Convert Attogram to Chittack (Chatank)
Convert attograms to chittacks (chatank) instantly. 1 attogram = 1.714706e-20 chittack (chatank) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Chittack (Chatank) to Attogram converter for the reverse conversion.
Units explained
Attogram
An attogram (ag) equals 10^-21 kilogram.
From the SI prefix 'atto-' (from Danish 'atten', eighteen).
Frontier nanoscience and single-molecule mass detection.
The atto- prefix was adopted by the CGPM in 1975.
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.
Attogram 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 attograms and chittacks (chatank):
To convert attograms to chittacks (chatank), multiply the value in attograms by 1.714706e-20. To reverse, multiply chittacks (chatank) by 5.831902e+19.
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 Attogram converter for the reverse direction.
Step-by-step: convert attograms to chittacks (chatank)
- Write down the value in attograms (ag).
- Multiply that value by the factor 1.714706e-20.
- The product is the equivalent value in chittacks (chatank) (chittack).
- To reverse, multiply the chittack (chatank) value by 5.831902e+19.
Worked examples
Example 1 — Convert 1 ag to chittack:
1 × 1.714706e-20 = 1.714706e-20 chittack
Example 2 — Convert 100 ag to chittack:
100 × 1.714706e-20 = 1.714706e-18 chittack
Real-world example — Sub-micron to millimeter
500,000 attograms converts to a small everyday quantity in chittacks (chatank) — useful when relating optical-wavelength specifications to physical mounting hardware.
500000 ag × 1.714706e-20 = 8.573532e-15 chittack
Real-world example — From wavelengths to millimeter-scale objects
A value of one million attograms sounds vast at the atomic scale but converts to a small everyday quantity in chittacks (chatank) — useful when relating optical-wavelength specifications to physical mounting hardware.
1000000 ag × 1.714706e-20 = 1.714706e-14 chittack
Attogram to Chittack (Chatank) conversion table
Standard reference values for converting attograms to chittacks (chatank):
| Attogram [ag] | Chittack (Chatank) [chittack] |
|---|---|
| 0.01 | 1.714706e-22 |
| 0.1 | 1.714706e-21 |
| 1 | 1.714706e-20 |
| 2 | 3.429413e-20 |
| 3 | 5.144119e-20 |
| 4 | 6.858826e-20 |
| 5 | 8.573532e-20 |
| 10 | 1.714706e-19 |
| 20 | 3.429413e-19 |
| 30 | 5.144119e-19 |
| 40 | 6.858826e-19 |
| 50 | 8.573532e-19 |
| 100 | 1.714706e-18 |
| 500 | 8.573532e-18 |
| 1000 | 1.714706e-17 |
Frequently asked questions
How many chittacks (chatank) is 1 attogram?
How do I convert attograms to chittacks (chatank)?
How do I convert chittacks (chatank) back to attograms?
How many chittacks (chatank) is 100 attograms?
Popular weight unit conversions
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Metric / SI (17 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 ag = 1.714706e-20 chittack) 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.