Mass and Weight · Unit Converter

Convert Stone (US) to Ton (long, UK)

Convert stones (us) to tons (long, uk) instantly. 1 stone (us) = 0.0055803571 ton (long, uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ton (long, UK) to Stone (US) 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 (US)

What is a stone (us)?

A less common US definition of the stone, about 5.67 kilograms.

Origin of the stone (us)

A variant stone weight used in some historical US trade.

Where it is used

Rare; appears mainly in historical or specialized contexts.

When and where it was developed

Derived from older English stone weights that varied by commodity.

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.

Stone (US) to Ton (long, UK) conversion formula

The relationship between stones (us) and tons (long, uk):

1 st = 0.0055803571 long tn
1 long tn = 179.2 st

To convert stones (us) to tons (long, uk), multiply the value in stones (us) by 0.0055803571. To reverse, multiply tons (long, uk) by 179.2.

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 Stone (US) converter for the reverse direction.

Step-by-step: convert stones (us) to tons (long, uk)

  1. Write down the value in stones (us) (st).
  2. Multiply that value by the factor 0.0055803571.
  3. The product is the equivalent value in tons (long, uk) (long tn).
  4. To reverse, multiply the ton (long, uk) value by 179.2.

Worked examples

Example 1 — Convert 1 st to long tn:
1 × 0.0055803571 = 0.0055803571 long tn

Example 2 — Convert 100 st to long tn:
100 × 0.0055803571 = 0.5580357143 long tn

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

1,760 stones (us) 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 st × 0.0055803571 = 9.8214285714 long tn

Real-world example — Metric distance scale-up

One thousand stones (us) 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 st × 0.0055803571 = 5.5803571429 long tn

Real-world example — Imperial mile arithmetic

5,280 stones (us) 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 st × 0.0055803571 = 29.4642857143 long tn

Stone (US) to Ton (long, UK) conversion table

Standard reference values for converting stones (us) to tons (long, uk):

Stone (US) [st]Ton (long, UK) [long tn]
0.015.580357e-5
0.10.0005580357
10.0055803571
20.0111607143
30.0167410714
40.0223214286
50.0279017857
100.0558035714
200.1116071429
300.1674107143
400.2232142857
500.2790178571
1000.5580357143
5002.7901785714
10005.5803571429

Frequently asked questions

How many tons (long, uk) is 1 stone (us)?
1 stone (us) equals 0.0055803571 ton (long, uk).
How do I convert stones (us) to tons (long, uk)?
Multiply the value in stones (us) by 0.0055803571 to get tons (long, uk).
How do I convert tons (long, uk) back to stones (us)?
Multiply the value in tons (long, uk) by 179.2, or use the Ton (long, UK) to Stone (US) converter.
How many tons (long, uk) is 100 stones (us)?
100 stones (us) equals 0.5580357143 tons (long, uk), because 100 × 0.0055803571 = 0.5580357143.

Convert Stone (US) to other weight units

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

Sources & references

Conversion factor (1 st = 0.0055803571 long tn) verified against the following authoritative sources:

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