Mass and Weight · Unit Converter

Convert Slug to Stone (US)

Convert slugs to stones (us) instantly. 1 slug = 2.5739238845 stone (us) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Stone (US) to Slug 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

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.

Avoirdupois

Stone (US)

What is a stone (us)?

A less common US definition of the stone, about 5.67 kilograms.

Origin of the stone (us)

A variant stone weight used in some historical US trade.

Where it is used

Rare; appears mainly in historical or specialized contexts.

When and where it was developed

Derived from older English stone weights that varied by commodity.

Slug to Stone (US) conversion formula

The relationship between slugs and stones (us):

1 slug = 2.5739238845 st
1 st = 0.3885118771 slug

To convert slugs to stones (us), multiply the value in slugs by 2.5739238845. To reverse, multiply stones (us) by 0.3885118771.

How to use this converter

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

Step-by-step: convert slugs to stones (us)

  1. Write down the value in slugs (slug).
  2. Multiply that value by the factor 2.5739238845.
  3. The product is the equivalent value in stones (us) (st).
  4. To reverse, multiply the stone (us) value by 0.3885118771.

Worked examples

Example 1 — Convert 1 slug to st:
1 × 2.5739238845 = 2.5739238845 st

Example 2 — Convert 100 slug to st:
100 × 2.5739238845 = 257.3923884513 st

Slug to Stone (US) conversion table

Standard reference values for converting slugs to stones (us):

Slug [slug]Stone (US) [st]
0.010.0257392388
0.10.2573923885
12.5739238845
25.147847769
37.7217716535
410.2956955381
512.8696194226
1025.7392388451
2051.4784776903
3077.2177165354
40102.9569553805
50128.6961942257
100257.3923884513
5001286.9619422567
10002573.9238845133

Frequently asked questions

How many stones (us) is 1 slug?
1 slug equals 2.5739238845 stone (us).
How do I convert slugs to stones (us)?
Multiply the value in slugs by 2.5739238845 to get stones (us).
How do I convert stones (us) back to slugs?
Multiply the value in stones (us) by 0.3885118771, or use the Stone (US) to Slug converter.
How many stones (us) is 100 slugs?
100 slugs equals 257.3923884513 stones (us), because 100 × 2.5739238845 = 257.3923884513.

Convert Slug to other weight units

Show all Slug conversions
Metric / SI (18 units)
Slug to Attogram (ag) Slug to Femtogram (fg) Slug to Picogram (pg) Slug to Nanogram (ng) Slug to Microgram (µg) Slug to Milligram (mg) Slug to Centigram (cg) Slug to Decigram (dg) Slug to Gram (g) Slug to Dekagram (dag) Slug to Hectogram (hg) Slug to Kilogram (kg) Slug to Quintal (metric) (q) Slug to Metric Ton (t) Slug to Gigagram (Gg) Slug to Teragram (Tg) Slug to Petagram (Pg) Slug to Exagram (Eg)
Avoirdupois (15 units)
Slug to Grain (gr) Slug to Dram (avoirdupois) (dr) Slug to Ounce (oz) Slug to Pound (lb) Slug to Clove (clove) Slug to Stone (US) (st) Slug to Stone (UK) (st) Slug to Quarter (US) (qr) Slug to Quarter (UK) (qr) Slug to Hundredweight (US) (cwt) Slug to Hundredweight (UK) (cwt) Slug to Wey (wey) Slug to Kilopound (kip) (kip) Slug to Ton (short, US) (sh tn) Slug to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Slug to Point (1/100 carat) (pt) Slug to Carat (metric) (ct) Slug to Scruple (apothecary) (s ap) Slug to Pennyweight (dwt) Slug to Momme (mom) Slug to Mace (mace) Slug to Dram (apothecary/troy) (dr ap) Slug to Troy Ounce (oz t) Slug to Tael (tael) Slug to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Slug to Ratti (ratti) Slug to Masha (masha) Slug to Tola (tola) Slug to Chittack (Chatank) (chittack) Slug to Seer (Ser) (seer) Slug to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Slug to Electron Mass (rest) (me) Slug to MeV/c2 (MeV/c²) Slug to Muon Mass (mµ) Slug to Atomic Mass Unit (u) Slug to Proton Mass (mp) Slug to Neutron Mass (mn) Slug to Deuteron Mass (md) Slug to Carbon-12 Atom Mass (C-12) Slug to Planck Mass (mP)
Astronomical (4 units)
Slug to Lunar Mass (Moon) (M☾) Slug to Earth's Mass (M⊕) Slug to Jupiter Mass (MJ) Slug to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Slug to Lepton (Biblical Roman) (lepton) Slug to Quadrans (Biblical Roman) (quadrans) Slug to Assarion (Biblical Roman) (assarion) Slug to Gerah (Biblical Hebrew) (gerah) Slug to Drachma (Biblical Greek) (drachma) Slug to Denarius (Biblical Roman) (denarius) Slug to Bekan (Biblical Hebrew) (bekah) Slug to Didrachma (Biblical Greek) (didrachma) Slug to Shekel (Biblical Hebrew) (shekel) Slug to Tetradrachma (Biblical Greek) (tetra) Slug to Mina (Biblical Greek) (mina) Slug to Mina (Biblical Hebrew) (mina) Slug to Talent (Biblical Greek) (talent) Slug to Talent (Biblical Hebrew) (talent)
Force / Engineering (4 units)
Slug to Poundal (pdl) Slug to Ton (assay) (US) (AT) Slug to Ton (assay) (UK) (AT) Slug to Kilogram-force square second/meter (hyl)

Sources & references

Conversion factor (1 slug = 2.5739238845 st) verified against the following authoritative sources:

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