Sweden, Krona. The Swedish Krona is the currency of Sweden. Our currency rankings show that the most popular Sweden Krona exchange rate is the SEK to EUR rate. The currency code for Kronor is SEK, and the currency symbol is kr. Below, you'll find Swedish Krona rates and a currency converter. You can also subscribe to our currency newsletters with daily rates and analysis, read the XE Currency Blog, or take SEK rates on the go with our XE Currency Apps and website.