Mass and Weight · Unit Converter

Convert Ounce to Chittack (Chatank)

Convert ounces to chittacks (chatank) instantly. 1 ounce = 0.4861111023 chittack (chatank) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Chittack (Chatank) to 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

Avoirdupois

Ounce

What is a ounce?

The (avoirdupois) ounce (oz) equals one-sixteenth of a pound, about 28.35 grams.

Origin of the ounce

From Latin 'uncia', meaning a twelfth part.

Where it is used

US food portions, postal weights, and boxing weight classes.

When and where it was developed

Standardized as 1/16 of the international pound from 1959.

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.

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 ounces and chittacks (chatank):

1 oz = 0.4861111023 chittack
1 chittack = 2.0571428942 oz

To convert ounces to chittacks (chatank), multiply the value in ounces by 0.4861111023. To reverse, multiply chittacks (chatank) by 2.0571428942.

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 Ounce converter for the reverse direction.

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

  1. Write down the value in ounces (oz).
  2. Multiply that value by the factor 0.4861111023.
  3. The product is the equivalent value in chittacks (chatank) (chittack).
  4. To reverse, multiply the chittack (chatank) value by 2.0571428942.

Worked examples

Example 1 — Convert 1 oz to chittack:
1 × 0.4861111023 = 0.4861111023 chittack

Example 2 — Convert 100 oz to chittack:
100 × 0.4861111023 = 48.6111102347 chittack

Real-world example — Postcard and small-object dimensions

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

5 oz × 0.4861111023 = 2.4305555117 chittack

Real-world example — Ruler-scale measurements

A 30-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 × 0.4861111023 = 14.5833330704 chittack

Real-world example — Hardware-scale dimensions

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

10 oz × 0.4861111023 = 4.8611110235 chittack

Ounce to Chittack (Chatank) conversion table

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

Ounce [oz]Chittack (Chatank) [chittack]
0.010.004861111
0.10.0486111102
10.4861111023
20.9722222047
31.458333307
41.9444444094
52.4305555117
104.8611110235
209.7222220469
3014.5833330704
4019.4444440939
5024.3055551174
10048.6111102347
500243.0555511735
1000486.1111023471

Frequently asked questions

How many chittacks (chatank) is 1 ounce?
1 ounce equals 0.4861111023 chittack (chatank).
How do I convert ounces to chittacks (chatank)?
Multiply the value in ounces by 0.4861111023 to get chittacks (chatank).
How do I convert chittacks (chatank) back to ounces?
Multiply the value in chittacks (chatank) by 2.0571428942, or use the Chittack (Chatank) to Ounce converter.
How many chittacks (chatank) is 100 ounces?
100 ounces equals 48.6111102347 chittacks (chatank), because 100 × 0.4861111023 = 48.6111102347.

Convert Ounce to other weight units

Show all Ounce conversions
Metric / SI (18 units)
Avoirdupois (14 units)
Troy & Apothecary (10 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 = 0.4861111023 chittack) verified against the following authoritative sources:

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