Compare the financial benefits of making extra mortgage payments versus investing that money. See which strategy works better for your situation with detailed tax considerations, including mortgage interest deductions and investment returns.

Loan, Tax & Investing Inputs

$
%
%
%
%

Extra Principal

One-Time Extra

$

Recurring Monthly Extra

$

Payment Summary

Standard Monthly Payment (P&I)
$2,528.27
Months (fixed)
360
Tax Rate Used
24%
Payoff Date (with extras)
September 2056
Months to Payoff (with extras)
360
Time saved vs base: 0 mo
Total Interest (with extras)
$510,179.81
Interest saved vs base: $0.00
Tax savings applied: $25,496.95 → After-tax interest: $484,682.86
Total Extra Principal Paid
$0.00
Prepay vs invest — equal monthly budget through the original payoff date
Roughly Equivalent
After-tax ending-value difference: $0.00
Invest-extras value at original payoff
$114,065.44
Prepay-path invested value
$114,065.44
Time Saved vs Base (theoretical)
0 months
Base payoff M360, with extras M360

Balance & Cumulative Interest

M5M26M49M72M95M119M145M171M197M224M251M278M306M333M3600150000300000450000600000
  • Ending Balance
  • Cumulative Interest (gross)
  • Cumulative Interest (after tax)

Yearly Principal vs Interest (with extras)

2028203120332036203920422045204820512053205607000140002100028000
  • Principal (incl. extras)
  • Interest
#DatePaymentInterestPrincipal (incl. Extras)ExtrasEnding Balance
12026-10-01$2,528.27$2,166.67$361.60$0.00$399,638.40
22026-11-01$2,528.27$2,164.71$363.56$0.00$399,274.84
32026-12-01$2,528.27$2,162.74$365.53$0.00$398,909.31
42027-01-01$2,528.27$2,160.76$367.51$0.00$398,541.80
52027-02-01$2,528.27$2,158.77$369.50$0.00$398,172.30
62027-03-01$2,528.27$2,156.77$371.50$0.00$397,800.80
72027-04-01$2,528.27$2,154.75$373.52$0.00$397,427.28
82027-05-01$2,528.27$2,152.73$375.54$0.00$397,051.74
92027-06-01$2,528.27$2,150.70$377.57$0.00$396,674.17
102027-07-01$2,528.27$2,148.65$379.62$0.00$396,294.55
112027-08-01$2,528.27$2,146.60$381.67$0.00$395,912.88
122027-09-01$2,528.27$2,144.53$383.74$0.00$395,529.14
132027-10-01$2,528.27$2,142.45$385.82$0.00$395,143.32
142027-11-01$2,528.27$2,140.36$387.91$0.00$394,755.41
152027-12-01$2,528.27$2,138.26$390.01$0.00$394,365.40
162028-01-01$2,528.27$2,136.15$392.12$0.00$393,973.28
172028-02-01$2,528.27$2,134.02$394.25$0.00$393,579.03
182028-03-01$2,528.27$2,131.89$396.38$0.00$393,182.65
192028-04-01$2,528.27$2,129.74$398.53$0.00$392,784.12
202028-05-01$2,528.27$2,127.58$400.69$0.00$392,383.43
212028-06-01$2,528.27$2,125.41$402.86$0.00$391,980.57
222028-07-01$2,528.27$2,123.23$405.04$0.00$391,575.53
232028-08-01$2,528.27$2,121.03$407.24$0.00$391,168.29
242028-09-01$2,528.27$2,118.83$409.44$0.00$390,758.85
Note: The schedule shown is fixed-length for clarity (last month clears any remaining balance). The "Time Saved" metric is based on a separate early-payoff simulation for comparison purposes only.