perch Unit Converter
Definition of perch unit
A perch is a traditional unit of length, typically equal to 5½ yards (16½ feet or 5.0292 metres). Its value could vary regionally, and it was historically associated with surveying, construction, and land measurement.
History of perch unit
The perch developed from medieval English measuring practice and is related to the rod and pole, names that often describe the same standard. In England, the customary statute perch was fixed at 16½ feet, or 5½ yards, and this length helped surveyors measure fields and boundaries. The term ultimately reflects a measuring rod used by workers. Although standardized in British systems, local traditions sometimes assigned different values, especially in continental Europe. Today, the perch survives mainly in historical records, traditional property descriptions, and specialized discussions of surveying and land law.
Applications of perch unit
Today, the perch is uncommon in everyday measurement but may appear in historical land deeds, cadastral descriptions, and heritage documentation. In some regions, related rod or perch terminology remains familiar to surveyors. Readers may also encounter it when interpreting older property boundaries, comparing traditional British units, or converting archival measurements into metres.
Complete list of perch unit conversion
- meter [m] = 0.19883878151595 perch
- kilometer [km] = 198.83878151595 perch
- decimeter [dm] = 0.019883878151595 perch
- centimeter [cm] = 0.0019883878151595 perch
- millimeter [mm] = 0.00019883878151595 perch
- micrometer [µm] = 1.9883878151595E-7 perch
- nanometer [nm] = 1.9883878151595E-10 perch
- mile [mi, mi(Int)] = 320 perch
- yard [yd] = 0.18181818181818 perch
- foot [ft] = 0.060606060606061 perch
- inch [in] = 0.0050505050505051 perch
- light year [ly] = 1.8811601194186E+15 perch
- exameter [Em] = 1.9883878151595E+17 perch
- petameter [Pm] = 1.9883878151595E+14 perch
- terameter [Tm] = 198838781515.95 perch
- gigameter [Gm] = 198838781.51595 perch
- megameter [Mm] = 198838.78151595 perch
- hectometer [hm] = 19.883878151595 perch
- dekameter [dam] = 1.9883878151595 perch
- micron [µ] = 1.9883878151595E-7 perch
- picometer [pm] = 1.9883878151595E-13 perch
- femtometer [fm] = 1.9883878151595E-16 perch
- attometer [am] = 1.9883878151595E-19 perch
- megaparsec [Mpc] = 6.1355237041279E+21 perch
- kiloparsec [kpc] = 6.1355237041279E+18 perch
- parsec [pc] = 6.1355237041279E+15 perch
- astronomical unit [AU, UA] = 29745858325.579 perch
- league [lea] = 960 perch
- nautical league (UK) = 1105.4545454545 perch
- nautical league (int.) = 1104.7482701026 perch
- league (statute) [st.league] = 960.00192000384 perch
- nautical mile (UK) [NM (UK)] = 368.48484848485 perch
- nautical mile (international) = 368.24942336753 perch
- mile (statute) [mi, mi (US)] = 320.00064000127 perch
- mile (US survey) [mi] = 320.00064000127 perch
- mile (Roman) = 294.24242424242 perch
- kiloyard [kyd] = 181.81818181818 perch
- furlong [fur] = 40 perch
- furlong (US survey) [fur] = 40.000080000159 perch
- chain [ch] = 4 perch
- chain (US survey) [ch] = 4.0000080000199 perch
- rope = 1.2121212121212 perch
- rod [rd] = 1 perch
- rod (US survey) [rd] = 1.000002 perch
- pole = 1 perch
- fathom [fath] = 0.36363636363636 perch
- fathom (US survey) [fath] = 0.36363709090909 perch
- ell = 0.22727272727273 perch
- foot (US survey) [ft] = 0.060606181818182 perch
- link [li] = 0.04 perch
- link (US survey) [li] = 0.040000079992842 perch
- cubit (UK) = 0.090909090909091 perch
- hand = 0.02020202020202 perch
- span (cloth) = 0.045454545454545 perch
- finger (cloth) = 0.022727272727273 perch
- nail (cloth) = 0.011363636363636 perch
- inch (US survey) [in] = 0.0050505151515152 perch
- barleycorn = 0.0016835016901296 perch
- mil [mil, thou] = 5.0505050505051E-6 perch
- microinch = 5.0505050505051E-9 perch
- angstrom [A] = 1.9883878151595E-11 perch
- a.u. of length [a.u., b] = 1.0522095939712E-11 perch
- X-unit [X] = 1.992523661815E-14 perch
- fermi [F, f] = 1.9883878151595E-16 perch
- arpent = 11.636363636364 perch
- pica = 0.00084175083512288 perch
- point = 7.0145907897876E-5 perch
- twip = 3.5072973832816E-6 perch
- aln = 0.118066049829 perch
- famn = 0.35419814946711 perch
- caliber [cl] = 5.050505050505E-5 perch
- centiinch [cin] = 5.050505050505E-5 perch
- ken = 0.42121212121212 perch
- Russian archin = 0.14141414141414 perch
- Roman actus = 7.0545454545455 perch
- vara de tarea = 0.49818181818182 perch
- vara conuquera = 0.49818181818182 perch
- vara castellana = 0.16606060606061 perch
- cubit (Greek) = 0.092020202020202 perch
- long reed = 0.63636363636364 perch
- reed = 0.54545454545455 perch
- long cubit = 0.10606060606061 perch
- handbreadth = 0.015151515151515 perch
- fingerbreadth = 0.0037878787878788 perch
- Planck length = 3.2133341286885E-36 perch
- Electron radius (classical) = 5.6031593891673E-16 perch
- Bohr radius [b, a.u.] = 1.0522095939712E-11 perch
- Earth's equatorial radius = 1268225.5627138 perch
- Earth's polar radius = 1263973.7930486 perch
- Earth's distance from sun = 29746281714.786 perch
- Sun's radius = 138391791.9351 perch