Mass and Weight · Unit Converter

Convert Seer (Ser) to Chittack (Chatank)

Convert seers (ser) to chittacks (chatank) instantly. 1 seer (ser) = 15.9999996571 chittack (chatank) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Chittack (Chatank) to Seer (Ser) 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

Seer (Ser)

What is a seer (ser)?

The seer (ser) equals about 933 grams, or eighty tola (close to one kilogram).

Origin of the seer (ser)

From Hindi/Urdu 'ser', a major pre-metric trade weight.

Where it is used

Historical grain, milk, and produce trade across South Asia.

When and where it was developed

Standardized in British India; aligned near 1 kg after metrication.

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.

Seer (Ser) 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 seers (ser) and chittacks (chatank):

1 seer = 15.9999996571 chittack
1 chittack = 0.0625000013 seer

To convert seers (ser) to chittacks (chatank), multiply the value in seers (ser) by 15.9999996571. To reverse, multiply chittacks (chatank) by 0.0625000013.

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 Seer (Ser) converter for the reverse direction.

Step-by-step: convert seers (ser) to chittacks (chatank)

  1. Write down the value in seers (ser) (seer).
  2. Multiply that value by the factor 15.9999996571.
  3. The product is the equivalent value in chittacks (chatank) (chittack).
  4. To reverse, multiply the chittack (chatank) value by 0.0625000013.

Worked examples

Example 1 — Convert 1 seer to chittack:
1 × 15.9999996571 = 15.9999996571 chittack

Example 2 — Convert 100 seer to chittack:
100 × 15.9999996571 = 1599.9999657059 chittack

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

You measure 1.75 seers (ser) 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 seer × 15.9999996571 = 27.9999993999 chittack

Real-world example — Pet and accessory dimensions

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

3 seer × 15.9999996571 = 47.9999989712 chittack

Real-world example — Fabric and tailoring

One seer (ser) 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 seer × 15.9999996571 = 15.9999996571 chittack

Seer (Ser) to Chittack (Chatank) conversion table

Standard reference values for converting seers (ser) to chittacks (chatank):

Seer (Ser) [seer]Chittack (Chatank) [chittack]
0.010.1599999966
0.11.5999999657
115.9999996571
231.9999993141
347.9999989712
463.9999986282
579.9999982853
10159.9999965706
20319.9999931412
30479.9999897118
40639.9999862823
50799.9999828529
1001599.9999657059
5007999.9998285294
100015999.9996570587

Frequently asked questions

How many chittacks (chatank) is 1 seer (ser)?
1 seer (ser) equals 15.9999996571 chittack (chatank).
How do I convert seers (ser) to chittacks (chatank)?
Multiply the value in seers (ser) by 15.9999996571 to get chittacks (chatank).
How do I convert chittacks (chatank) back to seers (ser)?
Multiply the value in chittacks (chatank) by 0.0625000013, or use the Chittack (Chatank) to Seer (Ser) converter.
How many chittacks (chatank) is 100 seers (ser)?
100 seers (ser) equals 1599.9999657059 chittacks (chatank), because 100 × 15.9999996571 = 1599.9999657059.

Convert Seer (Ser) to other weight units

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

Sources & references

Conversion factor (1 seer = 15.9999996571 chittack) verified against the following authoritative sources:

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