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Length/Distance | Convert from perch to fermi |
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Common Length Conversions Metric Length Conversions Unit Definition (perch) A linear measure of 16.5 feet. Unit Definition (fermi) The Fermi was a metric unit of distance formerly used in atomic physics. One Fermi equals 10e-15 meter, or 1 femtometer. The unit was named after Enrico Fermi (1901-1954), the Italian-American physicist who built the first nuclear reactor.
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