An avoirdupois dram is 1/16 ounce.
Drams to Imperial hundredweights Converter — dr to long cwt
Convert Dram (dr) to Imperial hundredweight (long cwt) using the exact conversion factor (1 dram = 0.0000348772 imperial hundredweight). See the formula, worked examples, and conversion table.
Drams to Imperial hundredweights converter
Converter
Mass/Weight Converter
Convert SI mass, imperial weight, jewelry, atomic, and astronomy mass units.
Context values
Some unit families need one extra value for a physically accurate result.
An imperial long hundredweight is 112 pounds.
Result = input x 0.001771845195 / 50.80234544.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams to Imperial hundredweights
Weight conversions between Dram and Imperial hundredweight come up constantly in everyday commerce, shipping, and cooking, since US packaging is usually labeled in pounds while most of the rest of the world uses kilograms. Specifically: An avoirdupois dram is 1/16 ounce, and an imperial long hundredweight is 112 pounds.
Formula
imperial hundredweights = drams × 0.0000348772321429
This factor comes from each unit's defined relationship to the category's base unit: 1 dram equals 0.00177184519531 base units, and 1 imperial hundredweight equals 50.80234544 base units, so dividing one by the other gives the direct dram-to-imperial hundredweight factor of 0.0000348772321429.
Simple example
1 dr × 0.00003487723214 = 0.0000348772 long cwt
1 dram = 0.0000348772 imperial hundredweights.
Real-world example
50 dr × 0.00003487723214 = 0.0017438616 long cwt
50 drams = 0.0017438616 imperial hundredweights.
Conversion table
| Dram (dr) | Imperial hundredweight (long cwt) |
|---|---|
| 1 dr | 0.0000348772 long cwt |
| 5 dr | 0.0001743862 long cwt |
| 10 dr | 0.0003487723 long cwt |
| 25 dr | 0.0008719308 long cwt |
| 50 dr | 0.0017438616 long cwt |
| 100 dr | 0.0034877232 long cwt |
Reverse conversion: Imperial hundredweight to Dram
0.0000348772 long cwt × 28672 = 0.9999990784 dr
0.0000348772 imperial hundredweights = 0.9999990784 drams.
drams = imperial hundredweights × 28672
For a page dedicated to this direction, see Imperial hundredweight to Dram.
Understanding the Dram (dr)
An avoirdupois dram is 1/16 ounce.
Understanding the Imperial hundredweight (long cwt)
An imperial long hundredweight is 112 pounds.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many imperial hundredweights are in 1 dram?
1 dram equals 0.0000348772 imperial hundredweights, using the exact defined conversion factor rather than an estimate.
How do I convert dram to imperial hundredweight?
Multiply the dram value by 0.00003487723214. The converter above does this instantly to whatever precision you set.
How do I convert imperial hundredweight back to dram?
Use the reverse factor: 1 imperial hundredweight equals 28,672 drams. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram?
Dram (dr) is a unit of mass/weight.
What is a imperial hundredweight?
Imperial hundredweight (long cwt) is a unit of mass/weight.
Is the dram to imperial hundredweight conversion exact?
Yes. Both dram and imperial hundredweight are defined by fixed standards rather than physical artifacts, so the factor of 0.00003487723214 used above is exact to as many digits as you choose to display.