Mass and Weight · Unit Converter

Convert Stone (UK) to Hundredweight (UK)

Convert stones (uk) to hundredweights (uk) instantly. 1 stone (uk) = 0.125 hundredweight (uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Hundredweight (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

Hundredweight (UK)

What is a hundredweight (uk)?

The UK (long) hundredweight equals 112 pounds, about 50.8 kilograms.

Origin of the hundredweight (uk)

Originally a 'hundred'-pound trade weight, later fixed at 112 lb in Britain.

Where it is used

UK trade, shipping, and agriculture.

When and where it was developed

Standardized at 112 pounds in the imperial system.

Stone (UK) to Hundredweight (UK) conversion formula

The relationship between stones (uk) and hundredweights (uk):

1 st = 0.125 cwt
1 cwt = 8 st

To convert stones (uk) to hundredweights (uk), multiply the value in stones (uk) by 0.125. To reverse, multiply hundredweights (uk) by 8.

How to use this converter

Type a value into the calculator. The result in hundredweights (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 Hundredweight (UK) to Stone (UK) converter for the reverse direction.

Step-by-step: convert stones (uk) to hundredweights (uk)

  1. Write down the value in stones (uk) (st).
  2. Multiply that value by the factor 0.125.
  3. The product is the equivalent value in hundredweights (uk) (cwt).
  4. To reverse, multiply the hundredweight (uk) value by 8.

Worked examples

Example 1 — Convert 1 st to cwt:
1 × 0.125 = 0.125 cwt

Example 2 — Convert 100 st to cwt:
100 × 0.125 = 12.5 cwt

Real-world example — Reference scenario in case of fallback

Conversion between human-scale length units is the everyday workflow of architecture, athletics, and apparel design — three of the most common contexts that span metric and imperial systems.

1 st × 0.125 = 0.125 cwt

Real-world example — Adult height conversion

A 1.8-stone (uk)-tall person measures a value in hundredweights (uk) that converts the height to the unit favoured by American forms, schools, or driver's licences. This is daily routine for anyone living between metric and imperial systems.

1.8 st × 0.125 = 0.225 cwt

Real-world example — Fabric purchase length

Two stones (uk) of fabric equals a value in hundredweights (uk) essential for tailors and textile buyers sourcing material from international suppliers that quote in different units.

2 st × 0.125 = 0.25 cwt

Stone (UK) to Hundredweight (UK) conversion table

Standard reference values for converting stones (uk) to hundredweights (uk):

Stone (UK) [st]Hundredweight (UK) [cwt]
0.010.00125
0.10.0125
10.125
20.25
30.375
40.5
50.625
101.25
202.5
303.75
405
506.25
10012.5
50062.5
1000125

Frequently asked questions

How many hundredweights (uk) is 1 stone (uk)?
1 stone (uk) equals 0.125 hundredweight (uk).
How do I convert stones (uk) to hundredweights (uk)?
Multiply the value in stones (uk) by 0.125 to get hundredweights (uk).
How do I convert hundredweights (uk) back to stones (uk)?
Multiply the value in hundredweights (uk) by 8, or use the Hundredweight (UK) to Stone (UK) converter.
How many hundredweights (uk) is 100 stones (uk)?
100 stones (uk) equals 12.5 hundredweights (uk), because 100 × 0.125 = 12.5.

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 = 0.125 cwt) verified against the following authoritative sources:

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