Mass and Weight · Unit Converter

Convert Ratti to Tael

Convert rattis to taels instantly. 1 ratti = 0.0032143401 tael — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Tael 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.

Troy & Apothecary

Tael

What is a tael?

The tael equals about 37.8 grams (ten mace).

Origin of the tael

From Malay 'tahil'; the Chinese unit is the 'liang'.

Where it is used

East Asian precious-metal and traditional-medicine commerce.

When and where it was developed

A long-standing East Asian trade weight, with regional variants.

Ratti to Tael 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 taels:

1 ratti = 0.0032143401 tael
1 tael = 311.1058436214 ratti

To convert rattis to taels, multiply the value in rattis by 0.0032143401. To reverse, multiply taels by 311.1058436214.

How to use this converter

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

Step-by-step: convert rattis to taels

  1. Write down the value in rattis (ratti).
  2. Multiply that value by the factor 0.0032143401.
  3. The product is the equivalent value in taels (tael).
  4. To reverse, multiply the tael value by 311.1058436214.

Worked examples

Example 1 — Convert 1 ratti to tael:
1 × 0.0032143401 = 0.0032143401 tael

Example 2 — Convert 100 ratti to tael:
100 × 0.0032143401 = 0.3214340137 tael

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 taels aligns the value with the unit most CAD systems and material datasheets prefer.

500 ratti × 0.0032143401 = 1.6071700685 tael

Real-world example — Packaging gauge

A 4-ratti plastic bag thickness is a common spec for grocery and freezer bags. Converting from rattis to taels is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 ratti × 0.0032143401 = 0.0128573605 tael

Ratti to Tael conversion table

Standard reference values for converting rattis to taels:

Ratti [ratti]Tael [tael]
0.013.21434e-5
0.10.000321434
10.0032143401
20.0064286803
30.0096430204
40.0128573605
50.0160717007
100.0321434014
200.0642868027
300.0964302041
400.1285736055
500.1607170068
1000.3214340137
5001.6071700685
10003.214340137

Frequently asked questions

How many taels is 1 ratti?
1 ratti equals 0.0032143401 tael.
How do I convert rattis to taels?
Multiply the value in rattis by 0.0032143401 to get taels.
How do I convert taels back to rattis?
Multiply the value in taels by 311.1058436214, or use the Tael to Ratti converter.
How many taels is 100 rattis?
100 rattis equals 0.3214340137 taels, because 100 × 0.0032143401 = 0.3214340137.

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 = 0.0032143401 tael) verified against the following authoritative sources:

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