Translation guide
The currency of the United States. In Japanese, it is most commonly referred to as ドル, often with the country prefix 米 (べい) to specify US dollars.
Referring to the US dollar as a currency unit or in financial contexts.
The most common and natural way to say 'dollar' in Japanese. Context usually makes it clear that it's US dollars.
これは10ドルです。
This is 10 dollars.
ドルで支払えますか？
Can I pay in dollars?
Explicitly 'US dollar', used in financial news or when distinguishing from other dollar currencies.
米ドルが上昇した。
The US dollar rose.
Literally 'America dollar'. Less common than 米ドル, but understandable.
I want to exchange to US dollars.