Mass and Weight · Unit Converter

Convert Troy Ounce to Chittack (Chatank)

Convert troy ounces to chittacks (chatank) instantly. 1 troy ounce = 0.5333333242 chittack (chatank) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Chittack (Chatank) to Troy Ounce 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

Troy Ounce

What is a troy ounce?

The troy ounce (ozt) equals about 31.103 grams, one-twelfth of a troy pound.

Origin of the troy ounce

From the Troy system of weights associated with Troyes, France.

Where it is used

The global standard for pricing gold, silver, platinum, and palladium.

When and where it was developed

Established in the medieval Troy system and retained for precious metals.

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.

Troy Ounce 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 troy ounces and chittacks (chatank):

1 oz t = 0.5333333242 chittack
1 chittack = 1.8750000322 oz t

To convert troy ounces to chittacks (chatank), multiply the value in troy ounces by 0.5333333242. To reverse, multiply chittacks (chatank) by 1.8750000322.

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 Troy Ounce converter for the reverse direction.

Step-by-step: convert troy ounces to chittacks (chatank)

  1. Write down the value in troy ounces (oz t).
  2. Multiply that value by the factor 0.5333333242.
  3. The product is the equivalent value in chittacks (chatank) (chittack).
  4. To reverse, multiply the chittack (chatank) value by 1.8750000322.

Worked examples

Example 1 — Convert 1 oz t to chittack:
1 × 0.5333333242 = 0.5333333242 chittack

Example 2 — Convert 100 oz t to chittack:
100 × 0.5333333242 = 53.3333324188 chittack

Real-world example — Postcard and small-object dimensions

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

5 oz t × 0.5333333242 = 2.6666666209 chittack

Real-world example — Ruler-scale measurements

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

30 oz t × 0.5333333242 = 15.9999997256 chittack

Real-world example — Hardware-scale dimensions

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

10 oz t × 0.5333333242 = 5.3333332419 chittack

Troy Ounce to Chittack (Chatank) conversion table

Standard reference values for converting troy ounces to chittacks (chatank):

Troy Ounce [oz t]Chittack (Chatank) [chittack]
0.010.0053333332
0.10.0533333324
10.5333333242
21.0666666484
31.5999999726
42.1333332968
52.6666666209
105.3333332419
2010.6666664838
3015.9999997256
4021.3333329675
5026.6666662094
10053.3333324188
500266.6666620941
1000533.3333241882

Frequently asked questions

How many chittacks (chatank) is 1 troy ounce?
1 troy ounce equals 0.5333333242 chittack (chatank).
How do I convert troy ounces to chittacks (chatank)?
Multiply the value in troy ounces by 0.5333333242 to get chittacks (chatank).
How do I convert chittacks (chatank) back to troy ounces?
Multiply the value in chittacks (chatank) by 1.8750000322, or use the Chittack (Chatank) to Troy Ounce converter.
How many chittacks (chatank) is 100 troy ounces?
100 troy ounces equals 53.3333324188 chittacks (chatank), because 100 × 0.5333333242 = 53.3333324188.

Convert Troy Ounce to other weight units

Show all Troy Ounce conversions
Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (9 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 oz t = 0.5333333242 chittack) verified against the following authoritative sources:

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