The Sri Lankan currency is the Rupee (Rs), divided in to 100 cents. Notes come in denominations of 10, 20, 50, 100, 200, 500, 1000 & 2000. Breakdown larger notes when you change money – it can sometimes be a problem to breakdown a larger note (500, 1000 or 2000).
Hotels and other tourist establishments will quote you the price in US$ or Euro and collect in Rupees at the prevailing exchange rate.