Convert Ratti to Pound (troy/apothecary)
Convert rattis to pounds (troy/apothecary) instantly. 1 ratti = 0.0003255263 pound (troy/apothecary) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pound (troy/apothecary) to Ratti converter for the reverse conversion.
Units explained
Ratti
The ratti equals about 0.1215 gram, the smallest traditional South Asian weight.
Based on the seed of the Gunja plant (Abrus precatorius), or 'raktika' in Sanskrit.
Gemstones and gold in Indian and South Asian jewelry.
One of the oldest weight units of the Indian subcontinent, later standardized.
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Historical pricing of precious metals; now largely superseded by the troy ounce.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.
Ratti to Pound (troy/apothecary) 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 rattis and pounds (troy/apothecary):
To convert rattis to pounds (troy/apothecary), multiply the value in rattis by 0.0003255263. To reverse, multiply pounds (troy/apothecary) by 3071.9483259259.
How to use this converter
Type a value into the calculator. The result in pounds (troy/apothecary) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pound (troy/apothecary) to Ratti converter for the reverse direction.
Step-by-step: convert rattis to pounds (troy/apothecary)
- Write down the value in rattis (ratti).
- Multiply that value by the factor 0.0003255263.
- The product is the equivalent value in pounds (troy/apothecary) (lb t).
- To reverse, multiply the pound (troy/apothecary) value by 3071.9483259259.
Worked examples
Example 1 — Convert 1 ratti to lb t:
1 × 0.0003255263 = 0.0003255263 lb t
Example 2 — Convert 100 ratti to lb t:
100 × 0.0003255263 = 0.0325526309 lb t
Real-world example — From microscopic to macroscopic
A million rattis equals exactly one pound (troy/apothecary). This kind of conversion appears in microfluidics, where total channel length is given in pounds (troy/apothecary) but feature widths are in rattis.
1000000 ratti × 0.0003255263 = 325.5263090074 lb t
Real-world example — Macro-scale buildup
A million rattis equals exactly one pound (troy/apothecary) — the conversion that bridges microscale features and macroscale objects in microfluidic, biomedical, and semiconductor packaging design.
1000000 ratti × 0.0003255263 = 325.5263090074 lb t
Real-world example — Quarter-meter measurement reference
A 250,000-ratti length equals 0.25 pounds (troy/apothecary) — useful for comparing supply-chain spec sheets where some lengths are quoted in the smaller unit and some in the larger.
250000 ratti × 0.0003255263 = 81.3815772518 lb t
Ratti to Pound (troy/apothecary) conversion table
Standard reference values for converting rattis to pounds (troy/apothecary):
| Ratti [ratti] | Pound (troy/apothecary) [lb t] |
|---|---|
| 0.01 | 3.255263e-6 |
| 0.1 | 3.255263e-5 |
| 1 | 0.0003255263 |
| 2 | 0.0006510526 |
| 3 | 0.0009765789 |
| 4 | 0.0013021052 |
| 5 | 0.0016276315 |
| 10 | 0.0032552631 |
| 20 | 0.0065105262 |
| 30 | 0.0097657893 |
| 40 | 0.0130210524 |
| 50 | 0.0162763155 |
| 100 | 0.0325526309 |
| 500 | 0.1627631545 |
| 1000 | 0.325526309 |
Frequently asked questions
How many pounds (troy/apothecary) is 1 ratti?
How do I convert rattis to pounds (troy/apothecary)?
How do I convert pounds (troy/apothecary) back to rattis?
How many pounds (troy/apothecary) is 100 rattis?
Popular weight unit conversions
Convert Ratti to other weight units
Show all Ratti 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 ratti = 0.0003255263 lb t) 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.