The official currency in Nepal is the Nepalese Rupee. Avoid changing the bulk of your money at the airport as the exchange rates are usually more favorable in the city. Your tour leader will be pleased to help you if you need any assistance. The monetary unit of the Nepali currency is Nepali Rupee its short form is NRS. Its value of rupee comes in 1, 2, 5, 10, 20, 25, 50, 100, 500, and 1000 in paper notes, the 1 and 2, and 25 are rare. There are coins of 1, 2, and rare with 5-rupee quantities.
There are foreign currency exchange counters at an international airport. You can make a change upon your arrival at the airport. You better make changes at stalls and banks. But you also can pay USD for the visa on demand at the airport ($25 USD for 15 days, $120USD/90 days. Let’s will talk about the Nepalese Rupees when you arrived in Kathmandu.