Mass and Weight · Unit Converter

Convert Ratti to Wey

Convert rattis to weys instantly. 1 ratti = 1.062943e-6 wey — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Wey to Ratti converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Indian / South Asian

Ratti

What is a ratti?

The ratti equals about 0.1215 gram, the smallest traditional South Asian weight.

Origin of the ratti

Based on the seed of the Gunja plant (Abrus precatorius), or 'raktika' in Sanskrit.

Where it is used

Gemstones and gold in Indian and South Asian jewelry.

When and where it was developed

One of the oldest weight units of the Indian subcontinent, later standardized.

Avoirdupois

Wey

What is a wey?

The wey was an English bulk weight, here taken as 252 pounds (about 114.3 kg).

Origin of the wey

From Old English 'waege', a weighing or balance.

Where it is used

Obsolete English unit for wool, cheese, and salt.

When and where it was developed

Used in medieval and early-modern English trade.

Ratti to Wey 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 weys:

1 ratti = 1.062943e-6 wey
1 wey = 940784.1748148148 ratti

To convert rattis to weys, multiply the value in rattis by 1.062943e-6. To reverse, multiply weys by 940784.1748148148.

How to use this converter

Type a value into the calculator. The result in weys updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Wey to Ratti converter for the reverse direction.

Step-by-step: convert rattis to weys

  1. Write down the value in rattis (ratti).
  2. Multiply that value by the factor 1.062943e-6.
  3. The product is the equivalent value in weys (wey).
  4. To reverse, multiply the wey value by 940784.1748148148.

Worked examples

Example 1 — Convert 1 ratti to wey:
1 × 1.062943e-6 = 1.062943e-6 wey

Example 2 — Convert 100 ratti to wey:
100 × 1.062943e-6 = 0.0001062943 wey

Real-world example — Hair-width scale measurements

A 70-ratti measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like weys for direct comparison across supplier datasheets.

70 ratti × 1.062943e-6 = 7.440601e-5 wey

Real-world example — Paper and film thicknesses

At the thickness of office paper (roughly 3 rattis), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.

3 ratti × 1.062943e-6 = 3.188829e-6 wey

Real-world example — Plastic-film thickness alternates

A 150-ratti plastic film converts cleanly to weys — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.

150 ratti × 1.062943e-6 = 0.0001594415 wey

Ratti to Wey conversion table

Standard reference values for converting rattis to weys:

Ratti [ratti]Wey [wey]
0.011.062943e-8
0.11.062943e-7
11.062943e-6
22.125886e-6
33.188829e-6
44.251772e-6
55.314715e-6
101.062943e-5
202.125886e-5
303.188829e-5
404.251772e-5
505.314715e-5
1000.0001062943
5000.0005314715
10000.001062943

Frequently asked questions

How many weys is 1 ratti?
1 ratti equals 1.062943e-6 wey.
How do I convert rattis to weys?
Multiply the value in rattis by 1.062943e-6 to get weys.
How do I convert weys back to rattis?
Multiply the value in weys by 940784.1748148148, or use the Wey to Ratti converter.
How many weys is 100 rattis?
100 rattis equals 0.0001062943 weys, because 100 × 1.062943e-6 = 0.0001062943.

Convert Ratti to other weight units

Show all Ratti conversions
Metric / SI (18 units)
Ratti to Attogram (ag) Ratti to Femtogram (fg) Ratti to Picogram (pg) Ratti to Nanogram (ng) Ratti to Microgram (µg) Ratti to Milligram (mg) Ratti to Centigram (cg) Ratti to Decigram (dg) Ratti to Gram (g) Ratti to Dekagram (dag) Ratti to Hectogram (hg) Ratti to Kilogram (kg) Ratti to Quintal (metric) (q) Ratti to Metric Ton (t) Ratti to Gigagram (Gg) Ratti to Teragram (Tg) Ratti to Petagram (Pg) Ratti to Exagram (Eg)
Avoirdupois (15 units)
Ratti to Grain (gr) Ratti to Dram (avoirdupois) (dr) Ratti to Ounce (oz) Ratti to Pound (lb) Ratti to Clove (clove) Ratti to Stone (US) (st) Ratti to Stone (UK) (st) Ratti to Quarter (US) (qr) Ratti to Quarter (UK) (qr) Ratti to Hundredweight (US) (cwt) Ratti to Hundredweight (UK) (cwt) Ratti to Wey (wey) Ratti to Kilopound (kip) (kip) Ratti to Ton (short, US) (sh tn) Ratti to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Ratti to Point (1/100 carat) (pt) Ratti to Carat (metric) (ct) Ratti to Scruple (apothecary) (s ap) Ratti to Pennyweight (dwt) Ratti to Momme (mom) Ratti to Mace (mace) Ratti to Dram (apothecary/troy) (dr ap) Ratti to Troy Ounce (oz t) Ratti to Tael (tael) Ratti to Pound (troy/apothecary) (lb t)
Indian / South Asian (5 units)
Ratti to Masha (masha) Ratti to Tola (tola) Ratti to Chittack (Chatank) (chittack) Ratti to Seer (Ser) (seer) Ratti to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Ratti to Electron Mass (rest) (me) Ratti to MeV/c2 (MeV/c²) Ratti to Muon Mass (mµ) Ratti to Atomic Mass Unit (u) Ratti to Proton Mass (mp) Ratti to Neutron Mass (mn) Ratti to Deuteron Mass (md) Ratti to Carbon-12 Atom Mass (C-12) Ratti to Planck Mass (mP)
Astronomical (4 units)
Ratti to Lunar Mass (Moon) (M☾) Ratti to Earth's Mass (M⊕) Ratti to Jupiter Mass (MJ) Ratti to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Ratti to Lepton (Biblical Roman) (lepton) Ratti to Quadrans (Biblical Roman) (quadrans) Ratti to Assarion (Biblical Roman) (assarion) Ratti to Gerah (Biblical Hebrew) (gerah) Ratti to Drachma (Biblical Greek) (drachma) Ratti to Denarius (Biblical Roman) (denarius) Ratti to Bekan (Biblical Hebrew) (bekah) Ratti to Didrachma (Biblical Greek) (didrachma) Ratti to Shekel (Biblical Hebrew) (shekel) Ratti to Tetradrachma (Biblical Greek) (tetra) Ratti to Mina (Biblical Greek) (mina) Ratti to Mina (Biblical Hebrew) (mina) Ratti to Talent (Biblical Greek) (talent) Ratti to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Ratti to Poundal (pdl) Ratti to Ton (assay) (US) (AT) Ratti to Ton (assay) (UK) (AT) Ratti to Kilogram-force square second/meter (hyl) Ratti to Slug (slug)

Sources & references

Conversion factor (1 ratti = 1.062943e-6 wey) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.