X unit; siegbahn is length unit, symbol: [xu]. Definition of 1 x unit; siegbahn ≈ 1.0021x10-13. . Compared to metre, x unit; siegbahn is smaller unit.
• 1 [xu] = `1.0021*10^-13` [m]
• 1 [m] = `1/(1.0021*10^-13)` [xu] = 9979044007584.1 [xu]
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Multiply convert of x unit; siegbahn to common length units:
[xu]Length units sort by name in ABC order
Lide, D. (Ed.). (1990). Handbook of Chemistry and Physics (71st ed). Boca Raton, FL: CRC Press. Section 1.