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

USD = ZWL$16.8329
ZWL$ = RAND0.8424
Data according to the Reserve Bank of Zimbabwe

Black Market Rates:

USD = ZWL$22.8 zimrates
USD = ZWL$22.7 zwl365
USD = ZWL$20 bluemari
USD = BOND16.6 zimrates

— Market Watch