Stone to Slug Converter
Convert Stone (st) to Slug (slug) instantly. 1 st = 0.435133 slug.
Mass Converter
26 units available
1 st = 0.435133 slug
Formula:
slug = st × 0.4351333005With your value: 1 st = 0.4351333 slug
How big is that?
Everyday references on a logarithmic scale, all expressed in stone so you can sanity-check the result.
Other Stone to Slug conversions
Stone to Slug Conversion Table
| Stone (st) | Slug (slug) |
|---|---|
| 0.5 | 0.217567 |
| 1 | 0.435133 |
| 2 | 0.870267 |
| 5 | 2.175667 |
| 10 | 4.351333 |
| 15 | 6.527 |
| 20 | 8.702666 |
| 25 | 10.878333 |
| 50 | 21.756665 |
| 100 | 43.51333 |
| 250 | 108.783325 |
| 500 | 217.56665 |
| 1000 | 435.133301 |
Slug to Stone Conversion Table
| Slug (slug) | Stone (st) |
|---|---|
| 0.5 | 1.149073 |
| 1 | 2.298146 |
| 2 | 4.596293 |
| 5 | 11.490732 |
| 10 | 22.981463 |
| 15 | 34.472195 |
| 20 | 45.962927 |
| 25 | 57.453658 |
| 50 | 114.907317 |
| 100 | 229.814634 |
| 250 | 574.536584 |
| 500 | 1,149.073168 |
| 1000 | 2,298.146335 |
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.
Stone (st)
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
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 Stone to Slug
To convert from Stone (st) to Slug (slug), multiply the value by 0.4351333005.
Formula: slug = st × 0.4351333005
Reverse: st = slug × 2.2981463353
Step-by-Step Example
- Start with your value in Stone. For example: 5 st
- Multiply by the conversion factor: 5 x 0.4351333005
- The result is: 2.175667 slug
About Stone
The stone equals 14 pounds or about 6.35 kg. It is primarily used in the UK and Ireland for expressing body weight.
Fun Fact: The stone varied in weight depending on the commodity being weighed until it was standardized at 14 pounds in 1835.
Common uses: body weight (UK), agriculture.
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 Stone?
There are exactly 0.4351333005 Slug in 1 Stone. This means the conversion factor from Stone to Slug is 0.4351333005.
What is the formula to convert Stone to Slug?
The formula to convert Stone to Slug is: slug = st × 0.4351333005. For example, to convert 10 Stone to Slug, you would multiply 10 by 0.4351333005.
What is a Stone?
The stone equals 14 pounds or about 6.35 kg. It is primarily used in the UK and Ireland for expressing body weight.
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 Stone?
The Stone is commonly used in body weight (UK), agriculture.
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Stone to Slug converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/stone-to-slug