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

USD = ZWL$13.5192
ZWL$ = RAND1.0866
Data according to the Reserve Bank of Zimbabwe

Black Market Rates:

USD = ZWL$16.60 zimrates
USD = ZWL$16.60 zwl365
USD = ZWL$16.40 bluemari
USD = BOND10.80 zimrates

More: Marketwatch