Mass and Weight · Unit Converter

Convert Slug to Quarter (US)

Convert slugs to quarters (us) instantly. 1 slug = 1.2869619423 quarter (us) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Quarter (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

Quarter (US)

What is a quarter (us)?

The US quarter equals one-fourth of a short hundredweight, 25 pounds (about 11.34 kg).

Origin of the quarter (us)

A 'quarter' of the US short hundredweight.

Where it is used

US agricultural and commodity weighing.

When and where it was developed

Defined within the US customary hundredweight system.

Slug to Quarter (US) conversion formula

The relationship between slugs and quarters (us):

1 slug = 1.2869619423 qr
1 qr = 0.7770237543 slug

To convert slugs to quarters (us), multiply the value in slugs by 1.2869619423. To reverse, multiply quarters (us) by 0.7770237543.

How to use this converter

Type a value into the calculator. The result in quarters (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 Quarter (US) to Slug converter for the reverse direction.

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

  1. Write down the value in slugs (slug).
  2. Multiply that value by the factor 1.2869619423.
  3. The product is the equivalent value in quarters (us) (qr).
  4. To reverse, multiply the quarter (us) value by 0.7770237543.

Worked examples

Example 1 — Convert 1 slug to qr:
1 × 1.2869619423 = 1.2869619423 qr

Example 2 — Convert 100 slug to qr:
100 × 1.2869619423 = 128.6961942257 qr

Slug to Quarter (US) conversion table

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

Slug [slug]Quarter (US) [qr]
0.010.0128696194
0.10.1286961942
11.2869619423
22.5739238845
33.8608858268
45.147847769
56.4348097113
1012.8696194226
2025.7392388451
3038.6088582677
4051.4784776903
5064.3480971128
100128.6961942257
500643.4809711283
10001286.9619422567

Frequently asked questions

How many quarters (us) is 1 slug?
1 slug equals 1.2869619423 quarter (us).
How do I convert slugs to quarters (us)?
Multiply the value in slugs by 1.2869619423 to get quarters (us).
How do I convert quarters (us) back to slugs?
Multiply the value in quarters (us) by 0.7770237543, or use the Quarter (US) to Slug converter.
How many quarters (us) is 100 slugs?
100 slugs equals 128.6961942257 quarters (us), because 100 × 1.2869619423 = 128.6961942257.

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 = 1.2869619423 qr) verified against the following authoritative sources:

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