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Scruple to Gram Converter

Enter the value that you want to convert scruple (s.ap) to gram (g) or gram to scruple.Also written as S.AP to G conversion.

1 scruple = 1.2959782 gram

Formula: gram = scruple value × 1.2959782

S.AP to Gscruple to gram

s.ap
12.95978g

10 scruple = 12.95978 gram

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Scruple to Gram: The Essentials

Understanding the Scruple

Scruple (s.ap) is a unit of weight measurement. 1 scruple is equal to 1.2959782 gram.

Understanding the Gram

Gram (g) is a unit of weight measurement. 1 gram is equal to 0.7716179 scruple.

Understanding Weight Conversions

Weight unit conversions are among the most frequently performed in daily life. International commerce ships in metric tonnes and kilograms, while US domestic logistics uses pounds and ounces. Recipes from different countries use different systems — a European cake recipe in grams versus an American one in cups and ounces. Pharmacists convert between milligrams and grains for medication dosing. Athletes track body weight across metric and imperial systems depending on their country and sport federation requirements.

scruple to gram metric conversion table

0.01 s.ap=0.01296 g
0.1 s.ap=0.12960 g
1 s.ap=1.29598 g
2 s.ap=2.59196 g
3 s.ap=3.88793 g
4 s.ap=5.18391 g
5 s.ap=6.47989 g
6 s.ap=7.77587 g
7 s.ap=9.07185 g
8 s.ap=10.36783 g
9 s.ap=11.66380 g
10 s.ap=12.95978 g
11 s.ap=14.25576 g
12 s.ap=15.55174 g
13 s.ap=16.84772 g
14 s.ap=18.14369 g
15 s.ap=19.43967 g
16 s.ap=20.73565 g
17 s.ap=22.03163 g
18 s.ap=23.32761 g
19 s.ap=24.62359 g
20 s.ap=25.91956 g
30 s.ap=38.87935 g
40 s.ap=51.83913 g
50 s.ap=64.79891 g
60 s.ap=77.75869 g
70 s.ap=90.71847 g
80 s.ap=103.67826 g
90 s.ap=116.63804 g
100 s.ap=129.59782 g
200 s.ap=259.19564 g
300 s.ap=388.79346 g
400 s.ap=518.39128 g
500 s.ap=647.98910 g
600 s.ap=777.58692 g
700 s.ap=907.18474 g
800 s.ap=1036.78256 g
900 s.ap=1166.38038 g
1000 s.ap=1295.97820 g

How to Convert S.AP to G (Scruple to Gram)?

We can convert scruple to gram by using an example.

Example:

Convert 20 Scruple to Gram?

We know 1 Scruple = 1.2959782 gram; 1 Gram = 0.7716179 scruple.

20 scruple = ___g

20 × 1.2959782 = 25.91956 g (we know 1 scruple = 1.2959782 gram)

Answer:

20 scruple = 25.91956 gram

How to Convert Scruples to Grams (Step-by-Step)

One apothecary scruple equals 1.29598 grams. This conversion is most useful when interpreting historical pharmaceutical formulations, traditional herbal medicine recipes, and ancient medical texts for modern preparation.

  1. Identify the mass in scruples (℈) you want to convert.
  2. Multiply by 1.29598 to get the value in grams.
  3. For a quick estimate: 1 scruple ≈ 1.3 grams.
  4. Verify: 3 scruples = 1 dram ≈ 3.89 grams.
💡 Tip: Quick approximation: 1 scruple ≈ 1.3 g. For rough work, multiply scruples by 1.3. For pharmaceutical precision, use the full 1.29598 factor.

Common Scruple to Gram Conversions

Reference values for interpreting historical prescriptions and apothecary formulations.

ScrupleGram
0.5 ℈0.648 g
1 ℈1.296 g
2 ℈2.592 g
3 ℈3.888 g
5 ℈6.480 g
10 ℈12.960 g
24 ℈31.103 g

Solved Examples: Scruples to Grams

Question 1: A Victorian cough remedy calls for "℈ij of ipecac" (2 scruples). Convert to grams for modern preparation.

Solution:

Mass in grams = 2 × 1.29598

= 2.592 g

Answer: 2 scruples of ipecac = 2.59 grams.

Question 2: An old herbalist text requires "℈vi of dried chamomile" (6 scruples). Express in grams.

Solution:

Mass in grams = 6 × 1.29598

= 7.776 g

Answer: 6 scruples = 7.78 grams of dried chamomile.

Question 3: A historical anesthesia record shows "℈ss" (half scruple) of chloroform. How many grams?

Solution:

Mass in grams = 0.5 × 1.29598

= 0.648 g

Answer: Half scruple = 0.648 grams (10 grains) of chloroform.

Question 4: Convert 8 scruples of prepared chalk (antite antacid) to grams.

Solution:

Mass in grams = 8 × 1.29598

= 10.368 g

Answer: 8 scruples = 10.37 grams of prepared chalk.

Practice Questions: Scruples to Grams

Try solving these on your own to test your understanding:

  1. Convert 4 scruples to grams. (Answer: 5.184 g)
  2. A recipe uses 1.5 scruples of sulfur. How many grams? (Answer: 1.944 g)
  3. Express 12 scruples in grams. (Answer: 15.552 g)
  4. Convert 0.25 scruples to grams. (Answer: 0.324 g)
  5. How many scruples in 10 grams? (Answer: 7.72 ℈)

Interpreting Apothecary Prescriptions for Modern Use

Historical herbal and pharmaceutical texts often give quantities in scruples. To safely recreate these formulations: convert to grams, verify against modern pharmacopeias for safe dosage, and adjust for potency differences between historical and modern preparations. A "2-scruple dose" (2.59 g) of a dried herb may be safe, but the same dose of a concentrated extract could be dangerous. Always verify with modern toxicology data.

The Scruple in Medieval and Renaissance Medicine

Medieval physicians like Galen and later Renaissance doctors prescribed in scruples for precision. "One scruple of opium" (1.3 g) was a significant dose; "half a scruple" was therapeutic. The system worked because apothecary balances were calibrated in grains and scruples, providing milligram-level precision centuries before the metric system. This precision was essential when dealing with potent drugs like mercury, arsenic compounds, and opiates.

Comparison: Scruple, Dram, and Modern Equivalents

The apothecary chain: 1 scruple (1.296 g) → 3 scruples = 1 dram (3.888 g) → 8 drams = 1 oz (31.1 g). Modern equivalents: a scruple is slightly more than a quarter teaspoon of a powder, a dram is close to a teaspoon (for water), and an apothecary ounce equals a troy ounce. These comparisons help visualize historical doses in practical kitchen terms.

Key Takeaways

  • 1 scruple = 1.29598 grams (≈ 1.3 g for quick estimates).
  • 1 scruple = 20 grains; 3 scruples = 1 dram (3.89 g).
  • Used in historical pharmacy, herbal medicine, and medieval medical texts.
  • Always verify historical doses against modern safety data before preparation.
  • A scruple is roughly a quarter teaspoon of a typical powder.
  • The apothecary ounce (24 scruples) = troy ounce = 31.1 g.

Scruple to Gram Conversion Formula

gram = scruple × 1.2959782

1 scruple = 1.2959782 gram

1 gram = 0.7716179 scruple

Reverse: scruple = gram × 0.7716179

Frequently Asked Questions

How many gram are in 1 scruple?

There are 1.2959782 gram in 1 scruple. To convert scruple to gram, multiply the value by 1.2959782.

How do I convert scruple to gram?

Multiply your scruple value by 1.2959782 to get the equivalent in gram. For example, 5 scruple = 5 × 1.2959782 = 6.47989 gram.

How do I convert gram to scruple?

Multiply your gram value by 0.7716179 to get the equivalent in scruple. Alternatively, divide by 1.2959782.

What is 10 scruple in gram?

10 scruple is equal to 12.95978 gram.

What is 100 scruple in gram?

100 scruple is equal to 129.59782 gram.