hand Unit Converter
Definition of hand unit
A hand is a traditional unit of length equal to 4 inches (10.16 centimeters). It is used chiefly to measure the height of horses, ponies, and other equines, expressed as the number of hands plus remaining inches.
History of hand unit
The hand has ancient roots in body-based measurement systems, where a hand represented the approximate breadth of a human palm. Its exact size varied regionally, but the four-inch hand became established in English practice. By the Middle Ages and early modern period, horse dealers and breeders used hands to describe equine height consistently. The convention was later standardized in Britain and adopted widely in horse sports and breeding. Today, the hand remains especially prominent in English-speaking equestrian traditions, despite most other measurements being metric or expressed in feet and inches.
Applications of hand unit
Today, the hand is used primarily to state equine height, especially for horses competing in shows, racing, dressage, jumping, and eventing. A horse measuring 15 hands 2 inches is written 15.2 hands, meaning 15 hands and 2 additional inches, not 15.2 decimal hands. The unit also appears in breed standards and veterinary records.
Complete list of hand unit conversion
- meter [m] = 9.8425196850394 hand
- kilometer [km] = 9842.5196850394 hand
- decimeter [dm] = 0.98425196850394 hand
- centimeter [cm] = 0.098425196850394 hand
- millimeter [mm] = 0.0098425196850394 hand
- micrometer [µm] = 9.8425196850394E-6 hand
- nanometer [nm] = 9.8425196850394E-9 hand
- mile [mi, mi(Int)] = 15840 hand
- yard [yd] = 9 hand
- foot [ft] = 3 hand
- inch [in] = 0.25 hand
- light year [ly] = 9.311742591122E+16 hand
- exameter [Em] = 9.8425196850394E+18 hand
- petameter [Pm] = 9.8425196850394E+15 hand
- terameter [Tm] = 9842519685039.4 hand
- gigameter [Gm] = 9842519685.0394 hand
- megameter [Mm] = 9842519.6850394 hand
- hectometer [hm] = 984.25196850394 hand
- dekameter [dam] = 98.425196850394 hand
- micron [µ] = 9.8425196850394E-6 hand
- picometer [pm] = 9.8425196850394E-12 hand
- femtometer [fm] = 9.8425196850394E-15 hand
- attometer [am] = 9.8425196850394E-18 hand
- megaparsec [Mpc] = 3.0370842335433E+23 hand
- kiloparsec [kpc] = 3.0370842335433E+20 hand
- parsec [pc] = 3.0370842335433E+17 hand
- astronomical unit [AU, UA] = 1472419987116.1 hand
- league [lea] = 47520 hand
- nautical league (UK) = 54720 hand
- nautical league (int.) = 54685.039370079 hand
- league (statute) [st.league] = 47520.09504019 hand
- nautical mile (UK) [NM (UK)] = 18240 hand
- nautical mile (international) = 18228.346456693 hand
- mile (statute) [mi, mi (US)] = 15840.031680063 hand
- mile (US survey) [mi] = 15840.031680063 hand
- mile (Roman) = 14565 hand
- kiloyard [kyd] = 9000 hand
- furlong [fur] = 1980 hand
- furlong (US survey) [fur] = 1980.0039600079 hand
- chain [ch] = 198 hand
- chain (US survey) [ch] = 198.00039600098 hand
- rope = 60 hand
- rod [rd] = 49.5 hand
- rod (US survey) [rd] = 49.500099 hand
- perch = 49.5 hand
- pole = 49.5 hand
- fathom [fath] = 18 hand
- fathom (US survey) [fath] = 18.000036 hand
- ell = 11.25 hand
- foot (US survey) [ft] = 3.000006 hand
- link [li] = 1.98 hand
- link (US survey) [li] = 1.9800039596457 hand
- cubit (UK) = 4.5 hand
- span (cloth) = 2.25 hand
- finger (cloth) = 1.125 hand
- nail (cloth) = 0.5625 hand
- inch (US survey) [in] = 0.2500005 hand
- barleycorn = 0.083333333661417 hand
- mil [mil, thou] = 0.00025 hand
- microinch = 2.5E-7 hand
- angstrom [A] = 9.8425196850394E-10 hand
- a.u. of length [a.u., b] = 5.2084374901575E-10 hand
- X-unit [X] = 9.8629921259843E-13 hand
- fermi [F, f] = 9.8425196850394E-15 hand
- arpent = 576 hand
- pica = 0.041666666338583 hand
- point = 0.0034722224409449 hand
- twip = 0.00017361122047244 hand
- aln = 5.8442694665354 hand
- famn = 17.532808398622 hand
- caliber [cl] = 0.0025 hand
- centiinch [cin] = 0.0025 hand
- ken = 20.85 hand
- Russian archin = 7 hand
- Roman actus = 349.2 hand
- vara de tarea = 24.66 hand
- vara conuquera = 24.66 hand
- vara castellana = 8.22 hand
- cubit (Greek) = 4.555 hand
- long reed = 31.5 hand
- reed = 27 hand
- long cubit = 5.25 hand
- handbreadth = 0.75 hand
- fingerbreadth = 0.1875 hand
- Planck length = 1.5906003937008E-34 hand
- Electron radius (classical) = 2.7735638976378E-14 hand
- Bohr radius [b, a.u.] = 5.2084374901575E-10 hand
- Earth's equatorial radius = 62777165.354331 hand
- Earth's polar radius = 62566702.755906 hand
- Earth's distance from sun = 1472440944881.9 hand
- Sun's radius = 6850393700.7874 hand