Mass and Weight · Unit Converter

Convert Stone (UK) to Dram (avoirdupois)

Convert stones (uk) to drams (avoirdupois) instantly. 1 stone (uk) = 3583.9999905184 dram (avoirdupois) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dram (avoirdupois) 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

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.

Stone (UK) to Dram (avoirdupois) conversion formula

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

1 st = 3583.9999905184 dr
1 dr = 0.0002790179 st

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

How to use this converter

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

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

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

Worked examples

Example 1 — Convert 1 st to dr:
1 × 3583.9999905184 = 3583.9999905184 dr

Example 2 — Convert 100 st to dr:
100 × 3583.9999905184 = 358399.9990518359 dr

Real-world example — Fabric and tailoring

One stone (uk) of fabric converts to a value in drams (avoirdupois) commonly used for seam allowances. Garment patterns frequently switch between the two units on a single instruction sheet.

1 st × 3583.9999905184 = 3583.9999905184 dr

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 drams (avoirdupois). This is the most-used everyday length conversion in metric-using countries.

1.75 st × 3583.9999905184 = 6271.9999834071 dr

Real-world example — Pet and accessory dimensions

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

3 st × 3583.9999905184 = 10751.9999715551 dr

Stone (UK) to Dram (avoirdupois) conversion table

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

Stone (UK) [st]Dram (avoirdupois) [dr]
0.0135.8399999052
0.1358.3999990518
13583.9999905184
27167.9999810367
310751.9999715551
414335.9999620734
517919.9999525918
1035839.9999051836
2071679.9998103672
30107519.9997155508
40143359.9996207344
50179199.999525918
100358399.9990518359
5001791999.9952591795
10003583999.990518359

Frequently asked questions

How many drams (avoirdupois) is 1 stone (uk)?
1 stone (uk) equals 3583.9999905184 dram (avoirdupois).
How do I convert stones (uk) to drams (avoirdupois)?
Multiply the value in stones (uk) by 3583.9999905184 to get drams (avoirdupois).
How do I convert drams (avoirdupois) back to stones (uk)?
Multiply the value in drams (avoirdupois) by 0.0002790179, or use the Dram (avoirdupois) to Stone (UK) converter.
How many drams (avoirdupois) is 100 stones (uk)?
100 stones (uk) equals 358399.9990518359 drams (avoirdupois), because 100 × 3583.9999905184 = 358399.9990518359.

Convert Stone (UK) to other weight units

Show all Stone (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 st = 3583.9999905184 dr) verified against the following authoritative sources:

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