Interest Calculator (CSV Only, 8%, 30/360, Annual Capitalisation)

Upload a CSV file with three columns: Application reference, Date, Amount.
Interest is calculated at 8% using 30/360 (US NASD), capitalised annually on each anniversary date up to today.

Select CSV file

Tip: In Excel, use Save As → CSV (Comma delimited) (*.csv). Avoid extra spaces.

Interest rate (%)

Enter as a percentage (e.g. 8 for 8%).

Rate: 8%

Day count: 30/360

As-of date:

Date format in CSV:

Finance Fees Interest Calculator — CSV Only · 8% · 30/360 · Annual Capitalisation