Convert Ratti to Tola
Convert rattis to tolas instantly. 1 ratti = 0.0104168419 tola — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Tola 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.
Tola
The tola equals 180 troy grains, about 11.6638 grams (three-eighths of a troy ounce).
From Sanskrit 'tula', meaning a balance or weighing.
The primary unit for gold and silver across India, Pakistan, and Nepal.
Fixed at 180 grains under British India in 1833.
Ratti to Tola 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 tolas:
To convert rattis to tolas, multiply the value in rattis by 0.0104168419. To reverse, multiply tolas by 95.9983851852.
How to use this converter
Type a value into the calculator. The result in tolas updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Tola to Ratti converter for the reverse direction.
Step-by-step: convert rattis to tolas
- Write down the value in rattis (ratti).
- Multiply that value by the factor 0.0104168419.
- The product is the equivalent value in tolas (tola).
- To reverse, multiply the tola value by 95.9983851852.
Worked examples
Example 1 — Convert 1 ratti to tola:
1 × 0.0104168419 = 0.0104168419 tola
Example 2 — Convert 100 ratti to tola:
100 × 0.0104168419 = 1.0416841888 tola
Real-world example — Packaging gauge
A 4-ratti plastic bag thickness is a common spec for grocery and freezer bags. Converting from rattis to tolas is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 ratti × 0.0104168419 = 0.0416673676 tola
Real-world example — Plastic film and laminate thickness
A 500-ratti sheet is a typical spec for ID-card laminates and film overlays. Converting to tolas aligns the value with the unit most CAD systems and material datasheets prefer.
500 ratti × 0.0104168419 = 5.2084209441 tola
Ratti to Tola conversion table
Standard reference values for converting rattis to tolas:
| Ratti [ratti] | Tola [tola] |
|---|---|
| 0.01 | 0.0001041684 |
| 0.1 | 0.0010416842 |
| 1 | 0.0104168419 |
| 2 | 0.0208336838 |
| 3 | 0.0312505257 |
| 4 | 0.0416673676 |
| 5 | 0.0520842094 |
| 10 | 0.1041684189 |
| 20 | 0.2083368378 |
| 30 | 0.3125052566 |
| 40 | 0.4166736755 |
| 50 | 0.5208420944 |
| 100 | 1.0416841888 |
| 500 | 5.2084209441 |
| 1000 | 10.4168418882 |
Frequently asked questions
How many tolas is 1 ratti?
How do I convert rattis to tolas?
How do I convert tolas back to rattis?
How many tolas 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 = 0.0104168419 tola) 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.