angstrom = 0.0000000001 meter
Try converting from "Ad" to actus (Roman actus), archin (Russian archin), astronomical unit, bolt (of cloth), city block (informal), cloth finger, ell, engineers chain, finger, foot, gradus (Roman gradus), hand, Israeli cubit, li (Chinese li), light yr (light year), naval shot, pica (typography pica), Roman foot, rope, soccer field, or any combination of units which equate to "length" and represent depth, fl head, height, length, wavelength, or width.
Ad = 2.26E-15 arpentcan, 1.18E-08 barleycorn, 1.57E-07 bottom measure, 4.56E-13 cable length, 3.94E-07 caliber (gun barrel caliber), 8.75E-10 cloth finger, 3.28E-12 engineers chain, 2.16E-10 Greek cubit, 1.30E-09 Greek palm, 1.06E-26 light yr (light year), 1.00E-10 m (meter), 2.37E-15 marathon, 6.21E-14 mile, 1.75E-09 nail (cloth nail), 5.40E-14 nautical mile, 5.40E-13 stadia (Greek stadia), 5.41E-13 stadium (Roman stadium), 3.28E-10 survey foot, 1.19E-10 vara (Mexican vara), 1.09E-10 yard.
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