Question: how much is 1 lot of eur/usd?
Answer: Lot. Forex is traded in amounts called lots. One standard lot> has 100,000 units of the base currency, while a micro lot has 1,000 units. For example, if you buy 1 standard lot of EUR/USD at 1.3125, you buy 100,000 Euros and you sell 131,250 US dollars.