How many centigrams are in one scruple?

One scruple equals approximately 129.60 centigrams. This comes from 1 scruple being about 1.296 grams and 1 gram equaling 100 centigrams.

Is the scruple still used in any field?

No. The scruple was officially abandoned by pharmacy in the mid-20th century in favor of metric units. It survives only in historical pharmaceutical texts and as an English word meaning a moral hesitation or ethical concern.

Where does the word 'scruple' come from?

From Latin 'scrupulus,' meaning a small sharp stone. The Romans used it as both a weight unit and a metaphor for a nagging worry - like a pebble in your sandal. Both meanings survived into English, though the weight unit eventually died out while the moral meaning thrived.

Centigrams to Scruples (cg to s ap) Converter

1 cg = 0.0077 s ap

1 Centigram equals 0.0077 Scruples (1 cg = 0.0077 s ap). Convert Centigrams to Scruples with formula, table, and examples.

One centigram equals approximately 0.007716 scruples. The scruple, an apothecary unit of about 1.296 grams, is roughly 130 times heavier than a centigram. Both units occupy the small-mass end of their respective systems, but while the centigram is simply obscure, the scruple is genuinely extinct in modern practice - surviving only in historical texts and as a metaphor for moral doubt.

How to Convert Centigrams to Scruples

s ap = cg × 0.0077161792

Multiply the value in Centigrams by 0.0077161792

Take your value in Centigrams
Multiply by 0.0077161792
Read the result in Scruples

Common Centigrams to Scruples Conversions

Centigrams (cg)	Scruples (s ap)	Status
1 cg	0.00771618 s ap
5 cg	0.0385809 s ap
10 cg	0.07716179 s ap
50 cg	0.38580896 s ap
100 cg	0.77161792 s ap
250 cg	1.92904479 s ap
500 cg	3.85808959 s ap
1,000 cg	7.71617918 s ap
2,500 cg	19.29044794 s ap
5,000 cg	38.58089588 s ap
10,000 cg	77.16179176 s ap
50,000 cg	385.80895882 s ap
100,000 cg	771.61791765 s ap

Good to Know About Centigrams to Scruples Conversion

The scruple's demise in pharmacy was a matter of patient safety. Having three different weight systems (avoirdupois, troy, and apothecary) in circulation caused potentially fatal dosing errors. The global adoption of the metric system in pharmacy - one gram, one milligram, one microgram - eliminated the confusion between scruples, drams, and grains that had plagued medicine for centuries.

Centigrams to Scruples: What You Need to Know

A scruple (20 grains, about 1.296 grams or 129.6 centigrams) was once a standard pharmaceutical measure. A physician in the 1800s might prescribe 'two scruples of quinine' for malaria treatment. Today that dose would be written as 2,592 milligrams or 259.2 centigrams - though no modern pharmacist would use centigrams either. Both units have been displaced by the milligram.

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 →

What is a Scruple? s ap

An apothecary scruple equals 20 grains or 1/3 of a dram apothecary (1.2959782 grams). A historical pharmaceutical unit largely replaced by metric measurements.

Apothecaries historical pharmacy historical medicine

Learn more about Scruple →

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

Centigrams to Scruples FAQ

One scruple equals approximately 129.60 centigrams. This comes from 1 scruple being about 1.296 grams and 1 gram equaling 100 centigrams.
No. The scruple was officially abandoned by pharmacy in the mid-20th century in favor of metric units. It survives only in historical pharmaceutical texts and as an English word meaning a moral hesitation or ethical concern.
From Latin 'scrupulus,' meaning a small sharp stone. The Romans used it as both a weight unit and a metaphor for a nagging worry - like a pebble in your sandal. Both meanings survived into English, though the weight unit eventually died out while the moral meaning thrived.

Non-Frequently Asked Questions About Centigrams to Scruples

Questions nobody should ask - but someone did.

It might be. You can have scruples about a decision and weigh scruples on a balance - same word, same etymology, completely different applications. Other units lack this dual life: nobody has a 'gram of regret' or an 'ounce of existential dread' in any literal sense, though people try.
Morally and metrically, yes. Zero scruples of conscience and zero centigrams of substance leaves you with nothing in either system. However, the complete absence of scruples is generally considered a character flaw rather than a measurement achievement.
A well-educated pharmacist would recognize the term from pharmacy history courses but would absolutely refuse to fill a prescription written in scruples. Modern pharmacy licensing requires metric-only notation. Presenting a scruple-based prescription today would trigger a call to the prescribing physician, not a trip to the compounding bench.