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Convert A.U. of Length (a.u.) to Rod (rd) 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.

Rod (rd)

A rod, equal to 16½ feet (or 5.0292 meters), is a historic English unit that dates back to agricultural practices and land surveying in medieval Europe. Originally based on the length of a stiff pole used by farmers to control oxen, the rod became standardized and deeply embedded in systems of land division. Surveyors valued rods because they integrate neatly with other land-measurement units: 4 rods make a chain, and 160 square rods make an acre. These relationships simplified calculations when establishing property boundaries or mapping rural land parcels. Although no longer widely used for modern surveying—supplanted by meters or feet—the rod lives on in historical land deeds, mining claims, and older legal documents. Understanding rods can be essential for interpreting pre-modern land descriptions that still influence property law today.

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 Rod