Dont know what the exchange rate is between your currency and your Linden dollar?
Heres the Linden Currency Converter to help you get the conversation rate between your money and the Linden Dollar (and other forms of currency).
Linden Currency Converter is in not way associated with Linden Labs or Secondlife.
Linden Currency Converter simply calculates the currency rate between real life currency and virtual currency (and other real life currency, if you choose to use this option).