United States Dollar (USD) To Sierra Leone Leone (SLL) 90 Day HistoryUnited States Dollar To Sierra Leone Leone 90 Day HistoryDec 28Jan 27Feb 27Mar 28Min = 19749.9997 (Jan 17) Avg = 20529.67465 Max = 22746.4313 (Mar 15)19,00019,90020,80021,70022,60023,500USD/SLLCopyright © fxexchangerate.com