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

USD = ZWL$14.4330
ZWL$ = RAND1.0224

Data according to the Reserve Bank of Zimbabwe

Black Market Rates:

USD = ZWL$20.50 zimrates
USD = ZWL$20.30 zwl365
USD = ZWL$20.40 bluemari
USD = BOND13.30 zimrates

More: Marketwatch