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Convert A.U. of Length (a.u.) to Handbreadth (handbreadth) instantly.

About these units

A.U. of Length (a.u.)

The atomic unit of length, also known as the Bohr radius unit in atomic units, is approximately 5.29177 × 10⁻¹¹ meters. It is defined as the radius of the lowest-energy orbital of the hydrogen atom, providing a natural scale for describing atomic and quantum mechanical systems. Atomic units were devised to simplify equations in quantum chemistry and atomic physics by normalizing fundamental constants such as electron charge, Planck's constant, and electron mass to 1. In this system, many equations become dimensionless and far easier to manipulate mathematically. The atomic unit of length is essential in molecular orbital calculations, quantum simulations, and the study of electron behavior in atoms and molecules. Its use reflects an approach to physics in which units are chosen to match the natural scales of the systems being studied.

Handbreadth (handbreadth)

The handbreadth, roughly 0.1 meter, represents the width of a human hand with fingers extended. It served as a convenient, body-based subunit for cubits and larger measures. Handbreadths were integral to construction, tailoring, and craftwork, allowing precise division of larger units into manageable increments. In ancient Egyptian, Greek, and Hebrew measurement systems, the handbreadth facilitated scaling and proportioning for artisans and builders. Today, the handbreadth is mainly of historical interest, helping reconstruct ancient architectural plans and understand the human-centered logic of early measurement systems.

More A.U. of Length converters

A.U. of Length [a.u.] ↔ Meter [m]
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A.U. of Length [a.u.] ↔ Kilometer [km]
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A.U. of Length [a.u.] ↔ Centimeter [cm]
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A.U. of Length [a.u.] ↔ Millimeter [mm]
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A.U. of Length [a.u.] ↔ Mile [mi]
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A.U. of Length [a.u.] ↔ Foot [ft]
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A.U. of Length [a.u.] ↔ Inch [in]
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A.U. of Length [a.u.] ↔ Yard [yd]
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A.U. of Length [a.u.] ↔ Nautical Mile [nmi]
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A.U. of Length [a.u.] ↔ Micrometer [µm]
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A.U. of Length [a.u.] ↔ Attometer [am]
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A.U. of Length [a.u.] ↔ Femtometer [fm]
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A.U. of Length [a.u.] ↔ Picometer [pm]
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A.U. of Length [a.u.] ↔ Nanometer [nm]
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A.U. of Length [a.u.] ↔ Decimeter [dm]
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A.U. of Length [a.u.] ↔ Dekameter [dam]
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A.U. of Length [a.u.] ↔ Hectometer [hm]
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A.U. of Length [a.u.] ↔ Megameter [Mm]
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A.U. of Length [a.u.] ↔ Gigameter [Gm]
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A.U. of Length [a.u.] ↔ Terameter [Tm]
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A.U. of Length [a.u.] ↔ Petameter [Pm]
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A.U. of Length [a.u.] ↔ Exameter [Em]
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A.U. of Length [a.u.] ↔ Mil [mil]
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A.U. of Length [a.u.] ↔ Hand [hand]
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A.U. of Length [a.u.] ↔ Fathom [fath]
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A.U. of Length [a.u.] ↔ Rod [rd]
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A.U. of Length [a.u.] ↔ Chain [ch]
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A.U. of Length [a.u.] ↔ Furlong [fur]
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A.U. of Length [a.u.] ↔ League [lea]
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A.U. of Length [a.u.] ↔ Nautical Mile (UK) [NM (UK)]
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A.U. of Length [a.u.] ↔ Nautical League (Int) [nl (int)]
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A.U. of Length [a.u.] ↔ Nautical League (UK) [nl (UK)]
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A.U. of Length [a.u.] ↔ Astronomical Unit [AU]
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A.U. of Length [a.u.] ↔ Light Year [ly]
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A.U. of Length [a.u.] ↔ Parsec [pc]
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A.U. of Length [a.u.] ↔ Kiloparsec [kpc]
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A.U. of Length [a.u.] ↔ Megaparsec [Mpc]
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A.U. of Length [a.u.] ↔ Angstrom [Å]
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A.U. of Length [a.u.] ↔ X-unit [X]
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A.U. of Length [a.u.] ↔ Planck Length [ℓₚ]
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A.U. of Length [a.u.] ↔ Electron Radius [re]
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A.U. of Length [a.u.] ↔ Bohr Radius [a₀]
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A.U. of Length [a.u.] ↔ Point [pt]
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A.U. of Length [a.u.] ↔ Pica [pica]
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A.U. of Length [a.u.] ↔ Twip [twip]
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A.U. of Length [a.u.] ↔ Aln [aln]
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A.U. of Length [a.u.] ↔ Famn [famn]
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A.U. of Length [a.u.] ↔ Caliber [cl]
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A.U. of Length [a.u.] ↔ Centiinch [cin]
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A.U. of Length [a.u.] ↔ Ken [ken]
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A.U. of Length [a.u.] ↔ Russian Archin [archin]
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A.U. of Length [a.u.] ↔ Roman Actus [actus]
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A.U. of Length [a.u.] ↔ Vara de Tarea [vara de tarea]
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A.U. of Length [a.u.] ↔ Vara Conuquera [vara conuquera]
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A.U. of Length [a.u.] ↔ Vara Castellana [vara castellana]
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A.U. of Length [a.u.] ↔ Cubit (Greek) [cubit (greek)]
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A.U. of Length [a.u.] ↔ Long Reed [long reed]
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A.U. of Length [a.u.] ↔ Reed [reed]
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A.U. of Length [a.u.] ↔ Long Cubit [long cubit]
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A.U. of Length [a.u.] ↔ Handbreadth [handbreadth]
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A.U. of Length [a.u.] ↔ Fingerbreadth [fingerbreadth]
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A.U. of Length [a.u.] ↔ Ell [ell]
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A.U. of Length [a.u.] ↔ Cubit (UK) [cubit (uk)]
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A.U. of Length [a.u.] ↔ Span (Cloth) [span]
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A.U. of Length [a.u.] ↔ Finger (Cloth) [finger]
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A.U. of Length [a.u.] ↔ Nail (Cloth) [nail]
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A.U. of Length [a.u.] ↔ Barleycorn [barleycorn]
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A.U. of Length [a.u.] ↔ Microinch [µin]
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A.U. of Length [a.u.] ↔ Arpent [arpent]
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A.U. of Length [a.u.] ↔ Kiloyard [kyd]
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A.U. of Length [a.u.] ↔ Foot (US Survey) [ft (US)]
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A.U. of Length [a.u.] ↔ Inch (US Survey) [in (US)]
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A.U. of Length [a.u.] ↔ Chain (US Survey) [ch (US)]
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A.U. of Length [a.u.] ↔ Furlong (US Survey) [fur (US)]
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A.U. of Length [a.u.] ↔ Rod (US Survey) [rd (US)]
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A.U. of Length [a.u.] ↔ Fathom (US Survey) [fath (US)]
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A.U. of Length [a.u.] ↔ Mile (US Survey) [mi (US)]
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A.U. of Length [a.u.] ↔ League (Statute) [st.league]
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A.U. of Length [a.u.] ↔ Mile (Roman) [mi (Roman)]
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A.U. of Length [a.u.] ↔ Earth's Equatorial Radius [R⊕]
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A.U. of Length [a.u.] ↔ Earth's Polar Radius [R⊕ (p)]
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A.U. of Length [a.u.] ↔ Earth's Distance from Sun [AU (es)]
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A.U. of Length [a.u.] ↔ Sun's Radius [R☉]
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Convert A.U. of Length to Handbreadth