) equals 0.01 kilogram, or 10 grams.

Origin of the dekagram

From the SI prefix 'deka-' (from Greek 'deka', ten).

Where it is used

Widely used in Central and Eastern European cooking and shops (dag/dkg).

When and where it was developed

Part of the original metric system introduced in 1795.

Dram (apothecary/troy) to Dekagram conversion formula

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

1 dr ap = 0.38879346 dag
1 dag = 2.5720597255 dr ap

To convert drams (apothecary/troy) to dekagrams, multiply the value in drams (apothecary/troy) by 0.38879346. To reverse, multiply dekagrams by 2.5720597255.

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 Dram (apothecary/troy) converter for the reverse direction.

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

  1. Write down the value in drams (apothecary/troy) (dr ap).
  2. Multiply that value by the factor 0.38879346.
  3. The product is the equivalent value in dekagrams (dag).
  4. To reverse, multiply the dekagram value by 2.5720597255.

Worked examples

Example 1 — Convert 1 dr ap to dag:
1 × 0.38879346 = 0.38879346 dag

Example 2 — Convert 100 dr ap to dag:
100 × 0.38879346 = 38.879346 dag

Real-world example — Hardware-scale dimensions

A 10-dram (apothecary/troy) fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between drams (apothecary/troy) and dekagrams daily when mixing metric and imperial tools.

10 dr ap × 0.38879346 = 3.8879346 dag

Real-world example — Postcard and small-object dimensions

A postcard is about 5 drams (apothecary/troy) wide. Converting to dekagrams is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 dr ap × 0.38879346 = 1.9439673 dag

Real-world example — Ruler-scale measurements

A 30-dram (apothecary/troy) school ruler converts cleanly to dekagrams — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 dr ap × 0.38879346 = 11.6638038 dag

Dram (apothecary/troy) to Dekagram conversion table

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

Dram (apothecary/troy) [dr ap]Dekagram [dag]
0.010.0038879346
0.10.038879346
10.38879346
20.77758692
31.16638038
41.55517384
51.9439673
103.8879346
207.7758692
3011.6638038
4015.5517384
5019.439673
10038.879346
500194.39673
1000388.79346

Frequently asked questions

How many dekagrams is 1 dram (apothecary/troy)?
1 dram (apothecary/troy) equals 0.38879346 dekagram.
How do I convert drams (apothecary/troy) to dekagrams?
Multiply the value in drams (apothecary/troy) by 0.38879346 to get dekagrams.
How do I convert dekagrams back to drams (apothecary/troy)?
Multiply the value in dekagrams by 2.5720597255, or use the Dekagram to Dram (apothecary/troy) converter.
How many dekagrams is 100 drams (apothecary/troy)?
100 drams (apothecary/troy) equals 38.879346 dekagrams, because 100 × 0.38879346 = 38.879346.

Convert Dram (apothecary/troy) to other weight units

Show all Dram (apothecary/troy) conversions
Metric / SI (18 units)
Dram (apothecary/troy) to Attogram (ag) Dram (apothecary/troy) to Femtogram (fg) Dram (apothecary/troy) to Picogram (pg) Dram (apothecary/troy) to Nanogram (ng) Dram (apothecary/troy) to Microgram (µg) Dram (apothecary/troy) to Milligram (mg) Dram (apothecary/troy) to Centigram (cg) Dram (apothecary/troy) to Decigram (dg) Dram (apothecary/troy) to Gram (g) Dram (apothecary/troy) to Dekagram (dag) Dram (apothecary/troy) to Hectogram (hg) Dram (apothecary/troy) to Kilogram (kg) Dram (apothecary/troy) to Quintal (metric) (q) Dram (apothecary/troy) to Metric Ton (t) Dram (apothecary/troy) to Gigagram (Gg) Dram (apothecary/troy) to Teragram (Tg) Dram (apothecary/troy) to Petagram (Pg) Dram (apothecary/troy) to Exagram (Eg)
Avoirdupois (15 units)
Dram (apothecary/troy) to Grain (gr) Dram (apothecary/troy) to Dram (avoirdupois) (dr) Dram (apothecary/troy) to Ounce (oz) Dram (apothecary/troy) to Pound (lb) Dram (apothecary/troy) to Clove (clove) Dram (apothecary/troy) to Stone (US) (st) Dram (apothecary/troy) to Stone (UK) (st) Dram (apothecary/troy) to Quarter (US) (qr) Dram (apothecary/troy) to Quarter (UK) (qr) Dram (apothecary/troy) to Hundredweight (US) (cwt) Dram (apothecary/troy) to Hundredweight (UK) (cwt) Dram (apothecary/troy) to Wey (wey) Dram (apothecary/troy) to Kilopound (kip) (kip) Dram (apothecary/troy) to Ton (short, US) (sh tn) Dram (apothecary/troy) to Ton (long, UK) (long tn)
Troy & Apothecary (9 units)
Dram (apothecary/troy) to Point (1/100 carat) (pt) Dram (apothecary/troy) to Carat (metric) (ct) Dram (apothecary/troy) to Scruple (apothecary) (s ap) Dram (apothecary/troy) to Pennyweight (dwt) Dram (apothecary/troy) to Momme (mom) Dram (apothecary/troy) to Mace (mace) Dram (apothecary/troy) to Troy Ounce (oz t) Dram (apothecary/troy) to Tael (tael) Dram (apothecary/troy) to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Dram (apothecary/troy) to Ratti (ratti) Dram (apothecary/troy) to Masha (masha) Dram (apothecary/troy) to Tola (tola) Dram (apothecary/troy) to Chittack (Chatank) (chittack) Dram (apothecary/troy) to Seer (Ser) (seer) Dram (apothecary/troy) to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Dram (apothecary/troy) to Electron Mass (rest) (me) Dram (apothecary/troy) to MeV/c2 (MeV/c²) Dram (apothecary/troy) to Muon Mass (mµ) Dram (apothecary/troy) to Atomic Mass Unit (u) Dram (apothecary/troy) to Proton Mass (mp) Dram (apothecary/troy) to Neutron Mass (mn) Dram (apothecary/troy) to Deuteron Mass (md) Dram (apothecary/troy) to Carbon-12 Atom Mass (C-12) Dram (apothecary/troy) to Planck Mass (mP)
Astronomical (4 units)
Dram (apothecary/troy) to Lunar Mass (Moon) (M☾) Dram (apothecary/troy) to Earth's Mass (M⊕) Dram (apothecary/troy) to Jupiter Mass (MJ) Dram (apothecary/troy) to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Dram (apothecary/troy) to Lepton (Biblical Roman) (lepton) Dram (apothecary/troy) to Quadrans (Biblical Roman) (quadrans) Dram (apothecary/troy) to Assarion (Biblical Roman) (assarion) Dram (apothecary/troy) to Gerah (Biblical Hebrew) (gerah) Dram (apothecary/troy) to Drachma (Biblical Greek) (drachma) Dram (apothecary/troy) to Denarius (Biblical Roman) (denarius) Dram (apothecary/troy) to Bekan (Biblical Hebrew) (bekah) Dram (apothecary/troy) to Didrachma (Biblical Greek) (didrachma) Dram (apothecary/troy) to Shekel (Biblical Hebrew) (shekel) Dram (apothecary/troy) to Tetradrachma (Biblical Greek) (tetra) Dram (apothecary/troy) to Mina (Biblical Greek) (mina) Dram (apothecary/troy) to Mina (Biblical Hebrew) (mina) Dram (apothecary/troy) to Talent (Biblical Greek) (talent) Dram (apothecary/troy) to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Dram (apothecary/troy) to Poundal (pdl) Dram (apothecary/troy) to Ton (assay) (US) (AT) Dram (apothecary/troy) to Ton (assay) (UK) (AT) Dram (apothecary/troy) to Kilogram-force square second/meter (hyl) Dram (apothecary/troy) to Slug (slug)

Sources & references

Conversion factor (1 dr ap = 0.38879346 dag) verified against the following authoritative sources:

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