Mortgage vs Investment Calculator

Should you use your extra money to pay down your mortgage or invest it?

How this comparison works:

Option A: Apply your lump sum and monthly extra payments toward your mortgage principal
Option B: Invest the same lump sum and monthly amounts at your expected return rate

Mortgage Details

Extra Money Available

This is the money you can either use to pay down your mortgage OR invest

One-time amount available to either pay down mortgage or invest

Monthly amount available to either pay extra on mortgage or invest

Investment Assumptions

Annual percentage return (e.g., 8% per year)

Calculation Period

Calculating over 300 months (25.0 years)

Option A: Pay Down Mortgage

Using $0 lump sum + $2,000/month to pay extra principal

Total Interest Saved
$233,184
By paying down principal early

Option B: Invest the Money

Investing $0 lump sum + $2,000/month

Investment Gains
$1,314,733
Returns on $600,000 total invested
Final Investment Value: $1,914,733

🎯 The Verdict

Option A Benefit
$233,184
Interest Saved
Option B Benefit
$1,314,733
Investment Gains
Financial Difference
+$1,081,549
in favor of investing
Investing is better

Investing your extra money would generate $1,081,549 more than paying down your mortgage early

This calculator provides estimates for comparison purposes only. Consult with a financial advisor for personalized advice.