Convert Pound (troy/apothecary) to Chittack (Chatank)
Convert pounds (troy/apothecary) to chittacks (chatank) instantly. 1 pound (troy/apothecary) = 6.3999998903 chittack (chatank) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Chittack (Chatank) to Pound (troy/apothecary) converter for the reverse conversion.
Units explained
Pound (troy/apothecary)
The troy (apothecary) pound equals 12 troy ounces, about 373.24 grams.
Named for Troyes, France, a major medieval trade-fair town.
Historical pricing of precious metals; now largely superseded by the troy ounce.
Adopted as the English coinage standard under Henry VIII in 1528.
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.
Pound (troy/apothecary) 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 pounds (troy/apothecary) and chittacks (chatank):
To convert pounds (troy/apothecary) to chittacks (chatank), multiply the value in pounds (troy/apothecary) by 6.3999998903. To reverse, multiply chittacks (chatank) by 0.1562500027.
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 Pound (troy/apothecary) converter for the reverse direction.
Step-by-step: convert pounds (troy/apothecary) to chittacks (chatank)
- Write down the value in pounds (troy/apothecary) (lb t).
- Multiply that value by the factor 6.3999998903.
- The product is the equivalent value in chittacks (chatank) (chittack).
- To reverse, multiply the chittack (chatank) value by 0.1562500027.
Worked examples
Example 1 — Convert 1 lb t to chittack:
1 × 6.3999998903 = 6.3999998903 chittack
Example 2 — Convert 100 lb t to chittack:
100 × 6.3999998903 = 639.9999890259 chittack
Real-world example — Pet and accessory dimensions
A 3-pound (troy/apothecary) dog leash equals a tidy round value in chittacks (chatank). Pet-supply shopping frequently mixes the two units across product specifications.
3 lb t × 6.3999998903 = 19.1999996708 chittack
Real-world example — Fabric and tailoring
One pound (troy/apothecary) of fabric converts to a value in chittacks (chatank) commonly used for seam allowances. Garment patterns frequently switch between the two units on a single instruction sheet.
1 lb t × 6.3999998903 = 6.3999998903 chittack
Real-world example — Body height conversion (reverse direction)
You measure 1.75 pounds (troy/apothecary) tall and need to fill in a gym membership form or medical record that asks for height in chittacks (chatank). This is the most-used everyday length conversion in metric-using countries.
1.75 lb t × 6.3999998903 = 11.199999808 chittack
Pound (troy/apothecary) to Chittack (Chatank) conversion table
Standard reference values for converting pounds (troy/apothecary) to chittacks (chatank):
| Pound (troy/apothecary) [lb t] | Chittack (Chatank) [chittack] |
|---|---|
| 0.01 | 0.0639999989 |
| 0.1 | 0.639999989 |
| 1 | 6.3999998903 |
| 2 | 12.7999997805 |
| 3 | 19.1999996708 |
| 4 | 25.599999561 |
| 5 | 31.9999994513 |
| 10 | 63.9999989026 |
| 20 | 127.9999978052 |
| 30 | 191.9999967078 |
| 40 | 255.9999956104 |
| 50 | 319.9999945129 |
| 100 | 639.9999890259 |
| 500 | 3199.9999451294 |
| 1000 | 6399.9998902588 |
Frequently asked questions
How many chittacks (chatank) is 1 pound (troy/apothecary)?
How do I convert pounds (troy/apothecary) to chittacks (chatank)?
How do I convert chittacks (chatank) back to pounds (troy/apothecary)?
How many chittacks (chatank) is 100 pounds (troy/apothecary)?
Popular weight unit conversions
Convert Pound (troy/apothecary) to other weight units
Show all Pound (troy/apothecary) 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)
Sources & references
Conversion factor (1 lb t = 6.3999998903 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 Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.