Pay Off Mortgage or Invest?

Got a lump sum? Compare putting it toward your mortgage with investing it, and see the investment return you'd need for investing to come out ahead.

Pay down the mortgage: ahead by

$33,268

$
%
years
$
Cash you could either invest or put toward the mortgage today
%
Average yearly return before tax
%
Use 0 for a Roth IRA or 401(k); 15% is the common long-term capital gains rate

Pay down the mortgage: ahead by

$33,268

Net worth after 25 years · investing wins if returns beat 7.9%

Net worth over time

Invest the lump sum

$212,077

Pay down the mortgage

$245,346

Both strategies spend the same monthly payment. Once the mortgage is paid off, that payment is invested. Net worth is investments minus mortgage owed. Assumes a constant return and ignores the mortgage interest deduction.

Net worth by year

YearInvest the lump sumPay down the mortgage
1-$242,072-$241,698
2-$233,635-$232,840
3-$224,656-$223,389
4-$215,101-$213,305
5-$204,933-$202,546
6-$194,112-$191,066
7-$182,595-$178,817
8-$170,339-$165,748
9-$157,295-$151,803
10-$143,413-$136,925
11-$128,639-$121,050
12-$112,915-$104,112
13-$96,179-$86,040
14-$78,368-$66,757
15-$59,411-$46,183
16-$39,234-$24,232
17-$17,758-$810
18$5,099$24,105
19$29,428$50,503
20$55,324$78,471
21$82,887$108,104
22$112,225$139,499
23$143,454$172,763
24$176,694$208,006
25$212,077$245,346