An avoirdupois dram is 1/16 ounce.
Drams to US hundredweights Converter — dr to cwt
Convert Dram (dr) to US hundredweight (cwt) using the exact conversion factor (1 dram = 0.0000390625 us hundredweight). See the formula, worked examples, and conversion table.
Drams to US 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.
A US short hundredweight is 100 pounds.
Result = input x 0.001771845195 / 45.359237.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams to US hundredweights
Weight conversions between Dram and US 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 a US short hundredweight is 100 pounds.
Formula
us hundredweights = drams × 0.0000390625
This factor comes from each unit's defined relationship to the category's base unit: 1 dram equals 0.00177184519531 base units, and 1 us hundredweight equals 45.359237 base units, so dividing one by the other gives the direct dram-to-us hundredweight factor of 0.0000390625.
Simple example
1 dr × 0.0000390625 = 0.0000390625 cwt
1 dram = 0.0000390625 us hundredweights.
Real-world example
50 dr × 0.0000390625 = 0.001953125 cwt
50 drams = 0.001953125 us hundredweights.
Conversion table
| Dram (dr) | US hundredweight (cwt) |
|---|---|
| 1 dr | 0.0000390625 cwt |
| 5 dr | 0.0001953125 cwt |
| 10 dr | 0.000390625 cwt |
| 25 dr | 0.0009765625 cwt |
| 50 dr | 0.001953125 cwt |
| 100 dr | 0.00390625 cwt |
Reverse conversion: US hundredweight to Dram
0.0000390625 cwt × 25600 = 1 dr
0.0000390625 us hundredweights = 1 dram.
drams = us hundredweights × 25600
For a page dedicated to this direction, see US hundredweight to Dram.
Understanding the Dram (dr)
An avoirdupois dram is 1/16 ounce.
Understanding the US hundredweight (cwt)
A US short hundredweight is 100 pounds.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many us hundredweights are in 1 dram?
1 dram equals 0.0000390625 us hundredweights, using the exact defined conversion factor rather than an estimate.
How do I convert dram to us hundredweight?
Multiply the dram value by 0.0000390625. The converter above does this instantly to whatever precision you set.
How do I convert us hundredweight back to dram?
Use the reverse factor: 1 us hundredweight equals 25,600 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 us hundredweight?
US hundredweight (cwt) is a unit of mass/weight.
Is the dram to us hundredweight conversion exact?
Yes. Both dram and us hundredweight are defined by fixed standards rather than physical artifacts, so the factor of 0.0000390625 used above is exact to as many digits as you choose to display.