Extra Principle Mortgage Calculator
This **extra principle mortgage calculator** helps you visualize the massive savings and faster payoff timeline achievable by consistently paying more than your scheduled monthly mortgage amount. Evaluate different strategies—monthly extra payments, annual lump sums, or one-time contributions—to see your financial future accelerate.
Scenario 1: Full Loan Details Known
Use this section if you know the original loan parameters and how many years/months are remaining on the loan term. This is ideal for recent mortgages or for tracking progress.
Payoff in 25 years and 1 month scale(0.8)'><path fill='white' d='M17 3H5c-1.11 0-2 .9-2 2v14c0 1.1.89 2 2 2h14c1.1 0 2-.9 2-2V7l-4-4zm-5 16c-1.66 0-3-1.34-3-3s1.34-3 3-3 3 1.34 3 3-1.34 3-3 3zm3-10H5V5h10v4z'/></g><text x='0' y='20' fill='%23d9f0c6' style='font-family:arial,helvetica,sans-serif;font-size:9px'>save</text></svg> "Save this calculation")
Based on a remaining balance of $295,953.51. By paying an extra **$100.00 per month** starting now, your loan will be paid off in 25 years and 1 month. This is **2 years and 11 months earlier**, resulting in interest savings of **$36,000**.
| Interest Savings $36,000 |
Time Savings 2 years and 11 months |
|---|---|
|
Original Total Interest: $310,953
New Total Interest: $274,953
Pay **12% less** on interest
|
Original Payoff: 28 yrs
New Payoff: 25 yrs, 1 mo
Payoff **10% faster**
|
| Original | With Extra Payments | |
|---|---|---|
| Monthly Payment (P&I) | $1,896.20 | $1,996.20 |
| Total Payments (Remaining) | $637,422.00 | $560,959.20 |
| Total Interest (Remaining) | $341,468.40 | $274,953.51 |
| Payoff in | 28 yrs, 0 mos | 25 yrs, 1 mo |