Example interest rate: With a loan of € 10,000, 6 years. on the loan period, the monthly installment is 183 €. In this case, the total cost of the loan is € 13,158, the nominal interest rate is 9.5% and the actual annual interest rate is 9.92% (incl. € 0 billing surcharge and opening fee € 0). The loan amounts of lenders vary from € 1,000 to € 60,000, the nominal interest rate is 4.41–20% (actual annual interest rate is 4.5-38%) and the loan period is 1–15 years. between.