Mass and Weight · Unit Converter

Convert Dram (avoirdupois) to Chittack (Chatank)

Convert drams (avoirdupois) to chittacks (chatank) instantly. 1 dram (avoirdupois) = 0.030381944 chittack (chatank) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Chittack (Chatank) to Dram (avoirdupois) 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

Avoirdupois

Dram (avoirdupois)

What is a dram (avoirdupois)?

The avoirdupois dram (dr) equals one-sixteenth of an ounce, about 1.77 grams.

Origin of the dram (avoirdupois)

From Greek 'drachma' through Latin 'dragma'.

Where it is used

Historically pharmacy; today occasional cooking and firearms (powder) use.

When and where it was developed

Defined as 1/256 of the avoirdupois pound.

Indian / South Asian

Chittack (Chatank)

What is a chittack (chatank)?

The chittack (chatank) equals one-sixteenth of a seer, about 58.3 grams.

Origin of the chittack (chatank)

A traditional South Asian unit in the seer-based system.

Where it is used

Historical grocery and provisions weighing in India and Bangladesh.

When and where it was developed

Part of the pre-metric South Asian weight system.

Dram (avoirdupois) to Chittack (Chatank) 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 (avoirdupois) and chittacks (chatank):

1 dr = 0.030381944 chittack
1 chittack = 32.9142861916 dr

To convert drams (avoirdupois) to chittacks (chatank), multiply the value in drams (avoirdupois) by 0.030381944. To reverse, multiply chittacks (chatank) by 32.9142861916.

How to use this converter

Type a value into the calculator. The result in chittacks (chatank) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Chittack (Chatank) to Dram (avoirdupois) converter for the reverse direction.

Step-by-step: convert drams (avoirdupois) to chittacks (chatank)

  1. Write down the value in drams (avoirdupois) (dr).
  2. Multiply that value by the factor 0.030381944.
  3. The product is the equivalent value in chittacks (chatank) (chittack).
  4. To reverse, multiply the chittack (chatank) value by 32.9142861916.

Worked examples

Example 1 — Convert 1 dr to chittack:
1 × 0.030381944 = 0.030381944 chittack

Example 2 — Convert 100 dr to chittack:
100 × 0.030381944 = 3.0381944004 chittack

Real-world example — Postcard and small-object dimensions

A postcard is about 5 drams (avoirdupois) wide. Converting to chittacks (chatank) is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 dr × 0.030381944 = 0.15190972 chittack

Real-world example — Ruler-scale measurements

A 30-dram (avoirdupois) school ruler converts cleanly to chittacks (chatank) — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 dr × 0.030381944 = 0.9114583201 chittack

Real-world example — Hardware-scale dimensions

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

10 dr × 0.030381944 = 0.30381944 chittack

Dram (avoirdupois) to Chittack (Chatank) conversion table

Standard reference values for converting drams (avoirdupois) to chittacks (chatank):

Dram (avoirdupois) [dr]Chittack (Chatank) [chittack]
0.010.0003038194
0.10.0030381944
10.030381944
20.060763888
30.091145832
40.121527776
50.15190972
100.30381944
200.6076388801
300.9114583201
401.2152777602
501.5190972002
1003.0381944004
50015.1909720019
100030.3819440039

Frequently asked questions

How many chittacks (chatank) is 1 dram (avoirdupois)?
1 dram (avoirdupois) equals 0.030381944 chittack (chatank).
How do I convert drams (avoirdupois) to chittacks (chatank)?
Multiply the value in drams (avoirdupois) by 0.030381944 to get chittacks (chatank).
How do I convert chittacks (chatank) back to drams (avoirdupois)?
Multiply the value in chittacks (chatank) by 32.9142861916, or use the Chittack (Chatank) to Dram (avoirdupois) converter.
How many chittacks (chatank) is 100 drams (avoirdupois)?
100 drams (avoirdupois) equals 3.0381944004 chittacks (chatank), because 100 × 0.030381944 = 3.0381944004.

Convert Dram (avoirdupois) to other weight units

Show all Dram (avoirdupois) conversions
Metric / SI (18 units)
Dram (avoirdupois) to Attogram (ag) Dram (avoirdupois) to Femtogram (fg) Dram (avoirdupois) to Picogram (pg) Dram (avoirdupois) to Nanogram (ng) Dram (avoirdupois) to Microgram (µg) Dram (avoirdupois) to Milligram (mg) Dram (avoirdupois) to Centigram (cg) Dram (avoirdupois) to Decigram (dg) Dram (avoirdupois) to Gram (g) Dram (avoirdupois) to Dekagram (dag) Dram (avoirdupois) to Hectogram (hg) Dram (avoirdupois) to Kilogram (kg) Dram (avoirdupois) to Quintal (metric) (q) Dram (avoirdupois) to Metric Ton (t) Dram (avoirdupois) to Gigagram (Gg) Dram (avoirdupois) to Teragram (Tg) Dram (avoirdupois) to Petagram (Pg) Dram (avoirdupois) to Exagram (Eg)
Avoirdupois (14 units)
Dram (avoirdupois) to Grain (gr) Dram (avoirdupois) to Ounce (oz) Dram (avoirdupois) to Pound (lb) Dram (avoirdupois) to Clove (clove) Dram (avoirdupois) to Stone (US) (st) Dram (avoirdupois) to Stone (UK) (st) Dram (avoirdupois) to Quarter (US) (qr) Dram (avoirdupois) to Quarter (UK) (qr) Dram (avoirdupois) to Hundredweight (US) (cwt) Dram (avoirdupois) to Hundredweight (UK) (cwt) Dram (avoirdupois) to Wey (wey) Dram (avoirdupois) to Kilopound (kip) (kip) Dram (avoirdupois) to Ton (short, US) (sh tn) Dram (avoirdupois) to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Dram (avoirdupois) to Point (1/100 carat) (pt) Dram (avoirdupois) to Carat (metric) (ct) Dram (avoirdupois) to Scruple (apothecary) (s ap) Dram (avoirdupois) to Pennyweight (dwt) Dram (avoirdupois) to Momme (mom) Dram (avoirdupois) to Mace (mace) Dram (avoirdupois) to Dram (apothecary/troy) (dr ap) Dram (avoirdupois) to Troy Ounce (oz t) Dram (avoirdupois) to Tael (tael) Dram (avoirdupois) to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Dram (avoirdupois) to Ratti (ratti) Dram (avoirdupois) to Masha (masha) Dram (avoirdupois) to Tola (tola) Dram (avoirdupois) to Chittack (Chatank) (chittack) Dram (avoirdupois) to Seer (Ser) (seer) Dram (avoirdupois) to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Dram (avoirdupois) to Electron Mass (rest) (me) Dram (avoirdupois) to MeV/c2 (MeV/c²) Dram (avoirdupois) to Muon Mass (mµ) Dram (avoirdupois) to Atomic Mass Unit (u) Dram (avoirdupois) to Proton Mass (mp) Dram (avoirdupois) to Neutron Mass (mn) Dram (avoirdupois) to Deuteron Mass (md) Dram (avoirdupois) to Carbon-12 Atom Mass (C-12) Dram (avoirdupois) to Planck Mass (mP)
Astronomical (4 units)
Dram (avoirdupois) to Lunar Mass (Moon) (M☾) Dram (avoirdupois) to Earth's Mass (M⊕) Dram (avoirdupois) to Jupiter Mass (MJ) Dram (avoirdupois) to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Dram (avoirdupois) to Lepton (Biblical Roman) (lepton) Dram (avoirdupois) to Quadrans (Biblical Roman) (quadrans) Dram (avoirdupois) to Assarion (Biblical Roman) (assarion) Dram (avoirdupois) to Gerah (Biblical Hebrew) (gerah) Dram (avoirdupois) to Drachma (Biblical Greek) (drachma) Dram (avoirdupois) to Denarius (Biblical Roman) (denarius) Dram (avoirdupois) to Bekan (Biblical Hebrew) (bekah) Dram (avoirdupois) to Didrachma (Biblical Greek) (didrachma) Dram (avoirdupois) to Shekel (Biblical Hebrew) (shekel) Dram (avoirdupois) to Tetradrachma (Biblical Greek) (tetra) Dram (avoirdupois) to Mina (Biblical Greek) (mina) Dram (avoirdupois) to Mina (Biblical Hebrew) (mina) Dram (avoirdupois) to Talent (Biblical Greek) (talent) Dram (avoirdupois) to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Dram (avoirdupois) to Poundal (pdl) Dram (avoirdupois) to Ton (assay) (US) (AT) Dram (avoirdupois) to Ton (assay) (UK) (AT) Dram (avoirdupois) to Kilogram-force square second/meter (hyl) Dram (avoirdupois) to Slug (slug)

Sources & references

Conversion factor (1 dr = 0.030381944 chittack) verified against the following authoritative sources:

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