Mass and Weight · Unit Converter

Convert Chittack (Chatank) to Grain

Convert chittacks (chatank) to grains instantly. 1 chittack (chatank) = 900.0001543236 grain — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Grain to Chittack (Chatank) 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

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.

Avoirdupois

Grain

What is a grain?

The grain (gr) equals 1/7000 of an avoirdupois pound, about 64.8 milligrams.

Origin of the grain

Based on the nominal mass of a single barley grain.

Where it is used

Ammunition and bullet mass, archery, and historical pharmacy.

When and where it was developed

Standardized through the English avoirdupois system and retained in 1959.

Chittack (Chatank) to Grain 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 chittacks (chatank) and grains:

1 chittack = 900.0001543236 gr
1 gr = 0.0011111109 chittack

To convert chittacks (chatank) to grains, multiply the value in chittacks (chatank) by 900.0001543236. To reverse, multiply grains by 0.0011111109.

How to use this converter

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

Step-by-step: convert chittacks (chatank) to grains

  1. Write down the value in chittacks (chatank) (chittack).
  2. Multiply that value by the factor 900.0001543236.
  3. The product is the equivalent value in grains (gr).
  4. To reverse, multiply the grain value by 0.0011111109.

Worked examples

Example 1 — Convert 1 chittack to gr:
1 × 900.0001543236 = 900.0001543236 gr

Example 2 — Convert 100 chittack to gr:
100 × 900.0001543236 = 90000.0154323607 gr

Real-world example — Adjacent small-scale precision

One chittack (chatank) equals 1,000 grains — the standard sub-millimeter precision conversion that materials engineers use whenever they switch between bulk material thickness specs (larger unit) and surface-finish characteristics (smaller unit).

1 chittack × 900.0001543236 = 900.0001543236 gr

Real-world example — Adjacent metric sub-units

One chittack (chatank) equals 1,000 grains. Engineers move between these scales constantly: PCB feature sizes in the larger unit, wire-bond diameters in the smaller.

1 chittack × 900.0001543236 = 900.0001543236 gr

Chittack (Chatank) to Grain conversion table

Standard reference values for converting chittacks (chatank) to grains:

Chittack (Chatank) [chittack]Grain [gr]
0.019.0000015432
0.190.0000154324
1900.0001543236
21800.0003086472
32700.0004629708
43600.0006172944
54500.000771618
109000.0015432361
2018000.0030864721
3027000.0046297082
4036000.0061729443
5045000.0077161804
10090000.0154323607
500450000.0771618037
1000900000.1543236073

Frequently asked questions

How many grains is 1 chittack (chatank)?
1 chittack (chatank) equals 900.0001543236 grain.
How do I convert chittacks (chatank) to grains?
Multiply the value in chittacks (chatank) by 900.0001543236 to get grains.
How do I convert grains back to chittacks (chatank)?
Multiply the value in grains by 0.0011111109, or use the Grain to Chittack (Chatank) converter.
How many grains is 100 chittacks (chatank)?
100 chittacks (chatank) equals 90000.0154323607 grains, because 100 × 900.0001543236 = 90000.0154323607.

Convert Chittack (Chatank) to other weight units

Show all Chittack (Chatank) conversions
Metric / SI (18 units)
Chittack (Chatank) to Attogram (ag) Chittack (Chatank) to Femtogram (fg) Chittack (Chatank) to Picogram (pg) Chittack (Chatank) to Nanogram (ng) Chittack (Chatank) to Microgram (µg) Chittack (Chatank) to Milligram (mg) Chittack (Chatank) to Centigram (cg) Chittack (Chatank) to Decigram (dg) Chittack (Chatank) to Gram (g) Chittack (Chatank) to Dekagram (dag) Chittack (Chatank) to Hectogram (hg) Chittack (Chatank) to Kilogram (kg) Chittack (Chatank) to Quintal (metric) (q) Chittack (Chatank) to Metric Ton (t) Chittack (Chatank) to Gigagram (Gg) Chittack (Chatank) to Teragram (Tg) Chittack (Chatank) to Petagram (Pg) Chittack (Chatank) to Exagram (Eg)
Avoirdupois (15 units)
Chittack (Chatank) to Grain (gr) Chittack (Chatank) to Dram (avoirdupois) (dr) Chittack (Chatank) to Ounce (oz) Chittack (Chatank) to Pound (lb) Chittack (Chatank) to Clove (clove) Chittack (Chatank) to Stone (US) (st) Chittack (Chatank) to Stone (UK) (st) Chittack (Chatank) to Quarter (US) (qr) Chittack (Chatank) to Quarter (UK) (qr) Chittack (Chatank) to Hundredweight (US) (cwt) Chittack (Chatank) to Hundredweight (UK) (cwt) Chittack (Chatank) to Wey (wey) Chittack (Chatank) to Kilopound (kip) (kip) Chittack (Chatank) to Ton (short, US) (sh tn) Chittack (Chatank) to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Chittack (Chatank) to Point (1/100 carat) (pt) Chittack (Chatank) to Carat (metric) (ct) Chittack (Chatank) to Scruple (apothecary) (s ap) Chittack (Chatank) to Pennyweight (dwt) Chittack (Chatank) to Momme (mom) Chittack (Chatank) to Mace (mace) Chittack (Chatank) to Dram (apothecary/troy) (dr ap) Chittack (Chatank) to Troy Ounce (oz t) Chittack (Chatank) to Tael (tael) Chittack (Chatank) to Pound (troy/apothecary) (lb t)
Indian / South Asian (5 units)
Chittack (Chatank) to Ratti (ratti) Chittack (Chatank) to Masha (masha) Chittack (Chatank) to Tola (tola) Chittack (Chatank) to Seer (Ser) (seer) Chittack (Chatank) to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Chittack (Chatank) to Electron Mass (rest) (me) Chittack (Chatank) to MeV/c2 (MeV/c²) Chittack (Chatank) to Muon Mass (mµ) Chittack (Chatank) to Atomic Mass Unit (u) Chittack (Chatank) to Proton Mass (mp) Chittack (Chatank) to Neutron Mass (mn) Chittack (Chatank) to Deuteron Mass (md) Chittack (Chatank) to Carbon-12 Atom Mass (C-12) Chittack (Chatank) to Planck Mass (mP)
Astronomical (4 units)
Chittack (Chatank) to Lunar Mass (Moon) (M☾) Chittack (Chatank) to Earth's Mass (M⊕) Chittack (Chatank) to Jupiter Mass (MJ) Chittack (Chatank) to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Chittack (Chatank) to Lepton (Biblical Roman) (lepton) Chittack (Chatank) to Quadrans (Biblical Roman) (quadrans) Chittack (Chatank) to Assarion (Biblical Roman) (assarion) Chittack (Chatank) to Gerah (Biblical Hebrew) (gerah) Chittack (Chatank) to Drachma (Biblical Greek) (drachma) Chittack (Chatank) to Denarius (Biblical Roman) (denarius) Chittack (Chatank) to Bekan (Biblical Hebrew) (bekah) Chittack (Chatank) to Didrachma (Biblical Greek) (didrachma) Chittack (Chatank) to Shekel (Biblical Hebrew) (shekel) Chittack (Chatank) to Tetradrachma (Biblical Greek) (tetra) Chittack (Chatank) to Mina (Biblical Greek) (mina) Chittack (Chatank) to Mina (Biblical Hebrew) (mina) Chittack (Chatank) to Talent (Biblical Greek) (talent) Chittack (Chatank) to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Chittack (Chatank) to Poundal (pdl) Chittack (Chatank) to Ton (assay) (US) (AT) Chittack (Chatank) to Ton (assay) (UK) (AT) Chittack (Chatank) to Kilogram-force square second/meter (hyl) Chittack (Chatank) to Slug (slug)

Sources & references

Conversion factor (1 chittack = 900.0001543236 gr) verified against the following authoritative sources:

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