The current bank exchange rates for the ZWL$ today are as follows:

USD = ZW$15.9631
ZWL$ = RAND0.9267
Data according to the Reserve Bank of Zimbabwe

Black Market Rates:

USD = ZW$21.70 zimrates
USD = ZW$21.00 zwl365
USD = ZW$21.40 bluemari
USD = ZW$15.60 bluemari

– Marketwatch