Micropound

The micropound (abbreviation μlb) is a small unit of avoirdupois weight and mass in the US and imperial systems of measurement, equal to one one-millionth (⁠1/1,000,000⁠) pound. It is equal to exactly ⁠453.59237/1,000,000,000⁠ kg or about 453.6 μg.

See also

• English, US, & imperial units of measurement
• Avoirdupois pound

References

Bibliography

• "Appendix E: General Tables of Units of Measurement" (PDF), Checking the Net Contents of Packaged Goods, NIST Handbook 133, NIST, December 2025, pp. 239, 260.

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