Convert Ratti to Attogram
Convert rattis to attograms instantly. 1 ratti = 1.215e+17 attogram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Attogram 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.
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.
Ratti to Attogram 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 attograms:
To convert rattis to attograms, multiply the value in rattis by 1.215e+17. To reverse, multiply attograms by 8.230453e-18.
How to use this converter
Type a value into the calculator. The result in attograms updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Attogram to Ratti converter for the reverse direction.
Step-by-step: convert rattis to attograms
- Write down the value in rattis (ratti).
- Multiply that value by the factor 1.215e+17.
- The product is the equivalent value in attograms (ag).
- To reverse, multiply the attogram value by 8.230453e-18.
Worked examples
Example 1 — Convert 1 ratti to ag:
1 × 1.215e+17 = 1.215e+17 ag
Example 2 — Convert 100 ratti to ag:
100 × 1.215e+17 = 1.215e+19 ag
Real-world example — Infrared to visible-spectrum mapping
A 10-ratti thermal infrared wavelength corresponds to a much larger number in attograms, the unit favoured for ultraviolet and visible-light specifications.
10 ratti × 1.215e+17 = 1.215e+18 ag
Real-world example — Mid-micron to nanometer
3 rattis equals 3,000 attograms — useful when relating mid-infrared wavelengths (typically quoted in microns) to nanometer-scale visible-light wavelength tables.
3 ratti × 1.215e+17 = 3.645e+17 ag
Real-world example — From microns to sub-micron features
One ratti equals one thousand attograms — the conversion semiconductor designers do constantly when comparing mask feature dimensions to actual transistor gate lengths.
1 ratti × 1.215e+17 = 1.215e+17 ag
Ratti to Attogram conversion table
Standard reference values for converting rattis to attograms:
| Ratti [ratti] | Attogram [ag] |
|---|---|
| 0.01 | 1.215e+15 |
| 0.1 | 1.215e+16 |
| 1 | 1.215e+17 |
| 2 | 2.43e+17 |
| 3 | 3.645e+17 |
| 4 | 4.86e+17 |
| 5 | 6.075e+17 |
| 10 | 1.215e+18 |
| 20 | 2.43e+18 |
| 30 | 3.645e+18 |
| 40 | 4.86e+18 |
| 50 | 6.075e+18 |
| 100 | 1.215e+19 |
| 500 | 6.075e+19 |
| 1000 | 1.215e+20 |
Frequently asked questions
How many attograms is 1 ratti?
How do I convert rattis to attograms?
How do I convert attograms back to rattis?
How many attograms 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 = 1.215e+17 ag) 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.