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Drams to Pennyweights (dr to dwt) Converter

1 dr = 1.1393 dwt

1 Dram equals 1.1393 Pennyweights (1 dr = 1.1393 dwt). Convert Drams to Pennyweights with formula, table, and examples.

One dram equals approximately 1.139 pennyweights. The avoirdupois dram (about 1.772 grams) and the Pennyweight serve different measurement traditions. This conversion connects the old English spice-trading unit to the Pennyweight, bridging systems that evolved independently for different commercial and scientific purposes.

How to Convert Drams to Pennyweights

dwt = dr × 1.1393229167
Multiply the value in Drams by 1.1393229167
  1. Take your value in Drams
  2. Multiply by 1.1393229167
  3. Read the result in Pennyweights

Common Drams to Pennyweights Conversions

Drams (dr) Pennyweights (dwt) Status
0.5 dr 0.5697 dwt
1 dr 1.1393 dwt
2 dr 2.2786 dwt
5 dr 5.6966 dwt
10 dr 11.3932 dwt
16 dr 18.2292 dwt
25 dr 28.4831 dwt
50 dr 56.9661 dwt
100 dr 113.9323 dwt
256 dr 291.6667 dwt
500 dr 569.6615 dwt
1,000 dr 1,139.3229 dwt

Good to Know About Drams to Pennyweights Conversion

The pennyweight and dram both descend from medieval English commerce but served different trades. The pennyweight ruled precious metals (gold, silver); the dram ruled spices and small goods. A goldsmith and a spice merchant in 14th-century London used different units from the same system, much as a jeweler and a grocer today use different units despite shopping at the same mall.

Drams to Pennyweights: What You Need to Know

The dram was once standard in British spice shops and apothecaries. The Pennyweight serves a different domain entirely. Converting between them is most useful when interpreting historical records or completing comprehensive conversion tables that cover the full range of weight units from both metric and imperial traditions.

What is a Dram? dr

A dram (avoirdupois) is a unit of mass equal to 1/16 of an ounce or 1/256 of a pound (1.7718451953125 grams). Historically used in pharmacy and old cooking recipes.

Imperial historical pharmacy old recipes whisky measurement
Learn more about Dram →

What is a Pennyweight? dwt

A pennyweight is a unit of mass equal to 24 grains or 1/20 of a troy ounce (1.55517384 grams). Used in the jewelry trade for weighing precious metals.

Troy jewelry manufacturing precious metal trade goldsmithing
Learn more about Pennyweight →

Going the other way? Use our Pennyweights to Drams converter.

Drams to Pennyweights FAQ

  • One avoirdupois dram equals approximately 1.139 pennyweights. Multiply the number of drams by this factor to get the equivalent in pennyweights.

  • The avoirdupois dram is 1/16 of an avoirdupois ounce, or about 1.772 grams. It was historically used for spices, small trade goods, and some pharmaceutical preparations.

  • Rarely. The dram is largely obsolete, and most practical applications that once used drams now use grams, milligrams, or ounces instead. This conversion is mainly relevant for historical research and reference tables.

Non-Frequently Asked Questions About Drams to Pennyweights

Questions nobody should ask - but someone did.

  • A medieval spice merchant knew drams, ounces, and pounds. The Pennyweight would be outside their professional vocabulary. They would understand the weight if you converted it to something familiar, but the unit name itself would be foreign to their trade.

  • Both date to medieval England, making them roughly contemporaneous. The dram descends from the Greek drachma (over 2,500 years old as a concept), while the pennyweight descends from the English silver penny (about 800 years old). In terms of etymological ancestry, the dram has deeper roots.

  • It is difficult to imagine an emergency requiring this specific conversion. If such a situation arose, it would likely involve a historian, an antique appraiser, or a very unusual cooking competition where the judges insisted on archaic measurement units.

Need the reverse? Use our Pennyweights to Drams converter. See all Weight & Mass converters.