IBAN checker
Check an IBAN's length, country format and check digits (ISO 13616, Modulo 97) locally in your browser.
Banking & Payments
Calculators and tools in the Banking & Payments section.
Payments
Calculators in the Payments topic.
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Late Payment Interest
Calculators in the Late Payment Interest topic.
Day Count Calculator
Calculate day counts between two dates using ACT/ACT, ACT/360, ACT/365, 30/360, and 30E/360. Compare all methods at a glance — with optional interest amount calculation.
Late Payment Interest Calculator
Calculate late payment interest per Section 288 BGB for consumers and businesses. Automatic period splitting upon base rate changes, with full calculation steps and sub-period table.
Currencies
Calculators in the Currencies topic.
Currency converter
Convert amounts between the euro and 30 world currencies using the daily euro reference rates of the European Central Bank - with a visible rate date and source, without fees or surcharges.