Mass and Weight · Unit Converter

Convert Dram (apothecary/troy) to Pound

Convert drams (apothecary/troy) to pounds instantly. 1 dram (apothecary/troy) = 0.0085714286 pound — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pound 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.

Avoirdupois

Pound

What is a pound?

The pound (lb) is a unit of mass equal to exactly 0.45359237 kilogram.

Origin of the pound

From Latin 'libra pondo' (a pound by weight); the symbol lb comes from 'libra'.

Where it is used

The primary weight unit in the United States and informally in the UK.

When and where it was developed

The international avoirdupois pound was fixed in the 1959 yard-and-pound agreement.

Dram (apothecary/troy) to Pound conversion formula

The relationship between drams (apothecary/troy) and pounds:

1 dr ap = 0.0085714286 lb
1 lb = 116.6666666667 dr ap

To convert drams (apothecary/troy) to pounds, multiply the value in drams (apothecary/troy) by 0.0085714286. To reverse, multiply pounds by 116.6666666667.

How to use this converter

Type a value into the calculator. The result in pounds updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pound to Dram (apothecary/troy) converter for the reverse direction.

Step-by-step: convert drams (apothecary/troy) to pounds

  1. Write down the value in drams (apothecary/troy) (dr ap).
  2. Multiply that value by the factor 0.0085714286.
  3. The product is the equivalent value in pounds (lb).
  4. To reverse, multiply the pound value by 116.6666666667.

Worked examples

Example 1 — Convert 1 dr ap to lb:
1 × 0.0085714286 = 0.0085714286 lb

Example 2 — Convert 100 dr ap to lb:
100 × 0.0085714286 = 0.8571428571 lb

Real-world example — Body height conversion

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

180 dr ap × 0.0085714286 = 1.5428571429 lb

Real-world example — Furniture and large objects

A 72-dram (apothecary/troy) piece of furniture converts to a value in pounds 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 ap × 0.0085714286 = 0.6171428571 lb

Real-world example — Children's height milestones

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

150 dr ap × 0.0085714286 = 1.2857142857 lb

Dram (apothecary/troy) to Pound conversion table

Standard reference values for converting drams (apothecary/troy) to pounds:

Dram (apothecary/troy) [dr ap]Pound [lb]
0.018.571429e-5
0.10.0008571429
10.0085714286
20.0171428571
30.0257142857
40.0342857143
50.0428571429
100.0857142857
200.1714285714
300.2571428571
400.3428571429
500.4285714286
1000.8571428571
5004.2857142857
10008.5714285714

Frequently asked questions

How many pounds is 1 dram (apothecary/troy)?
1 dram (apothecary/troy) equals 0.0085714286 pound.
How do I convert drams (apothecary/troy) to pounds?
Multiply the value in drams (apothecary/troy) by 0.0085714286 to get pounds.
How do I convert pounds back to drams (apothecary/troy)?
Multiply the value in pounds by 116.6666666667, or use the Pound to Dram (apothecary/troy) converter.
How many pounds is 100 drams (apothecary/troy)?
100 drams (apothecary/troy) equals 0.8571428571 pounds, because 100 × 0.0085714286 = 0.8571428571.

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 = 0.0085714286 lb) verified against the following authoritative sources:

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