Conversion tables and calculators

meter, exameter, petameter, terameter, gigameter, megameter, kilometer, hectometer, dekameter, decimeter, centimeter, millimeter, micrometer, micron, nanometer, picometer, femtometer, attometer, megaparsec, kiloparsec, parsec, light year, astronomical unit, league, autical league (UK), nautical league (international), league (statute), mile, nautical mile (UK), kiloyard, furlong, furlong (US survey), chain, chain (US survey), rope, rod, rod (US survey, perch, pole, fathom, ell, yard, foot, foot (US survey), link, cubit, hand, span, finger, nail, inch, barleycorn, mil, microinch, angstrom, a.u. of length, X-unit, fermi, arpent, pica, point, twip, aln, famn, caliber, centiinch, ken, Russian archin, Roman actus, vara de tarea, vara conuquera, vara castellana, cubit, long reed, reed, long cubit, handbreadth, fingerbreadth, Planck length, Electron radius (classical), Bohr radius, Earth’s equatorial radius, Earth’s polar radius, Earth’s distance from sun, Sun’s radius

kilogram, gram, exagram, petagram, teragram, gigagram, megagram, hectogram, dekagram, decigram, centigram, milligram, microgram, nanogram, picogram, femtogram, attogram, dalton, kilogram-force square second/meter, kilopound, kip, slug, pound-force square second/foot, pound, ounce, poundal, ton (short), ton (long), ton (assay), ton (metric), kiloton (metric), quintal (metric), hundredweight, quarter, stone, tonne, pennyweight, scruple (apothecary), carat, grain, gamma, talent, mina, shekel, bekan, gerah, talent, mina, tetradrachma, didrachma, drachma, denarius, assarion, quadrans, lepton, Planck mass, Atomic mass unit, Electron mass, Muon mass, Proton mass, Neutron mass, Deuteron mass, Earth’s mass, Sun’s mass