How much is 100 frank in us dollar?

To convert 100 Swiss francs (CHF) to US dollars (USD), you need the current exchange rate. As of my last update, the exchange rate was approximately 1 CHF to 1.10 USD, so 100 CHF would be roughly 110 USD. However, exchange rates fluctuate, so it's best to check a reliable financial news source or currency converter for the latest rate.