# Drams to Scruples (dr to s ap)

Source: https://www.unitconvertercalculator.com/weight/drams-to-scruples/

**1 dr = 1.3671875 s ap**

One dram equals approximately 1.367 scruples. The avoirdupois dram (about 1.772 grams) and the Skrupel serve different measurement traditions. This conversion connects the old English spice-trading unit to the Skrupel, bridging systems that evolved independently for different commercial and scientific purposes.

## Formula

Apply the conversion factor

## Conversion Table

| Drams (dr) | Scruples (s ap) |
|---|---|
| 0.5 dr | 0.68359375 s ap |
| 1 dr | 1.3671875 s ap |
| 2 dr | 2.734375 s ap |
| 5 dr | 6.8359375 s ap |
| 10 dr | 13.671875 s ap |
| 16 dr | 21.875 s ap |
| 25 dr | 34.1796875 s ap |
| 50 dr | 68.359375 s ap |
| 100 dr | 136.71875 s ap |
| 256 dr | 350 s ap |
| 500 dr | 683.59375 s ap |
| 1000 dr | 1367.1875 s ap |

## Units

### 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.

### 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.

## Background

The dram was once standard in British spice shops and apothecaries. The Skrupel 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.

## Good to Know

The dram and scruple were companion units in the apothecary's toolkit: 3 scruples made 1 apothecary dram, and 8 apothecary drams made 1 apothecary ounce. The avoirdupois dram (used here) is different from the apothecary dram, creating endless confusion. This naming disaster was one reason pharmacy worldwide switched to the unambiguous milligram.

## FAQ

### How do you convert drams to scruples?

One avoirdupois dram equals approximately 1.367 scruples. Multiply the number of drams by this factor to get the equivalent in scruples.

### What is an avoirdupois dram?

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.

### Is this conversion commonly used?

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

### Would a medieval spice merchant recognize scruples?

A medieval spice merchant knew drams, ounces, and pounds. The Skrupel 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.

### Is the dram the most nostalgic unit in this converter?

The dram carries centuries of spice-trading history. It evokes images of wooden ships carrying pepper from the East Indies, apothecary shops with glass jars of powdered herbs, and market stalls where a dram of saffron cost a day's wages. Few units carry as much romantic commercial history.

### Has anyone ever urgently needed to convert drams to scruples?

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.

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## See Also

- [Scruples to Drams](https://www.unitconvertercalculator.com/weight/scruples-to-drams/)