Mass and Weight · Unit Converter

Convert Seer (Ser) to Ton (long, UK)

Convert seers (ser) to tons (long, uk) instantly. 1 seer (ser) = 0.0009183673 ton (long, uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ton (long, UK) 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.

Avoirdupois

Ton (long, UK)

What is a ton (long, uk)?

The long (UK) ton equals 2,240 pounds, about 1,016 kilograms.

Origin of the ton (long, uk)

The British imperial ton, equal to 20 long hundredweight.

Where it is used

UK shipping and historical heavy industry.

When and where it was developed

Standardized within the British imperial system.

Seer (Ser) to Ton (long, UK) 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 tons (long, uk):

1 seer = 0.0009183673 long tn
1 long tn = 1088.8888935567 seer

To convert seers (ser) to tons (long, uk), multiply the value in seers (ser) by 0.0009183673. To reverse, multiply tons (long, uk) by 1088.8888935567.

How to use this converter

Type a value into the calculator. The result in tons (long, uk) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Ton (long, UK) to Seer (Ser) converter for the reverse direction.

Step-by-step: convert seers (ser) to tons (long, uk)

  1. Write down the value in seers (ser) (seer).
  2. Multiply that value by the factor 0.0009183673.
  3. The product is the equivalent value in tons (long, uk) (long tn).
  4. To reverse, multiply the ton (long, uk) value by 1088.8888935567.

Worked examples

Example 1 — Convert 1 seer to long tn:
1 × 0.0009183673 = 0.0009183673 long tn

Example 2 — Convert 100 seer to long tn:
100 × 0.0009183673 = 0.0918367343 long tn

Real-world example — Imperial mile arithmetic

5,280 seers (ser) equals exactly one ton (long, uk). American hikers tracking elevation gain in the smaller unit but trail length in the larger one use this constant every time they read a topographic map.

5280 seer × 0.0009183673 = 4.8489795711 long tn

Real-world example — Imperial yard-to-mile scale

1,760 seers (ser) equals exactly one ton (long, uk). American athletes and surveyors use this conversion to translate distances quoted in the smaller imperial unit into recognizable fractions of the larger geographic one.

1760 seer × 0.0009183673 = 1.6163265237 long tn

Real-world example — Metric distance scale-up

One thousand seers (ser) equals one ton (long, uk) — the running distance for a 1K race or the standard metric kilometre-scale step. The simple thousand-fold conversion is the most-used metric distance translation.

1000 seer × 0.0009183673 = 0.918367343 long tn

Seer (Ser) to Ton (long, UK) conversion table

Standard reference values for converting seers (ser) to tons (long, uk):

Seer (Ser) [seer]Ton (long, UK) [long tn]
0.019.183673e-6
0.19.183673e-5
10.0009183673
20.0018367347
30.002755102
40.0036734694
50.0045918367
100.0091836734
200.0183673469
300.0275510203
400.0367346937
500.0459183672
1000.0918367343
5000.4591836715
10000.918367343

Frequently asked questions

How many tons (long, uk) is 1 seer (ser)?
1 seer (ser) equals 0.0009183673 ton (long, uk).
How do I convert seers (ser) to tons (long, uk)?
Multiply the value in seers (ser) by 0.0009183673 to get tons (long, uk).
How do I convert tons (long, uk) back to seers (ser)?
Multiply the value in tons (long, uk) by 1088.8888935567, or use the Ton (long, UK) to Seer (Ser) converter.
How many tons (long, uk) is 100 seers (ser)?
100 seers (ser) equals 0.0918367343 tons (long, uk), because 100 × 0.0009183673 = 0.0918367343.

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 = 0.0009183673 long tn) verified against the following authoritative sources:

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