300 USD is worth 0.297000 ETH as of June 30, 2022 (Thursday). Please note that we will calculate any amount of US Dollars in Ethereums no matter how big is the number you enter, but it will be just that - a calculated number. All currencies are limited by their actual supply. It means that if there are 21,000,000 Bitcoins out there in the market you cannot buy 22,000,000 even if you have the money to spend on them.
USD/ETH Price Chart
This chart displays history of exchange rate for USD/ETH or (US Dollar / Ethereum)