Mass and Weight · Unit Converter

Convert Stone (US) to Ounce

Convert stones (us) to ounces instantly. 1 stone (us) = 200.0000001764 ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the 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.

Avoirdupois

Ounce

What is a ounce?

The (avoirdupois) ounce (oz) equals one-sixteenth of a pound, about 28.35 grams.

Origin of the ounce

From Latin 'uncia', meaning a twelfth part.

Where it is used

US food portions, postal weights, and boxing weight classes.

When and where it was developed

Standardized as 1/16 of the international pound from 1959.

Stone (US) to Ounce conversion formula

The relationship between stones (us) and ounces:

1 st = 200.0000001764 oz
1 oz = 0.005 st

To convert stones (us) to ounces, multiply the value in stones (us) by 200.0000001764. To reverse, multiply ounces by 0.005.

How to use this converter

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

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

  1. Write down the value in stones (us) (st).
  2. Multiply that value by the factor 200.0000001764.
  3. The product is the equivalent value in ounces (oz).
  4. To reverse, multiply the ounce value by 0.005.

Worked examples

Example 1 — Convert 1 st to oz:
1 × 200.0000001764 = 200.0000001764 oz

Example 2 — Convert 100 st to oz:
100 × 200.0000001764 = 20000.000017637 oz

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 ounces. This is the most-used everyday length conversion in metric-using countries.

1.75 st × 200.0000001764 = 350.0000003086 oz

Real-world example — Pet and accessory dimensions

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

3 st × 200.0000001764 = 600.0000005291 oz

Real-world example — Fabric and tailoring

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

1 st × 200.0000001764 = 200.0000001764 oz

Stone (US) to Ounce conversion table

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

Stone (US) [st]Ounce [oz]
0.012.0000000018
0.120.0000000176
1200.0000001764
2400.0000003527
3600.0000005291
4800.0000007055
51000.0000008818
102000.0000017637
204000.0000035274
306000.0000052911
408000.0000070548
5010000.0000088185
10020000.000017637
500100000.0000881849
1000200000.0001763698

Frequently asked questions

How many ounces is 1 stone (us)?
1 stone (us) equals 200.0000001764 ounce.
How do I convert stones (us) to ounces?
Multiply the value in stones (us) by 200.0000001764 to get ounces.
How do I convert ounces back to stones (us)?
Multiply the value in ounces by 0.005, or use the Ounce to Stone (US) converter.
How many ounces is 100 stones (us)?
100 stones (us) equals 20000.000017637 ounces, because 100 × 200.0000001764 = 20000.000017637.

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 = 200.0000001764 oz) verified against the following authoritative sources:

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