Mass and Weight · Unit Converter

Convert Chittack (Chatank) to Ratti

Convert chittacks (chatank) to rattis instantly. 1 chittack (chatank) = 479.9919341564 ratti — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ratti 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.

Indian / South Asian

Ratti

What is a ratti?

The ratti equals about 0.1215 gram, the smallest traditional South Asian weight.

Origin of the ratti

Based on the seed of the Gunja plant (Abrus precatorius), or 'raktika' in Sanskrit.

Where it is used

Gemstones and gold in Indian and South Asian jewelry.

When and where it was developed

One of the oldest weight units of the Indian subcontinent, later standardized.

Chittack (Chatank) to Ratti 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 rattis:

1 chittack = 479.9919341564 ratti
1 ratti = 0.0020833683 chittack

To convert chittacks (chatank) to rattis, multiply the value in chittacks (chatank) by 479.9919341564. To reverse, multiply rattis by 0.0020833683.

How to use this converter

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

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

  1. Write down the value in chittacks (chatank) (chittack).
  2. Multiply that value by the factor 479.9919341564.
  3. The product is the equivalent value in rattis (ratti).
  4. To reverse, multiply the ratti value by 0.0020833683.

Worked examples

Example 1 — Convert 1 chittack to ratti:
1 × 479.9919341564 = 479.9919341564 ratti

Example 2 — Convert 100 chittack to ratti:
100 × 479.9919341564 = 47999.1934156379 ratti

Real-world example — Adjacent small-scale precision

One chittack (chatank) equals 1,000 rattis — 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 × 479.9919341564 = 479.9919341564 ratti

Real-world example — Adjacent metric sub-units

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

1 chittack × 479.9919341564 = 479.9919341564 ratti

Chittack (Chatank) to Ratti conversion table

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

Chittack (Chatank) [chittack]Ratti [ratti]
0.014.7999193416
0.147.9991934156
1479.9919341564
2959.9838683128
31439.9758024691
41919.9677366255
52399.9596707819
104799.9193415638
209599.8386831276
3014399.7580246914
4019199.6773662551
5023999.5967078189
10047999.1934156379
500239995.9670781893
1000479991.9341563786

Frequently asked questions

How many rattis is 1 chittack (chatank)?
1 chittack (chatank) equals 479.9919341564 ratti.
How do I convert chittacks (chatank) to rattis?
Multiply the value in chittacks (chatank) by 479.9919341564 to get rattis.
How do I convert rattis back to chittacks (chatank)?
Multiply the value in rattis by 0.0020833683, or use the Ratti to Chittack (Chatank) converter.
How many rattis is 100 chittacks (chatank)?
100 chittacks (chatank) equals 47999.1934156379 rattis, because 100 × 479.9919341564 = 47999.1934156379.

Convert Chittack (Chatank) to other weight units

Show all Chittack (Chatank) conversions
Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (5 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 chittack = 479.9919341564 ratti) verified against the following authoritative sources:

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