Dram to Pound Converter
Convert Dram (dr) to Pound (lb) instantly. 1 dr = 0.003906 lb.
Mass Converter
26 units available
1 dr = 0.003906 lb
Formula:
lb = dr × 0.00390625With your value: 1 dr = 0.00390625 lb
How big is that?
Everyday references on a logarithmic scale, all expressed in dram so you can sanity-check the result.
Other Dram to Pound conversions
Dram to Pound Conversion Table
| Dram (dr) | Pound (lb) |
|---|---|
| 0.5 | 0.001953 |
| 1 | 0.003906 |
| 2 | 0.007813 |
| 5 | 0.019531 |
| 10 | 0.039063 |
| 15 | 0.058594 |
| 20 | 0.078125 |
| 25 | 0.097656 |
| 50 | 0.195313 |
| 100 | 0.390625 |
| 250 | 0.976563 |
| 500 | 1.953125 |
| 1000 | 3.90625 |
Pound to Dram Conversion Table
| Pound (lb) | Dram (dr) |
|---|---|
| 0.5 | 128 |
| 1 | 256 |
| 2 | 512 |
| 5 | 1,280 |
| 10 | 2,560 |
| 15 | 3,840 |
| 20 | 5,120 |
| 25 | 6,400 |
| 50 | 12,800 |
| 100 | 25,600 |
| 250 | 64,000 |
| 500 | 128,000 |
| 1000 | 256,000 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Dram (dr)
Mass
Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Pound (lb)
Mass
1 avoirdupois pound = 0.453 592 37 kg exactly (1959 international agreement).
Source: International Yard and Pound Agreement of 1959; NIST Federal Register Notice 59-5442
US, UK, Canada, Australia, New Zealand, South Africa · Reviewed 2026-07-01
How to Convert Dram to Pound
To convert from Dram (dr) to Pound (lb), multiply the value by 0.00390625.
Formula: lb = dr × 0.00390625
Reverse: dr = lb × 256
Step-by-Step Example
- Start with your value in Dram. For example: 5 dr
- Multiply by the conversion factor: 5 x 0.00390625
- The result is: 0.019531 lb
About Dram
The dram (dr) is a unit of mass and weight. One dram equals 0.001771845195 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: mass calculations, engineering and science, education.
About Pound
The pound (lb) is an imperial unit of mass equal to exactly 0.45359237 kilograms. It is the primary unit of weight in the United States.
Fun Fact: The abbreviation "lb" comes from the Latin "libra pondo" meaning "a pound by weight."
Common uses: body weight (US), food packaging, shipping.
Frequently Asked Questions
How many Pound are in 1 Dram?
There are exactly 0.00390625 Pound in 1 Dram. This means the conversion factor from Dram to Pound is 0.00390625.
What is the formula to convert Dram to Pound?
The formula to convert Dram to Pound is: lb = dr × 0.00390625. For example, to convert 10 Dram to Pound, you would multiply 10 by 0.00390625.
What is a Dram?
The dram (dr) is a unit of mass and weight. One dram equals 0.001771845195 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Pound?
The pound (lb) is an imperial unit of mass equal to exactly 0.45359237 kilograms. It is the primary unit of weight in the United States.
What are the common uses of Dram?
The Dram is commonly used in mass calculations, engineering and science, education.
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Dram to Pound converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/dram-to-pound