How much is a 2005 one pound coin worth in the US?

A 2005 one-pound coin from the UK is generally worth its face value of one British pound, which is approximately $1.25 to $1.40 USD, depending on the current exchange rate. However, if it is in uncirculated or collectible condition, it may fetch a higher price among collectors. It's best to check current exchange rates and collector markets for the most accurate valuation.