Mass and Weight · Unit Converter

Convert Hundredweight (US) to Atomic Mass Unit

Convert hundredweights (us) to atomic mass unit instantly. 1 hundredweight (us) = 2.731595e+28 atomic mass unit — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Atomic Mass Unit to Hundredweight (US) 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

Hundredweight (US)

What is a hundredweight (us)?

The US (short) hundredweight equals 100 pounds, about 45.36 kilograms.

Origin of the hundredweight (us)

The American 'hundred'-pound commercial weight (also called the cental).

Where it is used

US commodity trade in grain, livestock feed, and produce.

When and where it was developed

Standardized at 100 pounds in US customary units.

Scientific / Atomic

Atomic Mass Unit

What is a atomic mass unit?

One unified atomic mass unit (u) is defined as 1/12 the mass of a carbon-12 atom, about 1.6605E-27 kg.

Origin of the atomic mass unit

Introduced to give atomic and molecular masses convenient numerical values.

Where it is used

Atomic, molecular, and nuclear physics and chemistry.

When and where it was developed

The unified (carbon-12) scale was adopted by IUPAC and IUPAP in 1960-1961.

Hundredweight (US) to Atomic Mass Unit conversion formula

The relationship between hundredweights (us) and atomic mass unit:

1 cwt = 2.731595e+28 u
1 u = 3.660864e-29 cwt

To convert hundredweights (us) to atomic mass unit, multiply the value in hundredweights (us) by 2.731595e+28. To reverse, multiply atomic mass unit by 3.660864e-29.

How to use this converter

Type a value into the calculator. The result in atomic mass unit updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Atomic Mass Unit to Hundredweight (US) converter for the reverse direction.

Step-by-step: convert hundredweights (us) to atomic mass unit

  1. Write down the value in hundredweights (us) (cwt).
  2. Multiply that value by the factor 2.731595e+28.
  3. The product is the equivalent value in atomic mass unit (u).
  4. To reverse, multiply the atomic mass unit value by 3.660864e-29.

Worked examples

Example 1 — Convert 1 cwt to u:
1 × 2.731595e+28 = 2.731595e+28 u

Example 2 — Convert 100 cwt to u:
100 × 2.731595e+28 = 2.731595e+30 u

Hundredweight (US) to Atomic Mass Unit conversion table

Standard reference values for converting hundredweights (us) to atomic mass unit:

Hundredweight (US) [cwt]Atomic Mass Unit [u]
0.012.731595e+26
0.12.731595e+27
12.731595e+28
25.46319e+28
38.194786e+28
41.092638e+29
51.365798e+29
102.731595e+29
205.46319e+29
308.194786e+29
401.092638e+30
501.365798e+30
1002.731595e+30
5001.365798e+31
10002.731595e+31

Frequently asked questions

How many atomic mass unit is 1 hundredweight (us)?
1 hundredweight (us) equals 2.731595e+28 atomic mass unit.
How do I convert hundredweights (us) to atomic mass unit?
Multiply the value in hundredweights (us) by 2.731595e+28 to get atomic mass unit.
How do I convert atomic mass unit back to hundredweights (us)?
Multiply the value in atomic mass unit by 3.660864e-29, or use the Atomic Mass Unit to Hundredweight (US) converter.
How many atomic mass unit is 100 hundredweights (us)?
100 hundredweights (us) equals 2.731595e+30 atomic mass unit, because 100 × 2.731595e+28 = 2.731595e+30.

Convert Hundredweight (US) to other weight units

Show all Hundredweight (US) conversions
Metric / SI (18 units)
Hundredweight (US) to Attogram (ag) Hundredweight (US) to Femtogram (fg) Hundredweight (US) to Picogram (pg) Hundredweight (US) to Nanogram (ng) Hundredweight (US) to Microgram (µg) Hundredweight (US) to Milligram (mg) Hundredweight (US) to Centigram (cg) Hundredweight (US) to Decigram (dg) Hundredweight (US) to Gram (g) Hundredweight (US) to Dekagram (dag) Hundredweight (US) to Hectogram (hg) Hundredweight (US) to Kilogram (kg) Hundredweight (US) to Quintal (metric) (q) Hundredweight (US) to Metric Ton (t) Hundredweight (US) to Gigagram (Gg) Hundredweight (US) to Teragram (Tg) Hundredweight (US) to Petagram (Pg) Hundredweight (US) to Exagram (Eg)
Avoirdupois (14 units)
Hundredweight (US) to Grain (gr) Hundredweight (US) to Dram (avoirdupois) (dr) Hundredweight (US) to Ounce (oz) Hundredweight (US) to Pound (lb) Hundredweight (US) to Clove (clove) Hundredweight (US) to Stone (US) (st) Hundredweight (US) to Stone (UK) (st) Hundredweight (US) to Quarter (US) (qr) Hundredweight (US) to Quarter (UK) (qr) Hundredweight (US) to Hundredweight (UK) (cwt) Hundredweight (US) to Wey (wey) Hundredweight (US) to Kilopound (kip) (kip) Hundredweight (US) to Ton (short, US) (sh tn) Hundredweight (US) to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Hundredweight (US) to Point (1/100 carat) (pt) Hundredweight (US) to Carat (metric) (ct) Hundredweight (US) to Scruple (apothecary) (s ap) Hundredweight (US) to Pennyweight (dwt) Hundredweight (US) to Momme (mom) Hundredweight (US) to Mace (mace) Hundredweight (US) to Dram (apothecary/troy) (dr ap) Hundredweight (US) to Troy Ounce (oz t) Hundredweight (US) to Tael (tael) Hundredweight (US) to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Hundredweight (US) to Ratti (ratti) Hundredweight (US) to Masha (masha) Hundredweight (US) to Tola (tola) Hundredweight (US) to Chittack (Chatank) (chittack) Hundredweight (US) to Seer (Ser) (seer) Hundredweight (US) to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Hundredweight (US) to Electron Mass (rest) (me) Hundredweight (US) to MeV/c2 (MeV/c²) Hundredweight (US) to Muon Mass (mµ) Hundredweight (US) to Atomic Mass Unit (u) Hundredweight (US) to Proton Mass (mp) Hundredweight (US) to Neutron Mass (mn) Hundredweight (US) to Deuteron Mass (md) Hundredweight (US) to Carbon-12 Atom Mass (C-12) Hundredweight (US) to Planck Mass (mP)
Astronomical (4 units)
Hundredweight (US) to Lunar Mass (Moon) (M☾) Hundredweight (US) to Earth's Mass (M⊕) Hundredweight (US) to Jupiter Mass (MJ) Hundredweight (US) to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Hundredweight (US) to Lepton (Biblical Roman) (lepton) Hundredweight (US) to Quadrans (Biblical Roman) (quadrans) Hundredweight (US) to Assarion (Biblical Roman) (assarion) Hundredweight (US) to Gerah (Biblical Hebrew) (gerah) Hundredweight (US) to Drachma (Biblical Greek) (drachma) Hundredweight (US) to Denarius (Biblical Roman) (denarius) Hundredweight (US) to Bekan (Biblical Hebrew) (bekah) Hundredweight (US) to Didrachma (Biblical Greek) (didrachma) Hundredweight (US) to Shekel (Biblical Hebrew) (shekel) Hundredweight (US) to Tetradrachma (Biblical Greek) (tetra) Hundredweight (US) to Mina (Biblical Greek) (mina) Hundredweight (US) to Mina (Biblical Hebrew) (mina) Hundredweight (US) to Talent (Biblical Greek) (talent) Hundredweight (US) to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Hundredweight (US) to Poundal (pdl) Hundredweight (US) to Ton (assay) (US) (AT) Hundredweight (US) to Ton (assay) (UK) (AT) Hundredweight (US) to Kilogram-force square second/meter (hyl) Hundredweight (US) to Slug (slug)

Sources & references

Conversion factor (1 cwt = 2.731595e+28 u) verified against the following authoritative sources:

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