Here are the latest official foreign currency exchange rates for today, March 17, 2020:

USD to ZWL$: 18.4292
ZWL$ to RAND: 0.8952
(Data according to the Reserve Bank of Zimbabwe)

Parallel market foreign exchange rates are as follows:
USD to ZWL$ zimrates.com $43.60
USD to ZWL$ zwl365.com $42.70
USD to ZWL$ bluemari.info $42.00
USD to BOND: zimrates.com $31.80

Source: marketwatch