Slug to Atomic Mass Unit Converter

Mass Converter

26 units available

Decimals:

From

To

8.788654e+27

1 slug = 8.788654e+27 u

Formula:

u = slug × 8.788654e+27

With your value: 1 slug = 8.788654e+27 u

How big is that?

Everyday references on a logarithmic scale, all expressed in slug so you can sanity-check the result.

Can of soda (1/37 your value)0.0267 slug

Bag of sugar (1/15 your value)0.0685 slug

House cat (1/3.2 your value)0.308 slug

Your value1.00 slug

Adult human (4.8× your value)4.80 slug

Grand piano (27× your value)27.4 slug

Other Slug to Atomic Mass Unit conversions

2 slug to u 3 slug to u 4 slug to u 5 slug to u 6 slug to u 7 slug to u 8 slug to u

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

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

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.

Slug (slug)

Mass

Exact conversion

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

Atomic Mass Unit (u)

Mass

Measured constant

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

How to Convert Slug to Atomic Mass Unit

To convert from Slug (slug) to Atomic Mass Unit (u), multiply the value by 8.788654e+27.

Formula: u = slug × 8.788654e+27

Reverse: slug = u × 1.137831e-28

Step-by-Step Example

Start with your value in Slug. For example: 5 slug
Multiply by the conversion factor: 5 x 8.788654e+27
The result is: 4.394327e+28 u

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.

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.

Frequently Asked Questions

How many Atomic Mass Unit are in 1 Slug?

There are exactly 8.788654e+27 Atomic Mass Unit in 1 Slug. This means the conversion factor from Slug to Atomic Mass Unit is 8.788654e+27.

What is the formula to convert Slug to Atomic Mass Unit?

The formula to convert Slug to Atomic Mass Unit is: u = slug × 8.788654e+27. For example, to convert 10 Slug to Atomic Mass Unit, you would multiply 10 by 8.788654e+27.

What is a Slug?