Mass and Weight · Unit Converter

Convert Ratti to Scruple (apothecary)

Convert rattis to scruples (apothecary) instantly. 1 ratti = 0.093751577 scruple (apothecary) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Scruple (apothecary) 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

Scruple (apothecary)

What is a scruple (apothecary)?

The apothecary scruple equals 20 grains, about 1.296 grams.

Origin of the scruple (apothecary)

From Latin 'scrupulus', a small sharp pebble used as a tiny weight.

Where it is used

Historical apothecary dosing of powders.

When and where it was developed

Part of the apothecaries' system used through the 19th century.

Ratti to Scruple (apothecary) 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 scruples (apothecary):

1 ratti = 0.093751577 s ap
1 s ap = 10.6664872428 ratti

To convert rattis to scruples (apothecary), multiply the value in rattis by 0.093751577. To reverse, multiply scruples (apothecary) by 10.6664872428.

How to use this converter

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

Step-by-step: convert rattis to scruples (apothecary)

  1. Write down the value in rattis (ratti).
  2. Multiply that value by the factor 0.093751577.
  3. The product is the equivalent value in scruples (apothecary) (s ap).
  4. To reverse, multiply the scruple (apothecary) value by 10.6664872428.

Worked examples

Example 1 — Convert 1 ratti to s ap:
1 × 0.093751577 = 0.093751577 s ap

Example 2 — Convert 100 ratti to s ap:
100 × 0.093751577 = 9.3751576994 s ap

Real-world example — Packaging gauge

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

4 ratti × 0.093751577 = 0.375006308 s ap

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 scruples (apothecary) aligns the value with the unit most CAD systems and material datasheets prefer.

500 ratti × 0.093751577 = 46.8757884971 s ap

Ratti to Scruple (apothecary) conversion table

Standard reference values for converting rattis to scruples (apothecary):

Ratti [ratti]Scruple (apothecary) [s ap]
0.010.0009375158
0.10.0093751577
10.093751577
20.187503154
30.281254731
40.375006308
50.468757885
100.9375157699
201.8750315399
302.8125473098
403.7500630798
504.6875788497
1009.3751576994
50046.8757884971
100093.7515769941

Frequently asked questions

How many scruples (apothecary) is 1 ratti?
1 ratti equals 0.093751577 scruple (apothecary).
How do I convert rattis to scruples (apothecary)?
Multiply the value in rattis by 0.093751577 to get scruples (apothecary).
How do I convert scruples (apothecary) back to rattis?
Multiply the value in scruples (apothecary) by 10.6664872428, or use the Scruple (apothecary) to Ratti converter.
How many scruples (apothecary) is 100 rattis?
100 rattis equals 9.3751576994 scruples (apothecary), because 100 × 0.093751577 = 9.3751576994.

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 = 0.093751577 s ap) verified against the following authoritative sources:

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