Mass and Weight · Unit Converter

Convert Stone (UK) to Chittack (Chatank)

Convert stones (uk) to chittacks (chatank) instantly. 1 stone (uk) = 108.8888870218 chittack (chatank) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Chittack (Chatank) to Stone (UK) 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

Avoirdupois

Stone (UK)

What is a stone (uk)?

The UK stone (st) equals 14 pounds, about 6.35 kilograms.

Origin of the stone (uk)

From standardized market 'stones' once used for weighing goods.

Where it is used

Body weight in the United Kingdom and Ireland.

When and where it was developed

Fixed at 14 pounds by British statute in 1835.

Indian / South Asian

Chittack (Chatank)

What is a chittack (chatank)?

The chittack (chatank) equals one-sixteenth of a seer, about 58.3 grams.

Origin of the chittack (chatank)

A traditional South Asian unit in the seer-based system.

Where it is used

Historical grocery and provisions weighing in India and Bangladesh.

When and where it was developed

Part of the pre-metric South Asian weight system.

Stone (UK) to Chittack (Chatank) 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 stones (uk) and chittacks (chatank):

1 st = 108.8888870218 chittack
1 chittack = 0.0091836736 st

To convert stones (uk) to chittacks (chatank), multiply the value in stones (uk) by 108.8888870218. To reverse, multiply chittacks (chatank) by 0.0091836736.

How to use this converter

Type a value into the calculator. The result in chittacks (chatank) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Chittack (Chatank) to Stone (UK) converter for the reverse direction.

Step-by-step: convert stones (uk) to chittacks (chatank)

  1. Write down the value in stones (uk) (st).
  2. Multiply that value by the factor 108.8888870218.
  3. The product is the equivalent value in chittacks (chatank) (chittack).
  4. To reverse, multiply the chittack (chatank) value by 0.0091836736.

Worked examples

Example 1 — Convert 1 st to chittack:
1 × 108.8888870218 = 108.8888870218 chittack

Example 2 — Convert 100 st to chittack:
100 × 108.8888870218 = 10888.8887021764 chittack

Real-world example — Body height conversion (reverse direction)

You measure 1.75 stones (uk) tall and need to fill in a gym membership form or medical record that asks for height in chittacks (chatank). This is the most-used everyday length conversion in metric-using countries.

1.75 st × 108.8888870218 = 190.5555522881 chittack

Real-world example — Pet and accessory dimensions

A 3-stone (uk) dog leash equals a tidy round value in chittacks (chatank). Pet-supply shopping frequently mixes the two units across product specifications.

3 st × 108.8888870218 = 326.6666610653 chittack

Real-world example — Fabric and tailoring

One stone (uk) of fabric converts to a value in chittacks (chatank) commonly used for seam allowances. Garment patterns frequently switch between the two units on a single instruction sheet.

1 st × 108.8888870218 = 108.8888870218 chittack

Stone (UK) to Chittack (Chatank) conversion table

Standard reference values for converting stones (uk) to chittacks (chatank):

Stone (UK) [st]Chittack (Chatank) [chittack]
0.011.0888888702
0.110.8888887022
1108.8888870218
2217.7777740435
3326.6666610653
4435.5555480871
5544.4444351088
101088.8888702176
202177.7777404353
303266.6666106529
404355.5554808706
505444.4443510882
10010888.8887021764
50054444.443510882
1000108888.8870217641

Frequently asked questions

How many chittacks (chatank) is 1 stone (uk)?
1 stone (uk) equals 108.8888870218 chittack (chatank).
How do I convert stones (uk) to chittacks (chatank)?
Multiply the value in stones (uk) by 108.8888870218 to get chittacks (chatank).
How do I convert chittacks (chatank) back to stones (uk)?
Multiply the value in chittacks (chatank) by 0.0091836736, or use the Chittack (Chatank) to Stone (UK) converter.
How many chittacks (chatank) is 100 stones (uk)?
100 stones (uk) equals 10888.8887021764 chittacks (chatank), because 100 × 108.8888870218 = 10888.8887021764.

Convert Stone (UK) to other weight units

Show all Stone (UK) conversions
Metric / SI (18 units)
Stone (UK) to Attogram (ag) Stone (UK) to Femtogram (fg) Stone (UK) to Picogram (pg) Stone (UK) to Nanogram (ng) Stone (UK) to Microgram (µg) Stone (UK) to Milligram (mg) Stone (UK) to Centigram (cg) Stone (UK) to Decigram (dg) Stone (UK) to Gram (g) Stone (UK) to Dekagram (dag) Stone (UK) to Hectogram (hg) Stone (UK) to Kilogram (kg) Stone (UK) to Quintal (metric) (q) Stone (UK) to Metric Ton (t) Stone (UK) to Gigagram (Gg) Stone (UK) to Teragram (Tg) Stone (UK) to Petagram (Pg) Stone (UK) to Exagram (Eg)
Avoirdupois (14 units)
Stone (UK) to Grain (gr) Stone (UK) to Dram (avoirdupois) (dr) Stone (UK) to Ounce (oz) Stone (UK) to Pound (lb) Stone (UK) to Clove (clove) Stone (UK) to Stone (US) (st) Stone (UK) to Quarter (US) (qr) Stone (UK) to Quarter (UK) (qr) Stone (UK) to Hundredweight (US) (cwt) Stone (UK) to Hundredweight (UK) (cwt) Stone (UK) to Wey (wey) Stone (UK) to Kilopound (kip) (kip) Stone (UK) to Ton (short, US) (sh tn) Stone (UK) to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Stone (UK) to Point (1/100 carat) (pt) Stone (UK) to Carat (metric) (ct) Stone (UK) to Scruple (apothecary) (s ap) Stone (UK) to Pennyweight (dwt) Stone (UK) to Momme (mom) Stone (UK) to Mace (mace) Stone (UK) to Dram (apothecary/troy) (dr ap) Stone (UK) to Troy Ounce (oz t) Stone (UK) to Tael (tael) Stone (UK) to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Stone (UK) to Ratti (ratti) Stone (UK) to Masha (masha) Stone (UK) to Tola (tola) Stone (UK) to Chittack (Chatank) (chittack) Stone (UK) to Seer (Ser) (seer) Stone (UK) to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Stone (UK) to Electron Mass (rest) (me) Stone (UK) to MeV/c2 (MeV/c²) Stone (UK) to Muon Mass (mµ) Stone (UK) to Atomic Mass Unit (u) Stone (UK) to Proton Mass (mp) Stone (UK) to Neutron Mass (mn) Stone (UK) to Deuteron Mass (md) Stone (UK) to Carbon-12 Atom Mass (C-12) Stone (UK) to Planck Mass (mP)
Astronomical (4 units)
Stone (UK) to Lunar Mass (Moon) (M☾) Stone (UK) to Earth's Mass (M⊕) Stone (UK) to Jupiter Mass (MJ) Stone (UK) to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Stone (UK) to Lepton (Biblical Roman) (lepton) Stone (UK) to Quadrans (Biblical Roman) (quadrans) Stone (UK) to Assarion (Biblical Roman) (assarion) Stone (UK) to Gerah (Biblical Hebrew) (gerah) Stone (UK) to Drachma (Biblical Greek) (drachma) Stone (UK) to Denarius (Biblical Roman) (denarius) Stone (UK) to Bekan (Biblical Hebrew) (bekah) Stone (UK) to Didrachma (Biblical Greek) (didrachma) Stone (UK) to Shekel (Biblical Hebrew) (shekel) Stone (UK) to Tetradrachma (Biblical Greek) (tetra) Stone (UK) to Mina (Biblical Greek) (mina) Stone (UK) to Mina (Biblical Hebrew) (mina) Stone (UK) to Talent (Biblical Greek) (talent) Stone (UK) to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Stone (UK) to Poundal (pdl) Stone (UK) to Ton (assay) (US) (AT) Stone (UK) to Ton (assay) (UK) (AT) Stone (UK) to Kilogram-force square second/meter (hyl) Stone (UK) to Slug (slug)

Sources & references

Conversion factor (1 st = 108.8888870218 chittack) verified against the following authoritative sources:

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