How many centigrams are in one pennyweight?

One pennyweight equals approximately 155.517 centigrams. This is derived from the pennyweight's mass of 1.55517 grams, multiplied by 100 to convert grams to centigrams.

When would someone need to convert pennyweights to centigrams?

This conversion is primarily relevant for historical research into old pharmacy and alchemy records, where precious metals and pharmaceutical ingredients were measured in different weight systems. Historians, antique document translators, and museum curators working with period apothecary equipment may encounter both units.

How do I perform this conversion?

Multiply the number of pennyweights by 155.517 to get centigrams. For example, 5 pennyweights equals approximately 777.6 centigrams. Alternatively, multiply pennyweights by 1.55517 to get grams, then multiply by 100 for centigrams.

Pennyweights to Centigrams (dwt to cg) Converter

1 dwt = 155.5174 cg

1 Pennyweight equals 155.5174 Centigrams (1 dwt = 155.5174 cg). Convert Pennyweights to Centigrams with formula, table, and examples.

One pennyweight equals approximately 155.517 centigrams. This conversion connects the troy weight system's pennyweight, used in precious metals trading, with the metric system's centigram, a unit historically favored in European pharmaceutical compounding. Both units occupy a niche space between everyday measurements and highly specialized applications.

How to Convert Pennyweights to Centigrams

cg = dwt × 155.517384

Multiply the value in Pennyweights by 155.517384

Take your value in Pennyweights
Multiply by 155.517384
Read the result in Centigrams

Common Pennyweights to Centigrams Conversions

Pennyweights (dwt)	Centigrams (cg)	Status
0.1 dwt	15.552 cg
0.5 dwt	77.759 cg
1 dwt	155.517 cg
5 dwt	777.587 cg
10 dwt	1,555.174 cg
20 dwt	3,110.348 cg
50 dwt	7,775.869 cg
100 dwt	15,551.738 cg
200 dwt	31,103.477 cg
240 dwt	37,324.172 cg
500 dwt	77,758.692 cg
1,000 dwt	155,517.384 cg

Good to Know About Pennyweights to Centigrams Conversion

The pennyweight and centigram represent two fundamentally different approaches to measurement. The pennyweight grew organically from medieval commerce, its size determined by the weight of a silver coin. The centigram was deliberately engineered during the French Revolution as part of a rational, decimal-based system. Their coexistence in historical pharmacy records marks the transition point between these two philosophies.

Pennyweights to Centigrams: What You Need to Know

Antique apothecary ledgers from the 18th and 19th centuries occasionally record precious metal ingredients for medicinal preparations in pennyweights alongside pharmaceutical compounds measured in centigrams. Researchers transcribing these historical documents need to understand both units. Modern analytical laboratories rarely use centigrams, but the conversion remains relevant when studying historical recipes that blended metallic compounds with pharmaceutical bases.

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 →

What is a Centigram? cg

A centigram is one hundredth of a gram. It is a metric unit rarely used in everyday life but appears in some scientific and educational contexts.

Metric scientific measurement education

Learn more about Centigram →

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

Pennyweights to Centigrams FAQ

One pennyweight equals approximately 155.517 centigrams. This is derived from the pennyweight's mass of 1.55517 grams, multiplied by 100 to convert grams to centigrams.
This conversion is primarily relevant for historical research into old pharmacy and alchemy records, where precious metals and pharmaceutical ingredients were measured in different weight systems. Historians, antique document translators, and museum curators working with period apothecary equipment may encounter both units.
Multiply the number of pennyweights by 155.517 to get centigrams. For example, 5 pennyweights equals approximately 777.6 centigrams. Alternatively, multiply pennyweights by 1.55517 to get grams, then multiply by 100 for centigrams.

Non-Frequently Asked Questions About Pennyweights to Centigrams

Questions nobody should ask - but someone did.

Alchemists certainly would have appreciated both units, given their habit of combining gold with obscure pharmaceutical compounds. However, they predated the centigram by several centuries. The real overlap occurred in 19th-century pharmacies that stocked both precious metals (for dental fillings and medicinal compounds) and metric-measured drugs.
It is a strong contender. The intersection of medieval English coin weight with French Revolutionary pharmaceutical measurement produces a conversion that approximately zero people perform daily. Yet it exists, documented and precise, ready for the one historian who needs it at 2 AM while transcribing a Georgian apothecary's notebook.
At 155.517 centigrams per pennyweight, your frustration outnumbers your patience by roughly 155 to 1 in unit count alone. Whether this reflects the actual ratio of frustration to patience in your life depends on factors beyond the scope of weight conversion, though the mathematics are not encouraging.