Mass and Weight · Unit Converter

Convert Dram (apothecary/troy) to Ton (assay) (UK)

Convert drams (apothecary/troy) to tons (assay) (uk) instantly. 1 dram (apothecary/troy) = 0.119018406 ton (assay) (uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ton (assay) (UK) to Dram (apothecary/troy) 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

Troy & Apothecary

Dram (apothecary/troy)

What is a dram (apothecary/troy)?

The apothecary (troy) dram equals one-eighth of a troy ounce, about 3.888 grams.

Origin of the dram (apothecary/troy)

From the apothecaries' system rooted in the Greek 'drachma'.

Where it is used

Historical pharmacy and medicine compounding.

When and where it was developed

Part of the apothecaries' system of weights used through the 19th century.

Force / Engineering

Ton (assay) (UK)

What is a ton (assay) (uk)?

The assay ton (UK) equals about 32.667 grams, the long-ton analog of the assay ton.

Origin of the ton (assay) (uk)

The long-ton version of the assay-ton convenience unit.

Where it is used

Ore assaying in long-ton (imperial) contexts.

When and where it was developed

Adopted in assay laboratories using the long ton.

Dram (apothecary/troy) to Ton (assay) (UK) conversion formula

The relationship between drams (apothecary/troy) and tons (assay) (uk):

1 dr ap = 0.119018406 AT
1 AT = 8.4020617785 dr ap

To convert drams (apothecary/troy) to tons (assay) (uk), multiply the value in drams (apothecary/troy) by 0.119018406. To reverse, multiply tons (assay) (uk) by 8.4020617785.

How to use this converter

Type a value into the calculator. The result in tons (assay) (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 Ton (assay) (UK) to Dram (apothecary/troy) converter for the reverse direction.

Step-by-step: convert drams (apothecary/troy) to tons (assay) (uk)

  1. Write down the value in drams (apothecary/troy) (dr ap).
  2. Multiply that value by the factor 0.119018406.
  3. The product is the equivalent value in tons (assay) (uk) (AT).
  4. To reverse, multiply the ton (assay) (uk) value by 8.4020617785.

Worked examples

Example 1 — Convert 1 dr ap to AT:
1 × 0.119018406 = 0.119018406 AT

Example 2 — Convert 100 dr ap to AT:
100 × 0.119018406 = 11.9018406001 AT

Real-world example — Hardware-scale dimensions

A 10-dram (apothecary/troy) fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between drams (apothecary/troy) and tons (assay) (uk) daily when mixing metric and imperial tools.

10 dr ap × 0.119018406 = 1.19018406 AT

Real-world example — Postcard and small-object dimensions

A postcard is about 5 drams (apothecary/troy) wide. Converting to tons (assay) (uk) is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 dr ap × 0.119018406 = 0.59509203 AT

Real-world example — Ruler-scale measurements

A 30-dram (apothecary/troy) school ruler converts cleanly to tons (assay) (uk) — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 dr ap × 0.119018406 = 3.57055218 AT

Dram (apothecary/troy) to Ton (assay) (UK) conversion table

Standard reference values for converting drams (apothecary/troy) to tons (assay) (uk):

Dram (apothecary/troy) [dr ap]Ton (assay) (UK) [AT]
0.010.0011901841
0.10.0119018406
10.119018406
20.238036812
30.357055218
40.476073624
50.59509203
101.19018406
202.38036812
303.57055218
404.76073624
505.9509203001
10011.9018406001
50059.5092030005
1000119.018406001

Frequently asked questions

How many tons (assay) (uk) is 1 dram (apothecary/troy)?
1 dram (apothecary/troy) equals 0.119018406 ton (assay) (uk).
How do I convert drams (apothecary/troy) to tons (assay) (uk)?
Multiply the value in drams (apothecary/troy) by 0.119018406 to get tons (assay) (uk).
How do I convert tons (assay) (uk) back to drams (apothecary/troy)?
Multiply the value in tons (assay) (uk) by 8.4020617785, or use the Ton (assay) (UK) to Dram (apothecary/troy) converter.
How many tons (assay) (uk) is 100 drams (apothecary/troy)?
100 drams (apothecary/troy) equals 11.9018406001 tons (assay) (uk), because 100 × 0.119018406 = 11.9018406001.

Convert Dram (apothecary/troy) to other weight units

Show all Dram (apothecary/troy) conversions
Metric / SI (18 units)
Dram (apothecary/troy) to Attogram (ag) Dram (apothecary/troy) to Femtogram (fg) Dram (apothecary/troy) to Picogram (pg) Dram (apothecary/troy) to Nanogram (ng) Dram (apothecary/troy) to Microgram (µg) Dram (apothecary/troy) to Milligram (mg) Dram (apothecary/troy) to Centigram (cg) Dram (apothecary/troy) to Decigram (dg) Dram (apothecary/troy) to Gram (g) Dram (apothecary/troy) to Dekagram (dag) Dram (apothecary/troy) to Hectogram (hg) Dram (apothecary/troy) to Kilogram (kg) Dram (apothecary/troy) to Quintal (metric) (q) Dram (apothecary/troy) to Metric Ton (t) Dram (apothecary/troy) to Gigagram (Gg) Dram (apothecary/troy) to Teragram (Tg) Dram (apothecary/troy) to Petagram (Pg) Dram (apothecary/troy) to Exagram (Eg)
Avoirdupois (15 units)
Dram (apothecary/troy) to Grain (gr) Dram (apothecary/troy) to Dram (avoirdupois) (dr) Dram (apothecary/troy) to Ounce (oz) Dram (apothecary/troy) to Pound (lb) Dram (apothecary/troy) to Clove (clove) Dram (apothecary/troy) to Stone (US) (st) Dram (apothecary/troy) to Stone (UK) (st) Dram (apothecary/troy) to Quarter (US) (qr) Dram (apothecary/troy) to Quarter (UK) (qr) Dram (apothecary/troy) to Hundredweight (US) (cwt) Dram (apothecary/troy) to Hundredweight (UK) (cwt) Dram (apothecary/troy) to Wey (wey) Dram (apothecary/troy) to Kilopound (kip) (kip) Dram (apothecary/troy) to Ton (short, US) (sh tn) Dram (apothecary/troy) to Ton (long, UK) (long tn)
Troy & Apothecary (9 units)
Dram (apothecary/troy) to Point (1/100 carat) (pt) Dram (apothecary/troy) to Carat (metric) (ct) Dram (apothecary/troy) to Scruple (apothecary) (s ap) Dram (apothecary/troy) to Pennyweight (dwt) Dram (apothecary/troy) to Momme (mom) Dram (apothecary/troy) to Mace (mace) Dram (apothecary/troy) to Troy Ounce (oz t) Dram (apothecary/troy) to Tael (tael) Dram (apothecary/troy) to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Dram (apothecary/troy) to Ratti (ratti) Dram (apothecary/troy) to Masha (masha) Dram (apothecary/troy) to Tola (tola) Dram (apothecary/troy) to Chittack (Chatank) (chittack) Dram (apothecary/troy) to Seer (Ser) (seer) Dram (apothecary/troy) to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Dram (apothecary/troy) to Electron Mass (rest) (me) Dram (apothecary/troy) to MeV/c2 (MeV/c²) Dram (apothecary/troy) to Muon Mass (mµ) Dram (apothecary/troy) to Atomic Mass Unit (u) Dram (apothecary/troy) to Proton Mass (mp) Dram (apothecary/troy) to Neutron Mass (mn) Dram (apothecary/troy) to Deuteron Mass (md) Dram (apothecary/troy) to Carbon-12 Atom Mass (C-12) Dram (apothecary/troy) to Planck Mass (mP)
Astronomical (4 units)
Dram (apothecary/troy) to Lunar Mass (Moon) (M☾) Dram (apothecary/troy) to Earth's Mass (M⊕) Dram (apothecary/troy) to Jupiter Mass (MJ) Dram (apothecary/troy) to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Dram (apothecary/troy) to Lepton (Biblical Roman) (lepton) Dram (apothecary/troy) to Quadrans (Biblical Roman) (quadrans) Dram (apothecary/troy) to Assarion (Biblical Roman) (assarion) Dram (apothecary/troy) to Gerah (Biblical Hebrew) (gerah) Dram (apothecary/troy) to Drachma (Biblical Greek) (drachma) Dram (apothecary/troy) to Denarius (Biblical Roman) (denarius) Dram (apothecary/troy) to Bekan (Biblical Hebrew) (bekah) Dram (apothecary/troy) to Didrachma (Biblical Greek) (didrachma) Dram (apothecary/troy) to Shekel (Biblical Hebrew) (shekel) Dram (apothecary/troy) to Tetradrachma (Biblical Greek) (tetra) Dram (apothecary/troy) to Mina (Biblical Greek) (mina) Dram (apothecary/troy) to Mina (Biblical Hebrew) (mina) Dram (apothecary/troy) to Talent (Biblical Greek) (talent) Dram (apothecary/troy) to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Dram (apothecary/troy) to Poundal (pdl) Dram (apothecary/troy) to Ton (assay) (US) (AT) Dram (apothecary/troy) to Ton (assay) (UK) (AT) Dram (apothecary/troy) to Kilogram-force square second/meter (hyl) Dram (apothecary/troy) to Slug (slug)

Sources & references

Conversion factor (1 dr ap = 0.119018406 AT) verified against the following authoritative sources:

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