Mass and Weight · Unit Converter

Convert Stone (US) to Hundredweight (US)

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

Hundredweight (US)

What is a hundredweight (us)?

The US (short) hundredweight equals 100 pounds, about 45.36 kilograms.

Origin of the hundredweight (us)

The American 'hundred'-pound commercial weight (also called the cental).

Where it is used

US commodity trade in grain, livestock feed, and produce.

When and where it was developed

Standardized at 100 pounds in US customary units.

Stone (US) to Hundredweight (US) conversion formula

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

1 st = 0.125 cwt
1 cwt = 8 st

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

How to use this converter

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

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

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

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

2 st × 0.125 = 0.25 cwt

Real-world example — Maritime depth conversion

A 10-stone (us) sounding depth converts cleanly into hundredweights (us). Recreational divers and sailors translate between the two units whenever they read legacy charts against modern depth-sounder displays.

10 st × 0.125 = 1.25 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

Stone (US) to Hundredweight (US) conversion table

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

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

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 = 0.125 cwt) verified against the following authoritative sources:

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