Convert Chittack (Chatank) to Pennyweight
Convert chittacks (chatank) to pennyweights instantly. 1 chittack (chatank) = 37.5000016075 pennyweight — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pennyweight to Chittack (Chatank) converter for the reverse conversion.
Units explained
Chittack (Chatank)
The chittack (chatank) equals one-sixteenth of a seer, about 58.3 grams.
A traditional South Asian unit in the seer-based system.
Historical grocery and provisions weighing in India and Bangladesh.
Part of the pre-metric South Asian weight system.
Pennyweight
The pennyweight (dwt) equals one-twentieth of a troy ounce, 24 grains (about 1.555 g).
From the mass of a medieval English silver penny; symbol dwt from 'denarius weight'.
Jewelry making and precious-metal scrap valuation in the US.
Derived from the medieval English coinage system.
Chittack (Chatank) to Pennyweight 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 pennyweights:
To convert chittacks (chatank) to pennyweights, multiply the value in chittacks (chatank) by 37.5000016075. To reverse, multiply pennyweights by 0.0266666655.
How to use this converter
Type a value into the calculator. The result in pennyweights updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pennyweight to Chittack (Chatank) converter for the reverse direction.
Step-by-step: convert chittacks (chatank) to pennyweights
- Write down the value in chittacks (chatank) (chittack).
- Multiply that value by the factor 37.5000016075.
- The product is the equivalent value in pennyweights (dwt).
- To reverse, multiply the pennyweight value by 0.0266666655.
Worked examples
Example 1 — Convert 1 chittack to dwt:
1 × 37.5000016075 = 37.5000016075 dwt
Example 2 — Convert 100 chittack to dwt:
100 × 37.5000016075 = 3750.0001607537 dwt
Real-world example — Hardware-scale dimensions
A 10-chittack (chatank) fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between chittacks (chatank) and pennyweights daily when mixing metric and imperial tools.
10 chittack × 37.5000016075 = 375.0000160754 dwt
Real-world example — Postcard and small-object dimensions
A postcard is about 5 chittacks (chatank) wide. Converting to pennyweights is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 chittack × 37.5000016075 = 187.5000080377 dwt
Real-world example — Ruler-scale measurements
A 30-chittack (chatank) school ruler converts cleanly to pennyweights — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 chittack × 37.5000016075 = 1125.0000482261 dwt
Chittack (Chatank) to Pennyweight conversion table
Standard reference values for converting chittacks (chatank) to pennyweights:
| Chittack (Chatank) [chittack] | Pennyweight [dwt] |
|---|---|
| 0.01 | 0.3750000161 |
| 0.1 | 3.7500001608 |
| 1 | 37.5000016075 |
| 2 | 75.0000032151 |
| 3 | 112.5000048226 |
| 4 | 150.0000064301 |
| 5 | 187.5000080377 |
| 10 | 375.0000160754 |
| 20 | 750.0000321507 |
| 30 | 1125.0000482261 |
| 40 | 1500.0000643015 |
| 50 | 1875.0000803769 |
| 100 | 3750.0001607537 |
| 500 | 18750.0008037687 |
| 1000 | 37500.0016075374 |
Frequently asked questions
How many pennyweights is 1 chittack (chatank)?
How do I convert chittacks (chatank) to pennyweights?
How do I convert pennyweights back to chittacks (chatank)?
How many pennyweights is 100 chittacks (chatank)?
Popular weight unit conversions
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)
Sources & references
Conversion factor (1 chittack = 37.5000016075 dwt) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.