Mass and Weight · Unit Converter

Convert Wey to Slug

Convert weys to slugs instantly. 1 wey = 7.8323994432 slug — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Slug to Wey converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Avoirdupois

Wey

What is a wey?

The wey was an English bulk weight, here taken as 252 pounds (about 114.3 kg).

Origin of the wey

From Old English 'waege', a weighing or balance.

Where it is used

Obsolete English unit for wool, cheese, and salt.

When and where it was developed

Used in medieval and early-modern English trade.

Force / Engineering

Slug

What is a slug?

The slug is the mass that accelerates at 1 ft/s^2 under a force of one pound-force, about 14.59 kg.

Origin of the slug

Coined in the early 20th century for the British gravitational (engineering) system.

Where it is used

US and British engineering dynamics.

When and where it was developed

Introduced in the British gravitational system of units.

Wey to Slug conversion formula

Note: this conversion uses a generally accepted modern value. Historical and regional definitions of this unit varied across times and places.

The relationship between weys and slugs:

1 wey = 7.8323994432 slug
1 slug = 0.1276747959 wey

To convert weys to slugs, multiply the value in weys by 7.8323994432. To reverse, multiply slugs by 0.1276747959.

How to use this converter

Type a value into the calculator. The result in slugs updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Slug to Wey converter for the reverse direction.

Step-by-step: convert weys to slugs

  1. Write down the value in weys (wey).
  2. Multiply that value by the factor 7.8323994432.
  3. The product is the equivalent value in slugs (slug).
  4. To reverse, multiply the slug value by 0.1276747959.

Worked examples

Example 1 — Convert 1 wey to slug:
1 × 7.8323994432 = 7.8323994432 slug

Example 2 — Convert 100 wey to slug:
100 × 7.8323994432 = 783.2399443238 slug

Wey to Slug conversion table

Standard reference values for converting weys to slugs:

Wey [wey]Slug [slug]
0.010.0783239944
0.10.7832399443
17.8323994432
215.6647988865
323.4971983297
431.329597773
539.1619972162
1078.3239944324
20156.6479888648
30234.9719832972
40313.2959777295
50391.6199721619
100783.2399443238
5003916.1997216192
10007832.3994432384

Frequently asked questions

How many slugs is 1 wey?
1 wey equals 7.8323994432 slug.
How do I convert weys to slugs?
Multiply the value in weys by 7.8323994432 to get slugs.
How do I convert slugs back to weys?
Multiply the value in slugs by 0.1276747959, or use the Slug to Wey converter.
How many slugs is 100 weys?
100 weys equals 783.2399443238 slugs, because 100 × 7.8323994432 = 783.2399443238.

Convert Wey to other weight units

Show all Wey conversions
Metric / SI (18 units)
Avoirdupois (14 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 wey = 7.8323994432 slug) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.