The Mortgage Calculator


Change these fields as desired:

Principal Loan Balance
Annual Interest Rate (%)
CANADIANS:Add a C (e.g. 7.75C) and I will use a conversion factor to convert your rates to a US equivalent to use in my calculations.
Amortization Length
(Years, typically 30 or 15 in US, 25 in Canada)
Starting Month Year =
Show full amortization table?
Pre-payment method:
Monthly/Annually/One-Time Principal Prepayment Amount
One-Time Prepayment to be paid after payment (month #)
Display Using


This is run using a simple Perl script. I love Perl.

Thanks to: Hugh Chou for this script