Direct conversion
Convert pound [lb] to slug [slug] instantly with formula, examples, chart, and FAQs.
1 pound [lb] = 0.031081 slug [slug]
1 pound [lb] = 0.031081 slug [slug]
Example: 1 pound [lb] equals 0.031081 slug [slug].
Weight and mass conversions use kilogram as the reference unit. Common factors include 1 pound = 0.45359237 kilogram and 1 ounce = 0.028349523125 kilogram.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.
The pound is a US customary and imperial mass unit equal to exactly 0.45359237 kilograms.
HistoryThe avoirdupois pound became the standard pound for general weight measurement in the modern yard-pound system.
Current usePounds are common for body weight, shipping, food labels, gym equipment, and consumer products in the United States.
The slug (slug) is a weight unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse slug when comparing weight values, checking specifications, converting between systems, or preparing quick estimates.
| pound [lb] | slug [slug] |
|---|---|
| 1 | 0.031081 |
| 2 | 0.062162 |
| 5 | 0.155405 |
| 10 | 0.31081 |
| 20 | 0.621619 |
| 25 | 0.777024 |
| 50 | 1.554048 |
| 100 | 3.108095 |
| 1000 | 31.08095 |
Use this formula: 1 pound [lb] = 0.031081 slug [slug] Enter your value in the calculator and the result updates instantly.
1 pound [lb] equals 0.031081 slug [slug].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.