Why doesn't UK use euro?
Why doesn't UK use euro? Since the UK has withdrawn from the EU, euro adoption is practically impossible. Even if government and or public opinion were to change, the EU's position is that third countries would only adopt the euro through membership of the EU.
What is the weakest currency in the world?
The weakest currency in the world is the Iranian rial (IRR). The USD to IRR operational rate of exchange is 371,992, meaning that one U.S. dollar equals 371,922 Iranian rials.
Do British airports accept euros?
They do but the exchange rate might not be great and you will get change back in UK currency. You would get a better exchange rate changing them into USD before you leave the US than spending them at Heathrow.