An avoirdupois pound is exactly 0.45359237 kilograms.
Pounds to Slugs
Convert pounds (lb) to slugs (slug) instantly. Free online weight converter with formulas, tables and examples.
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Convert metric, imperial, and nautical distance units.
A slug is an imperial mass unit.
slug = lb × 0.0310809501716
Results update instantly for Pounds to Slugs conversions.
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Formula
slug = lb × 0.0310809501716
lb = slug ÷ 0.0310809501716
Conversion table
| 1 lb | 0.031081 slug |
| 5 lb | 0.155405 slug |
| 10 lb | 0.310810 slug |
| 20 lb | 0.621619 slug |
| 50 lb | 1.554048 slug |
| 100 lb | 3.108095 slug |
| 500 lb | 15.540475 slug |
| 1000 lb | 31.080950 slug |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the pound (lb). An avoirdupois pound is exactly 0.45359237 kilograms.
What is the destination unit in this conversion?
The destination unit is the slug (slug). A slug is an imperial mass unit.
How do I convert pounds to slugs?
Multiply the number of pounds by 0.0310809501716 to get the equivalent value in slugs. For example, 5 lb × 0.0310809501716 = 0.155405 slug.
Is the pound to slug conversion exact?
Yes. This converter uses a fixed factor of 0.0310809501716, so results are precise and consistent every time you use it.
Where is this conversion commonly used?
It's used in everyday measurement, shipping and logistics, scientific and industrial work, and any context where you need to switch between pound and slug values.
Can I convert slugs back to pounds?
Yes. Multiply the slugs value by 32.1740485564, or divide it by 0.0310809501716, to convert back to pounds.
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About this conversion
This page converts pounds (lb) into slugs (slug) using the Universal Converter's mass conversion engine.
Pound-to-Slug conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is slug = lb × 0.0310809501716, based on the standard definitions of pound and slug.
Because the conversion factor is fixed, results stay consistent and repeatable no matter how many times you calculate them.
Pound: An avoirdupois pound is exactly 0.45359237 kilograms. Slug: A slug is an imperial mass unit.