Mortgage Calculator
Estimate monthly payments, total interest, and repayment balance.
M = P[r(1+r)^n] / [(1+r)^n - 1]
$400,000 at 6.5% over 30 years = $2,528.27 / month
Interactive calculator
Mortgage Calculator
Monthly payment
$2,528.27
Total payment
$910,177.95
Total interest
$510,177.95
Formula/
M = P[r(1+r)^n] / [(1+r)^n - 1]Formula
M = P[r(1+r)^n] / [(1+r)^n - 1]
The formula is shown directly so users can audit how the result is produced.
Example
$400,000 at 6.5% over 30 years = $2,528.27 / month
Examples make common scenarios faster to verify before users enter their own values.
Reference Table
Principal$400,000
Monthly payment$2,528
Total interest$510,177
Reference values help users scan common conversions and compare expected ranges quickly.