Mass and Weight · Unit Converter

Convert Quarter (UK) to Dram (apothecary/troy)

Convert quarters (uk) to drams (apothecary/troy) instantly. 1 quarter (uk) = 3266.6666666667 dram (apothecary/troy) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dram (apothecary/troy) to Quarter (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

Quarter (UK)

What is a quarter (uk)?

The UK quarter equals one-fourth of a long hundredweight, 28 pounds (about 12.7 kg).

Origin of the quarter (uk)

A 'quarter' of the hundredweight in the British imperial system.

Where it is used

Historical British trade in coal, grain, and agricultural goods.

When and where it was developed

Defined within the imperial hundredweight system.

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.

Quarter (UK) to Dram (apothecary/troy) conversion formula

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

1 qr = 3266.6666666667 dr ap
1 dr ap = 0.0003061224 qr

To convert quarters (uk) to drams (apothecary/troy), multiply the value in quarters (uk) by 3266.6666666667. To reverse, multiply drams (apothecary/troy) by 0.0003061224.

How to use this converter

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

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

  1. Write down the value in quarters (uk) (qr).
  2. Multiply that value by the factor 3266.6666666667.
  3. The product is the equivalent value in drams (apothecary/troy) (dr ap).
  4. To reverse, multiply the dram (apothecary/troy) value by 0.0003061224.

Worked examples

Example 1 — Convert 1 qr to dr ap:
1 × 3266.6666666667 = 3266.6666666667 dr ap

Example 2 — Convert 100 qr to dr ap:
100 × 3266.6666666667 = 326666.6666666666 dr ap

Quarter (UK) to Dram (apothecary/troy) conversion table

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

Quarter (UK) [qr]Dram (apothecary/troy) [dr ap]
0.0132.6666666667
0.1326.6666666667
13266.6666666667
26533.3333333333
39800
413066.6666666667
516333.3333333333
1032666.6666666667
2065333.3333333333
3098000
40130666.6666666667
50163333.3333333333
100326666.6666666666
5001633333.3333333333
10003266666.6666666665

Frequently asked questions

How many drams (apothecary/troy) is 1 quarter (uk)?
1 quarter (uk) equals 3266.6666666667 dram (apothecary/troy).
How do I convert quarters (uk) to drams (apothecary/troy)?
Multiply the value in quarters (uk) by 3266.6666666667 to get drams (apothecary/troy).
How do I convert drams (apothecary/troy) back to quarters (uk)?
Multiply the value in drams (apothecary/troy) by 0.0003061224, or use the Dram (apothecary/troy) to Quarter (UK) converter.
How many drams (apothecary/troy) is 100 quarters (uk)?
100 quarters (uk) equals 326666.6666666666 drams (apothecary/troy), because 100 × 3266.6666666667 = 326666.6666666666.

Convert Quarter (UK) to other weight units

Show all Quarter (UK) conversions
Metric / SI (18 units)
Avoirdupois (14 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 qr = 3266.6666666667 dr ap) verified against the following authoritative sources:

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