Mass and Weight · Unit Converter

Convert Decigram to Dram (apothecary/troy)

Convert decigrams to drams (apothecary/troy) instantly. 1 decigram = 0.0257205973 dram (apothecary/troy) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dram (apothecary/troy) to Decigram converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Metric / SI

Decigram

What is a decigram?

A decigram (dg) equals 0.0001 kilogram, or 0.1 gram.

Origin of the decigram

From the SI prefix 'deci-' (from Latin 'decimus', tenth).

Where it is used

Occasional laboratory and pharmacy use.

When and where it was developed

Part of the original metric system of 1795.

Troy & Apothecary

Dram (apothecary/troy)

What is a dram (apothecary/troy)?

The apothecary (troy) dram equals one-eighth of a troy ounce, about 3.888 grams.

Origin of the dram (apothecary/troy)

From the apothecaries' system rooted in the Greek 'drachma'.

Where it is used

Historical pharmacy and medicine compounding.

When and where it was developed

Part of the apothecaries' system of weights used through the 19th century.

Decigram to Dram (apothecary/troy) conversion formula

The relationship between decigrams and drams (apothecary/troy):

1 dg = 0.0257205973 dr ap
1 dr ap = 38.879346 dg

To convert decigrams to drams (apothecary/troy), multiply the value in decigrams by 0.0257205973. To reverse, multiply drams (apothecary/troy) by 38.879346.

How to use this converter

Type a value into the calculator. The result in drams (apothecary/troy) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Dram (apothecary/troy) to Decigram converter for the reverse direction.

Step-by-step: convert decigrams to drams (apothecary/troy)

  1. Write down the value in decigrams (dg).
  2. Multiply that value by the factor 0.0257205973.
  3. The product is the equivalent value in drams (apothecary/troy) (dr ap).
  4. To reverse, multiply the dram (apothecary/troy) value by 38.879346.

Worked examples

Example 1 — Convert 1 dg to dr ap:
1 × 0.0257205973 = 0.0257205973 dr ap

Example 2 — Convert 100 dg to dr ap:
100 × 0.0257205973 = 2.5720597255 dr ap

Real-world example — Packaging gauge

A 4-decigram plastic bag thickness is a common spec for grocery and freezer bags. Converting from decigrams to drams (apothecary/troy) is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 dg × 0.0257205973 = 0.102882389 dr ap

Real-world example — Plastic film and laminate thickness

A 500-decigram sheet is a typical spec for ID-card laminates and film overlays. Converting to drams (apothecary/troy) aligns the value with the unit most CAD systems and material datasheets prefer.

500 dg × 0.0257205973 = 12.8602986275 dr ap

Decigram to Dram (apothecary/troy) conversion table

Standard reference values for converting decigrams to drams (apothecary/troy):

Decigram [dg]Dram (apothecary/troy) [dr ap]
0.010.000257206
0.10.0025720597
10.0257205973
20.0514411945
30.0771617918
40.102882389
50.1286029863
100.2572059725
200.5144119451
300.7716179176
401.0288238902
501.2860298627
1002.5720597255
50012.8602986275
100025.7205972549

Frequently asked questions

How many drams (apothecary/troy) is 1 decigram?
1 decigram equals 0.0257205973 dram (apothecary/troy).
How do I convert decigrams to drams (apothecary/troy)?
Multiply the value in decigrams by 0.0257205973 to get drams (apothecary/troy).
How do I convert drams (apothecary/troy) back to decigrams?
Multiply the value in drams (apothecary/troy) by 38.879346, or use the Dram (apothecary/troy) to Decigram converter.
How many drams (apothecary/troy) is 100 decigrams?
100 decigrams equals 2.5720597255 drams (apothecary/troy), because 100 × 0.0257205973 = 2.5720597255.

Convert Decigram to other weight units

Show all Decigram conversions
Metric / SI (17 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 dg = 0.0257205973 dr ap) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.