Interest Calculator

Calculation of claim and default interest according to German practice: Year = 360 days, each month = 30 days. If a date falls on the 31st of a month, the 30th is assumed; February is also counted as a full month of 30 days (BGer 9C_953/2009).

Basic Data

Original Claim

Interest Rate

% p.a.

Period

Start Date

End Date

Supplementary Costs

Collection Costs

Additional Costs

Partial Payments

Optional partial payments that are considered in the interest calculation. A partial payment reduces the interest-bearing claim from its payment date.

+ Add partial payment

Calculation Result

Calculation according to German practice (year = 360 days, month = 30 days). Amounts are rounded to two decimal places.

Payment date

Payment amount

Remove

Interest

Days

Total interest

Original claim

Collection costs

Additional costs

Partial payments made

Total amount

Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec

Please enter a claim.

Please enter an interest rate.

Please enter a start date.

Please enter an end date.

The end date must be after the start date.

A partial payment falls outside the period.

A partial payment exceeds the remaining claim.