Mass and Weight · Unit Converter

Convert Stone (US) to Troy Ounce

Convert stones (us) to troy ounces instantly. 1 stone (us) = 182.2916666667 troy ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Troy Ounce 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.

Troy & Apothecary

Troy Ounce

What is a troy ounce?

The troy ounce (ozt) equals about 31.103 grams, one-twelfth of a troy pound.

Origin of the troy ounce

From the Troy system of weights associated with Troyes, France.

Where it is used

The global standard for pricing gold, silver, platinum, and palladium.

When and where it was developed

Established in the medieval Troy system and retained for precious metals.

Stone (US) to Troy Ounce conversion formula

The relationship between stones (us) and troy ounces:

1 st = 182.2916666667 oz t
1 oz t = 0.0054857143 st

To convert stones (us) to troy ounces, multiply the value in stones (us) by 182.2916666667. To reverse, multiply troy ounces by 0.0054857143.

How to use this converter

Type a value into the calculator. The result in troy ounces updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Troy Ounce to Stone (US) converter for the reverse direction.

Step-by-step: convert stones (us) to troy ounces

  1. Write down the value in stones (us) (st).
  2. Multiply that value by the factor 182.2916666667.
  3. The product is the equivalent value in troy ounces (oz t).
  4. To reverse, multiply the troy ounce value by 0.0054857143.

Worked examples

Example 1 — Convert 1 st to oz t:
1 × 182.2916666667 = 182.2916666667 oz t

Example 2 — Convert 100 st to oz t:
100 × 182.2916666667 = 18229.1666666667 oz t

Real-world example — Pet and accessory dimensions

A 3-stone (us) dog leash equals a tidy round value in troy ounces. Pet-supply shopping frequently mixes the two units across product specifications.

3 st × 182.2916666667 = 546.875 oz t

Real-world example — Fabric and tailoring

One stone (us) of fabric converts to a value in troy ounces commonly used for seam allowances. Garment patterns frequently switch between the two units on a single instruction sheet.

1 st × 182.2916666667 = 182.2916666667 oz t

Real-world example — Body height conversion (reverse direction)

You measure 1.75 stones (us) tall and need to fill in a gym membership form or medical record that asks for height in troy ounces. This is the most-used everyday length conversion in metric-using countries.

1.75 st × 182.2916666667 = 319.0104166667 oz t

Stone (US) to Troy Ounce conversion table

Standard reference values for converting stones (us) to troy ounces:

Stone (US) [st]Troy Ounce [oz t]
0.011.8229166667
0.118.2291666667
1182.2916666667
2364.5833333333
3546.875
4729.1666666667
5911.4583333333
101822.9166666667
203645.8333333333
305468.75
407291.6666666667
509114.5833333333
10018229.1666666667
50091145.8333333333
1000182291.6666666667

Frequently asked questions

How many troy ounces is 1 stone (us)?
1 stone (us) equals 182.2916666667 troy ounce.
How do I convert stones (us) to troy ounces?
Multiply the value in stones (us) by 182.2916666667 to get troy ounces.
How do I convert troy ounces back to stones (us)?
Multiply the value in troy ounces by 0.0054857143, or use the Troy Ounce to Stone (US) converter.
How many troy ounces is 100 stones (us)?
100 stones (us) equals 18229.1666666667 troy ounces, because 100 × 182.2916666667 = 18229.1666666667.

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 = 182.2916666667 oz t) verified against the following authoritative sources:

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