Notes
Enter the nominal interest rate not an APR.
All calculations are performed on a monthly basis.
The figures are estimates only - your lender's figures will vary!
Amortization formula
Karl's Mortgage Calculator uses a standard amortization formula commonly used around the world. Interest is calculated on a monthly basis. Most financial institutions base their calculations on this formula, but many will calculate interest on a daily, weekly or even annual basis. The figures generated by the calculator should therefore approximate what your lender will charge you, but you should always contact your lender for exact details on how and when they charge interest on outstanding principal balances.
...