Atomic Mass Unit to Slug Converter
Convert Atomic Mass Unit (u) to Slug (slug) instantly. 1 u = 1.137831e-28 slug.
Mass Converter
26 units available
1 u = 1.137831e-28 slug
Formula:
slug = u × 1.137831e-28With your value: 1 u = 1.137831e-28 slug
How big is that?
Everyday references on a logarithmic scale, all expressed in atomic mass unit so you can sanity-check the result.
Other Atomic Mass Unit to Slug conversions
Atomic Mass Unit to Slug Conversion Table
| Atomic Mass Unit (u) | Slug (slug) |
|---|---|
| 0.5 | 5.689153e-29 |
| 1 | 1.137831e-28 |
| 2 | 2.275661e-28 |
| 5 | 5.689153e-28 |
| 10 | 1.137831e-27 |
| 15 | 1.706746e-27 |
| 20 | 2.275661e-27 |
| 25 | 2.844577e-27 |
| 50 | 5.689153e-27 |
| 100 | 1.137831e-26 |
| 250 | 2.844577e-26 |
| 500 | 5.689153e-26 |
| 1000 | 1.137831e-25 |
Slug to Atomic Mass Unit Conversion Table
| Slug (slug) | Atomic Mass Unit (u) |
|---|---|
| 0.5 | 4.394327e+27 |
| 1 | 8.788654e+27 |
| 2 | 1.757731e+28 |
| 5 | 4.394327e+28 |
| 10 | 8.788654e+28 |
| 15 | 1.318298e+29 |
| 20 | 1.757731e+29 |
| 25 | 2.197163e+29 |
| 50 | 4.394327e+29 |
| 100 | 8.788654e+29 |
| 250 | 2.197163e+30 |
| 500 | 4.394327e+30 |
| 1000 | 8.788654e+30 |
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.
Atomic Mass Unit (u)
Mass
The unified atomic mass unit is 1/12 the mass of a free carbon-12 atom: 1.660 539 068 92(52) × 10⁻²⁷ kg.
Experimentally determined; the last digits carry the CODATA 2022 uncertainty.
Source: CODATA Internationally Recommended Values of the Fundamental Physical Constants (2022 adjustment)
CODATA / NIST · Reviewed 2026-07-01
Slug (slug)
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
How to Convert Atomic Mass Unit to Slug
To convert from Atomic Mass Unit (u) to Slug (slug), multiply the value by 1.137831e-28.
Formula: slug = u × 1.137831e-28
Reverse: u = slug × 8.788654e+27
Step-by-Step Example
- Start with your value in Atomic Mass Unit. For example: 5 u
- Multiply by the conversion factor: 5 x 1.137831e-28
- The result is: 5.689153e-28 slug
About Atomic Mass Unit
The unified atomic mass unit (dalton) is 1/12 the mass of a carbon-12 atom, about 1.66054×10⁻²⁷ kg.
Common uses: chemistry, mass spectrometry, molecular biology.
About Slug
The slug is the unit of mass in the English engineering system: the mass accelerated at 1 ft/s² by 1 pound-force, about 14.5939 kg.
Common uses: aerospace engineering, US fluid mechanics.
Frequently Asked Questions
How many Slug are in 1 Atomic Mass Unit?
There are exactly 1.137831e-28 Slug in 1 Atomic Mass Unit. This means the conversion factor from Atomic Mass Unit to Slug is 1.137831e-28.
What is the formula to convert Atomic Mass Unit to Slug?
The formula to convert Atomic Mass Unit to Slug is: slug = u × 1.137831e-28. For example, to convert 10 Atomic Mass Unit to Slug, you would multiply 10 by 1.137831e-28.
What is a Atomic Mass Unit?
The unified atomic mass unit (dalton) is 1/12 the mass of a carbon-12 atom, about 1.66054×10⁻²⁷ kg.
What is a Slug?
The slug is the unit of mass in the English engineering system: the mass accelerated at 1 ft/s² by 1 pound-force, about 14.5939 kg.
What are the common uses of Atomic Mass Unit?
The Atomic Mass Unit is commonly used in chemistry, mass spectrometry, molecular biology.
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Atomic Mass Unit to Slug converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/atomic_mass_unit-to-slug