Convert Ratti to Microgram
Convert rattis to micrograms instantly. 1 ratti = 121500 microgram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Microgram 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.
Microgram
A microgram (ug) equals 10^-9 kilogram, or one-millionth of a gram.
From the SI prefix 'micro-' (from Greek 'mikros', small).
Trace nutrients, potent drug doses, and environmental contaminant levels.
The micro- prefix was incorporated into the SI in 1960.
Ratti to Microgram 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 micrograms:
To convert rattis to micrograms, multiply the value in rattis by 121500. To reverse, multiply micrograms by 8.230453e-6.
How to use this converter
Type a value into the calculator. The result in micrograms updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Microgram to Ratti converter for the reverse direction.
Step-by-step: convert rattis to micrograms
- Write down the value in rattis (ratti).
- Multiply that value by the factor 121500.
- The product is the equivalent value in micrograms (µg).
- To reverse, multiply the microgram value by 8.230453e-6.
Worked examples
Example 1 — Convert 1 ratti to µg:
1 × 121500 = 121500 µg
Example 2 — Convert 100 ratti to µg:
100 × 121500 = 1.215e+7 µg
Real-world example — Infrared to visible-spectrum mapping
A 10-ratti thermal infrared wavelength corresponds to a much larger number in micrograms, the unit favoured for ultraviolet and visible-light specifications.
10 ratti × 121500 = 1214999.9999999998 µg
Real-world example — Mid-micron to nanometer
3 rattis equals 3,000 micrograms — useful when relating mid-infrared wavelengths (typically quoted in microns) to nanometer-scale visible-light wavelength tables.
3 ratti × 121500 = 364499.9999999999 µg
Real-world example — From microns to sub-micron features
One ratti equals one thousand micrograms — the conversion semiconductor designers do constantly when comparing mask feature dimensions to actual transistor gate lengths.
1 ratti × 121500 = 121500 µg
Ratti to Microgram conversion table
Standard reference values for converting rattis to micrograms:
| Ratti [ratti] | Microgram [µg] |
|---|---|
| 0.01 | 1215 |
| 0.1 | 12150 |
| 1 | 121500 |
| 2 | 243000 |
| 3 | 364499.9999999999 |
| 4 | 485999.9999999999 |
| 5 | 607499.9999999999 |
| 10 | 1214999.9999999998 |
| 20 | 2429999.9999999995 |
| 30 | 3644999.9999999995 |
| 40 | 4859999.9999999991 |
| 50 | 6074999.9999999991 |
| 100 | 1.215e+7 |
| 500 | 6.075e+7 |
| 1000 | 1.215e+8 |
Frequently asked questions
How many micrograms is 1 ratti?
How do I convert rattis to micrograms?
How do I convert micrograms back to rattis?
How many micrograms 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 = 121500 µg) 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.