Mass and Weight · Unit Converter

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

Convert stones (uk) to tons (long, uk) instantly. 1 stone (uk) = 0.00625 ton (long, uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ton (long, UK) 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.

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

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

1 st = 0.00625 long tn
1 long tn = 160 st

To convert stones (uk) to tons (long, uk), multiply the value in stones (uk) by 0.00625. To reverse, multiply tons (long, uk) by 160.

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 (UK) converter for the reverse direction.

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

  1. Write down the value in stones (uk) (st).
  2. Multiply that value by the factor 0.00625.
  3. The product is the equivalent value in tons (long, uk) (long tn).
  4. To reverse, multiply the ton (long, uk) value by 160.

Worked examples

Example 1 — Convert 1 st to long tn:
1 × 0.00625 = 0.00625 long tn

Example 2 — Convert 100 st to long tn:
100 × 0.00625 = 0.625 long tn

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

1,760 stones (uk) 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 × 0.00625 = 11 long tn

Real-world example — Metric distance scale-up

One thousand stones (uk) 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 × 0.00625 = 6.25 long tn

Real-world example — Imperial mile arithmetic

5,280 stones (uk) 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 × 0.00625 = 33 long tn

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

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

Stone (UK) [st]Ton (long, UK) [long tn]
0.016.25e-5
0.10.000625
10.00625
20.0125
30.01875
40.025
50.03125
100.0625
200.125
300.1875
400.25
500.3125
1000.625
5003.125
10006.25

Frequently asked questions

How many tons (long, uk) is 1 stone (uk)?
1 stone (uk) equals 0.00625 ton (long, uk).
How do I convert stones (uk) to tons (long, uk)?
Multiply the value in stones (uk) by 0.00625 to get tons (long, uk).
How do I convert tons (long, uk) back to stones (uk)?
Multiply the value in tons (long, uk) by 160, or use the Ton (long, UK) to Stone (UK) converter.
How many tons (long, uk) is 100 stones (uk)?
100 stones (uk) equals 0.625 tons (long, uk), because 100 × 0.00625 = 0.625.

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 = 0.00625 long tn) verified against the following authoritative sources:

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