Mass and Weight · Unit Converter

Convert Dram (avoirdupois) to Dekagram

Convert drams (avoirdupois) to dekagrams instantly. 1 dram (avoirdupois) = 0.17718452 dekagram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dekagram to Dram (avoirdupois) 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

Avoirdupois

Dram (avoirdupois)

What is a dram (avoirdupois)?

The avoirdupois dram (dr) equals one-sixteenth of an ounce, about 1.77 grams.

Origin of the dram (avoirdupois)

From Greek 'drachma' through Latin 'dragma'.

Where it is used

Historically pharmacy; today occasional cooking and firearms (powder) use.

When and where it was developed

Defined as 1/256 of the avoirdupois pound.

Metric / SI

Dekagram

What is a dekagram?

A dekagram (dag) equals 0.01 kilogram, or 10 grams.

Origin of the dekagram

From the SI prefix 'deka-' (from Greek 'deka', ten).

Where it is used

Widely used in Central and Eastern European cooking and shops (dag/dkg).

When and where it was developed

Part of the original metric system introduced in 1795.

Dram (avoirdupois) to Dekagram conversion formula

The relationship between drams (avoirdupois) and dekagrams:

1 dr = 0.17718452 dag
1 dag = 5.643833897 dr

To convert drams (avoirdupois) to dekagrams, multiply the value in drams (avoirdupois) by 0.17718452. To reverse, multiply dekagrams by 5.643833897.

How to use this converter

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

Step-by-step: convert drams (avoirdupois) to dekagrams

  1. Write down the value in drams (avoirdupois) (dr).
  2. Multiply that value by the factor 0.17718452.
  3. The product is the equivalent value in dekagrams (dag).
  4. To reverse, multiply the dekagram value by 5.643833897.

Worked examples

Example 1 — Convert 1 dr to dag:
1 × 0.17718452 = 0.17718452 dag

Example 2 — Convert 100 dr to dag:
100 × 0.17718452 = 17.718452 dag

Real-world example — Ruler-scale measurements

A 30-dram (avoirdupois) school ruler converts cleanly to dekagrams — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 dr × 0.17718452 = 5.3155356 dag

Real-world example — Hardware-scale dimensions

A 10-dram (avoirdupois) fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between drams (avoirdupois) and dekagrams daily when mixing metric and imperial tools.

10 dr × 0.17718452 = 1.7718452 dag

Real-world example — Postcard and small-object dimensions

A postcard is about 5 drams (avoirdupois) wide. Converting to dekagrams is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 dr × 0.17718452 = 0.8859226 dag

Dram (avoirdupois) to Dekagram conversion table

Standard reference values for converting drams (avoirdupois) to dekagrams:

Dram (avoirdupois) [dr]Dekagram [dag]
0.010.0017718452
0.10.017718452
10.17718452
20.35436904
30.53155356
40.70873808
50.8859226
101.7718452
203.5436904
305.3155356
407.0873808
508.859226
10017.718452
50088.59226
1000177.18452

Frequently asked questions

How many dekagrams is 1 dram (avoirdupois)?
1 dram (avoirdupois) equals 0.17718452 dekagram.
How do I convert drams (avoirdupois) to dekagrams?
Multiply the value in drams (avoirdupois) by 0.17718452 to get dekagrams.
How do I convert dekagrams back to drams (avoirdupois)?
Multiply the value in dekagrams by 5.643833897, or use the Dekagram to Dram (avoirdupois) converter.
How many dekagrams is 100 drams (avoirdupois)?
100 drams (avoirdupois) equals 17.718452 dekagrams, because 100 × 0.17718452 = 17.718452.

Convert Dram (avoirdupois) to other weight units

Show all Dram (avoirdupois) conversions
Metric / SI (18 units)
Avoirdupois (14 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 dr = 0.17718452 dag) verified against the following authoritative sources:

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