fermi = 0.000000000000001 length
Try converting from "fermi" to arpentcan, astronomical unit, Biblical cubit, bolt (of cloth), bottom measure, caliber (gun barrel caliber), city block (informal), ell, en (typography en), engineers chain, finger, gradus (Roman gradus), hand, m (meter), micron, ri (Japanese ri), skein, stadia (Greek stadia), stadium (Roman stadium), survey foot, or any combination of units which equate to "length" and represent depth, fl head, height, length, wavelength, or width.
fermi = .00001 angstrom, 1.71E-17 arpentlin, 6.68E-27 astronomical unit, 2.19E-15 Biblical cubit, 3.94E-12 caliber (gun barrel caliber), 4.97E-17 chain (surveyors chain), 4.37E-15 cloth quarter, 3.28E-17 engineers chain, 4.50E-14 finger, 1.09E-17 football field, 4.97E-18 furlong (surveyors furlong), 3.94E-14 inch, 4.72E-13 line, 2.37E-20 marathon, 1.31E-15 pace, 2.55E-19 ri (Japanese ri), 2.25E-15 Roman cubit, 7.59E-20 spindle, 5.41E-18 stadium (Roman stadium), 1.19E-15 vara (Mexican vara).
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