Mass and Weight · Unit Converter

Convert Stone (UK) to Ounce

Convert stones (uk) to ounces instantly. 1 stone (uk) = 224.0000001975 ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ounce 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

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 (UK) to Ounce conversion formula

The relationship between stones (uk) and ounces:

1 st = 224.0000001975 oz
1 oz = 0.0044642857 st

To convert stones (uk) to ounces, multiply the value in stones (uk) by 224.0000001975. To reverse, multiply ounces by 0.0044642857.

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 (UK) converter for the reverse direction.

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

  1. Write down the value in stones (uk) (st).
  2. Multiply that value by the factor 224.0000001975.
  3. The product is the equivalent value in ounces (oz).
  4. To reverse, multiply the ounce value by 0.0044642857.

Worked examples

Example 1 — Convert 1 st to oz:
1 × 224.0000001975 = 224.0000001975 oz

Example 2 — Convert 100 st to oz:
100 × 224.0000001975 = 22400.0000197534 oz

Real-world example — Fabric and tailoring

One stone (uk) 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 × 224.0000001975 = 224.0000001975 oz

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

You measure 1.75 stones (uk) 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 × 224.0000001975 = 392.0000003457 oz

Real-world example — Pet and accessory dimensions

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

3 st × 224.0000001975 = 672.0000005926 oz

Stone (UK) to Ounce conversion table

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

Stone (UK) [st]Ounce [oz]
0.012.240000002
0.122.4000000198
1224.0000001975
2448.0000003951
3672.0000005926
4896.0000007901
51120.0000009877
102240.0000019753
204480.0000039507
306720.000005926
408960.0000079014
5011200.0000098767
10022400.0000197534
500112000.0000987671
1000224000.0001975342

Frequently asked questions

How many ounces is 1 stone (uk)?
1 stone (uk) equals 224.0000001975 ounce.
How do I convert stones (uk) to ounces?
Multiply the value in stones (uk) by 224.0000001975 to get ounces.
How do I convert ounces back to stones (uk)?
Multiply the value in ounces by 0.0044642857, or use the Ounce to Stone (UK) converter.
How many ounces is 100 stones (uk)?
100 stones (uk) equals 22400.0000197534 ounces, because 100 × 224.0000001975 = 22400.0000197534.

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 = 224.0000001975 oz) verified against the following authoritative sources:

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