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The barleycorn is a small English unit of length equal to 1/3 of an inch (i.e., close to 0.8467 cm) still used in Great Britain and Ireland as a determiner of shoe sizes.
A unit of length used to measure nuclear distances, = 10−15 meter. Named for the Italian physicist Enrico Fermi (1901–1954). Now obsolete, replaced by the SI term femtometer (symbol, fm); 1 fermi = 1 femtometer.
In relation to the base unit of [length] => (meters), 1 Barleycorns (bcorn) is equal to 0.0084666666666667 meters, while 1 Fermi (fermi) = 1.0E-15 meters.| 21000 Barleycorns | to common length units |
|---|---|
| 21000 bcorn | = 177.8 meters (m) |
| 21000 bcorn | = 0.1778 kilometers (km) |
| 21000 bcorn | = 17780 centimeters (cm) |
| 21000 bcorn | = 583.33333333333 feet (ft) |
| 21000 bcorn | = 7000 inches (in) |
| 21000 bcorn | = 194.44444444444 yards (yd) |
| 21000 bcorn | = 0.1104797979798 miles (mi) |
| 21000 bcorn | = 1.8792939435578E-14 light years (ly) |
| 21000 bcorn | = 672000.08466143 pixels (PX) |
| 21000 bcorn | = 1.11125E+37 planck length (pl) |