Mass and Weight · Unit Converter

Convert Dram (apothecary/troy) to Didrachma (Biblical Greek)

Convert drams (apothecary/troy) to didrachmas (biblical greek) instantly. 1 dram (apothecary/troy) = 0.5717550882 didrachma (biblical greek) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Didrachma (Biblical Greek) 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.

Biblical / Ancient

Didrachma (Biblical Greek)

What is a didrachma (biblical greek)?

The didrachma was a two-drachma Greek coin and weight, about 6.8 grams.

Origin of the didrachma (biblical greek)

From Greek 'di' (two) plus 'drachma'.

Where it is used

New Testament temple-tax references and Greek coinage.

When and where it was developed

A standard silver denomination of the Greek world.

Dram (apothecary/troy) to Didrachma (Biblical Greek) conversion formula

Note: this conversion uses a generally accepted modern value. Historical and regional definitions of this unit varied across times and places.

The relationship between drams (apothecary/troy) and didrachmas (biblical greek):

1 dr ap = 0.5717550882 didrachma
1 didrachma = 1.7490006133 dr ap

To convert drams (apothecary/troy) to didrachmas (biblical greek), multiply the value in drams (apothecary/troy) by 0.5717550882. To reverse, multiply didrachmas (biblical greek) by 1.7490006133.

How to use this converter

Type a value into the calculator. The result in didrachmas (biblical greek) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Didrachma (Biblical Greek) to Dram (apothecary/troy) converter for the reverse direction.

Step-by-step: convert drams (apothecary/troy) to didrachmas (biblical greek)

  1. Write down the value in drams (apothecary/troy) (dr ap).
  2. Multiply that value by the factor 0.5717550882.
  3. The product is the equivalent value in didrachmas (biblical greek) (didrachma).
  4. To reverse, multiply the didrachma (biblical greek) value by 1.7490006133.

Worked examples

Example 1 — Convert 1 dr ap to didrachma:
1 × 0.5717550882 = 0.5717550882 didrachma

Example 2 — Convert 100 dr ap to didrachma:
100 × 0.5717550882 = 57.1755088235 didrachma

Real-world example — Ruler-scale measurements

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

30 dr ap × 0.5717550882 = 17.1526526471 didrachma

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 didrachmas (biblical greek) daily when mixing metric and imperial tools.

10 dr ap × 0.5717550882 = 5.7175508824 didrachma

Real-world example — Postcard and small-object dimensions

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

5 dr ap × 0.5717550882 = 2.8587754412 didrachma

Dram (apothecary/troy) to Didrachma (Biblical Greek) conversion table

Standard reference values for converting drams (apothecary/troy) to didrachmas (biblical greek):

Dram (apothecary/troy) [dr ap]Didrachma (Biblical Greek) [didrachma]
0.010.0057175509
0.10.0571755088
10.5717550882
21.1435101765
31.7152652647
42.2870203529
52.8587754412
105.7175508824
2011.4351017647
3017.1526526471
4022.8702035294
5028.5877544118
10057.1755088235
500285.8775441176
1000571.7550882353

Frequently asked questions

How many didrachmas (biblical greek) is 1 dram (apothecary/troy)?
1 dram (apothecary/troy) equals 0.5717550882 didrachma (biblical greek).
How do I convert drams (apothecary/troy) to didrachmas (biblical greek)?
Multiply the value in drams (apothecary/troy) by 0.5717550882 to get didrachmas (biblical greek).
How do I convert didrachmas (biblical greek) back to drams (apothecary/troy)?
Multiply the value in didrachmas (biblical greek) by 1.7490006133, or use the Didrachma (Biblical Greek) to Dram (apothecary/troy) converter.
How many didrachmas (biblical greek) is 100 drams (apothecary/troy)?
100 drams (apothecary/troy) equals 57.1755088235 didrachmas (biblical greek), because 100 × 0.5717550882 = 57.1755088235.

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 = 0.5717550882 didrachma) verified against the following authoritative sources:

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