Mass and Weight · Unit Converter

Convert Dram (avoirdupois) to Stone (UK)

Convert drams (avoirdupois) to stones (uk) instantly. 1 dram (avoirdupois) = 0.0002790179 stone (uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Stone (UK) to Dram (avoirdupois) 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

Dram (avoirdupois)

What is a dram (avoirdupois)?

The avoirdupois dram (dr) equals one-sixteenth of an ounce, about 1.77 grams.

Origin of the dram (avoirdupois)

From Greek 'drachma' through Latin 'dragma'.

Where it is used

Historically pharmacy; today occasional cooking and firearms (powder) use.

When and where it was developed

Defined as 1/256 of the avoirdupois pound.

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.

Dram (avoirdupois) to Stone (UK) conversion formula

The relationship between drams (avoirdupois) and stones (uk):

1 dr = 0.0002790179 st
1 st = 3583.9999905184 dr

To convert drams (avoirdupois) to stones (uk), multiply the value in drams (avoirdupois) by 0.0002790179. To reverse, multiply stones (uk) by 3583.9999905184.

How to use this converter

Type a value into the calculator. The result in stones (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 Stone (UK) to Dram (avoirdupois) converter for the reverse direction.

Step-by-step: convert drams (avoirdupois) to stones (uk)

  1. Write down the value in drams (avoirdupois) (dr).
  2. Multiply that value by the factor 0.0002790179.
  3. The product is the equivalent value in stones (uk) (st).
  4. To reverse, multiply the stone (uk) value by 3583.9999905184.

Worked examples

Example 1 — Convert 1 dr to st:
1 × 0.0002790179 = 0.0002790179 st

Example 2 — Convert 100 dr to st:
100 × 0.0002790179 = 0.0279017858 st

Real-world example — Body height conversion

You enter your height as 180 drams (avoirdupois) into an international job or visa application. The form then asks for the same value in stones (uk) — converting between these adjacent units is one of the most-used length conversions globally.

180 dr × 0.0002790179 = 0.0502232144 st

Real-world example — Furniture and large objects

A 72-dram (avoirdupois) piece of furniture converts to a value in stones (uk) that's easier to mentally compare with room dimensions. This is the typical workflow when shopping internationally and product specs use a different unit than your room measurements.

72 dr × 0.0002790179 = 0.0200892858 st

Real-world example — Children's height milestones

A 150-dram (avoirdupois)-tall child measures a value in stones (uk) that's commonly used for theme-park ride height requirements when travelling between countries that use different measurement units.

150 dr × 0.0002790179 = 0.0418526787 st

Dram (avoirdupois) to Stone (UK) conversion table

Standard reference values for converting drams (avoirdupois) to stones (uk):

Dram (avoirdupois) [dr]Stone (UK) [st]
0.012.790179e-6
0.12.790179e-5
10.0002790179
20.0005580357
30.0008370536
40.0011160714
50.0013950893
100.0027901786
200.0055803572
300.0083705357
400.0111607143
500.0139508929
1000.0279017858
5000.1395089289
10000.2790178579

Frequently asked questions

How many stones (uk) is 1 dram (avoirdupois)?
1 dram (avoirdupois) equals 0.0002790179 stone (uk).
How do I convert drams (avoirdupois) to stones (uk)?
Multiply the value in drams (avoirdupois) by 0.0002790179 to get stones (uk).
How do I convert stones (uk) back to drams (avoirdupois)?
Multiply the value in stones (uk) by 3583.9999905184, or use the Stone (UK) to Dram (avoirdupois) converter.
How many stones (uk) is 100 drams (avoirdupois)?
100 drams (avoirdupois) equals 0.0279017858 stones (uk), because 100 × 0.0002790179 = 0.0279017858.

Convert Dram (avoirdupois) to other weight units

Show all Dram (avoirdupois) conversions
Metric / SI (18 units)
Dram (avoirdupois) to Attogram (ag) Dram (avoirdupois) to Femtogram (fg) Dram (avoirdupois) to Picogram (pg) Dram (avoirdupois) to Nanogram (ng) Dram (avoirdupois) to Microgram (µg) Dram (avoirdupois) to Milligram (mg) Dram (avoirdupois) to Centigram (cg) Dram (avoirdupois) to Decigram (dg) Dram (avoirdupois) to Gram (g) Dram (avoirdupois) to Dekagram (dag) Dram (avoirdupois) to Hectogram (hg) Dram (avoirdupois) to Kilogram (kg) Dram (avoirdupois) to Quintal (metric) (q) Dram (avoirdupois) to Metric Ton (t) Dram (avoirdupois) to Gigagram (Gg) Dram (avoirdupois) to Teragram (Tg) Dram (avoirdupois) to Petagram (Pg) Dram (avoirdupois) to Exagram (Eg)
Avoirdupois (14 units)
Dram (avoirdupois) to Grain (gr) Dram (avoirdupois) to Ounce (oz) Dram (avoirdupois) to Pound (lb) Dram (avoirdupois) to Clove (clove) Dram (avoirdupois) to Stone (US) (st) Dram (avoirdupois) to Stone (UK) (st) Dram (avoirdupois) to Quarter (US) (qr) Dram (avoirdupois) to Quarter (UK) (qr) Dram (avoirdupois) to Hundredweight (US) (cwt) Dram (avoirdupois) to Hundredweight (UK) (cwt) Dram (avoirdupois) to Wey (wey) Dram (avoirdupois) to Kilopound (kip) (kip) Dram (avoirdupois) to Ton (short, US) (sh tn) Dram (avoirdupois) to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Dram (avoirdupois) to Point (1/100 carat) (pt) Dram (avoirdupois) to Carat (metric) (ct) Dram (avoirdupois) to Scruple (apothecary) (s ap) Dram (avoirdupois) to Pennyweight (dwt) Dram (avoirdupois) to Momme (mom) Dram (avoirdupois) to Mace (mace) Dram (avoirdupois) to Dram (apothecary/troy) (dr ap) Dram (avoirdupois) to Troy Ounce (oz t) Dram (avoirdupois) to Tael (tael) Dram (avoirdupois) to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Dram (avoirdupois) to Ratti (ratti) Dram (avoirdupois) to Masha (masha) Dram (avoirdupois) to Tola (tola) Dram (avoirdupois) to Chittack (Chatank) (chittack) Dram (avoirdupois) to Seer (Ser) (seer) Dram (avoirdupois) to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Dram (avoirdupois) to Electron Mass (rest) (me) Dram (avoirdupois) to MeV/c2 (MeV/c²) Dram (avoirdupois) to Muon Mass (mµ) Dram (avoirdupois) to Atomic Mass Unit (u) Dram (avoirdupois) to Proton Mass (mp) Dram (avoirdupois) to Neutron Mass (mn) Dram (avoirdupois) to Deuteron Mass (md) Dram (avoirdupois) to Carbon-12 Atom Mass (C-12) Dram (avoirdupois) to Planck Mass (mP)
Astronomical (4 units)
Dram (avoirdupois) to Lunar Mass (Moon) (M☾) Dram (avoirdupois) to Earth's Mass (M⊕) Dram (avoirdupois) to Jupiter Mass (MJ) Dram (avoirdupois) to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Dram (avoirdupois) to Lepton (Biblical Roman) (lepton) Dram (avoirdupois) to Quadrans (Biblical Roman) (quadrans) Dram (avoirdupois) to Assarion (Biblical Roman) (assarion) Dram (avoirdupois) to Gerah (Biblical Hebrew) (gerah) Dram (avoirdupois) to Drachma (Biblical Greek) (drachma) Dram (avoirdupois) to Denarius (Biblical Roman) (denarius) Dram (avoirdupois) to Bekan (Biblical Hebrew) (bekah) Dram (avoirdupois) to Didrachma (Biblical Greek) (didrachma) Dram (avoirdupois) to Shekel (Biblical Hebrew) (shekel) Dram (avoirdupois) to Tetradrachma (Biblical Greek) (tetra) Dram (avoirdupois) to Mina (Biblical Greek) (mina) Dram (avoirdupois) to Mina (Biblical Hebrew) (mina) Dram (avoirdupois) to Talent (Biblical Greek) (talent) Dram (avoirdupois) to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Dram (avoirdupois) to Poundal (pdl) Dram (avoirdupois) to Ton (assay) (US) (AT) Dram (avoirdupois) to Ton (assay) (UK) (AT) Dram (avoirdupois) to Kilogram-force square second/meter (hyl) Dram (avoirdupois) to Slug (slug)

Sources & references

Conversion factor (1 dr = 0.0002790179 st) verified against the following authoritative sources:

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