Interest runs daily and simple, at each year's own rate.
Interest
€325.00
Total payable
€10,325.00
Average rate over the period
3.25 %

From 20 September 2025 to 20 September 2026: 365 days.

The period broken down by rate window
WindowDaysRateInterest
20 Sept 20251033.25 %€91.71
01 Jan 20262623.25 %€233.29
Amount owed€10,000.00
Total€10,325.00
  • Mind the start date: article 1100 of the Civil Code requires the creditor to DEMAND payment, in or out of court, before default exists. Unless the contract or a statute says otherwise, the clock starts on the demand and not on the due date.

Spanish statutory and late-payment interest calculator by Calculadora Capital