Mass and Weight · Unit Converter

Convert Slug to Pound (troy/apothecary)

Convert slugs to pounds (troy/apothecary) instantly. 1 slug = 39.1004062318 pound (troy/apothecary) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pound (troy/apothecary) 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.

Troy & Apothecary

Pound (troy/apothecary)

What is a pound (troy/apothecary)?

The troy (apothecary) pound equals 12 troy ounces, about 373.24 grams.

Origin of the pound (troy/apothecary)

Named for Troyes, France, a major medieval trade-fair town.

Where it is used

Historical pricing of precious metals; now largely superseded by the troy ounce.

When and where it was developed

Adopted as the English coinage standard under Henry VIII in 1528.

Slug to Pound (troy/apothecary) conversion formula

The relationship between slugs and pounds (troy/apothecary):

1 slug = 39.1004062318 lb t
1 lb t = 0.0255751819 slug

To convert slugs to pounds (troy/apothecary), multiply the value in slugs by 39.1004062318. To reverse, multiply pounds (troy/apothecary) by 0.0255751819.

How to use this converter

Type a value into the calculator. The result in pounds (troy/apothecary) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pound (troy/apothecary) to Slug converter for the reverse direction.

Step-by-step: convert slugs to pounds (troy/apothecary)

  1. Write down the value in slugs (slug).
  2. Multiply that value by the factor 39.1004062318.
  3. The product is the equivalent value in pounds (troy/apothecary) (lb t).
  4. To reverse, multiply the pound (troy/apothecary) value by 0.0255751819.

Worked examples

Example 1 — Convert 1 slug to lb t:
1 × 39.1004062318 = 39.1004062318 lb t

Example 2 — Convert 100 slug to lb t:
100 × 39.1004062318 = 3910.0406231756 lb t

Slug to Pound (troy/apothecary) conversion table

Standard reference values for converting slugs to pounds (troy/apothecary):

Slug [slug]Pound (troy/apothecary) [lb t]
0.010.3910040623
0.13.9100406232
139.1004062318
278.2008124635
3117.3012186953
4156.401624927
5195.5020311588
10391.0040623176
20782.0081246351
301173.0121869527
401564.0162492702
501955.0203115878
1003910.0406231756
50019550.203115878
100039100.4062317561

Frequently asked questions

How many pounds (troy/apothecary) is 1 slug?
1 slug equals 39.1004062318 pound (troy/apothecary).
How do I convert slugs to pounds (troy/apothecary)?
Multiply the value in slugs by 39.1004062318 to get pounds (troy/apothecary).
How do I convert pounds (troy/apothecary) back to slugs?
Multiply the value in pounds (troy/apothecary) by 0.0255751819, or use the Pound (troy/apothecary) to Slug converter.
How many pounds (troy/apothecary) is 100 slugs?
100 slugs equals 3910.0406231756 pounds (troy/apothecary), because 100 × 39.1004062318 = 3910.0406231756.

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 = 39.1004062318 lb t) verified against the following authoritative sources:

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