Mortgage Conquest

Crush your mortgage with precision. See your full PITI payment, explore extra payments, and dominate the amortization timeline.

Part 1 — The Foundation

Loan Amount —
Principal & Interest —
Taxes + Insurance —
Total PITI / month —

Part 2 — The Accelerator

Amortization Table (Accelerated)

# Date P&I Payment Principal Interest Extra Tax+Ins Total PITI Balance

Tip: Click any header to sort. Table shows the **accelerated** schedule (with your extra payments). Baseline is used for savings comparison.

How to Use This Mortgage Conquest Calculator

  1. Part 1 — The Foundation: Enter Home Price, Down Payment, Interest Rate (APR %), Loan Term (years), Annual Property Tax, and Annual Homeowners Insurance
  2. Click Calculate — see Loan Amount, Principal & Interest, Taxes + Insurance, and Total PITI/month
  3. Part 2 — The Accelerator: Enter Extra Monthly Payment ($), One-Time Lump Sum ($), and the month to apply the lump sum
  4. Click Run Accelerator — see how much interest you’ll save and how much earlier you’ll own your home
  5. View the full accelerated amortization table — each row shows payment #, date, P&I, principal, interest, extra payment, tax+ins, total PITI, and remaining balance
  6. Click any column header to sort the table (e.g., sort by balance to see payoff acceleration)
  7. Click Export CSV to download the full amortization schedule for your records

How Mortgage Payments are Calculated (PITI + Extra Payments)

Loan Amount = Home Price — Down Payment
Monthly P&I = P × r × (1+r)^n / ((1+r)^n — 1)
Monthly PITI = P&I + (Annual Tax ÷ 12) + (Annual Insurance ÷ 12)
Extra Payment Impact: Extra principal reduces balance faster → less interest → payoff earlier

Real Example

Inputs:

  • Home Price: $450,000 | Down Payment: $90,000 (20%)
  • Interest Rate: 6.75% | Loan Term: 30 years
  • Property Tax: $6,000/year | Insurance: $1,800/year
  • Extra Monthly: $200 | Lump Sum: $10,000 at month 24

Results:

  • Loan Amount: $360,000
  • Principal & Interest: ~$2,335/month
  • Taxes + Insurance: $500/month ($6k+$1.8k ÷ 12)
  • Total PITI: ~$2,835/month
  • With $200 extra/month + $10k lump sum:
    – Interest Saved: ~$45,000
    – Time Saved: ~4.5 years earlier (pays off in ~25.5 years instead of 30)

Why Use This Mortgage Conquest Calculator?

  • ✅ Complete PITI Breakdown — Principal, Interest, Taxes, Insurance
  • ✅ Extra Payment Accelerator — See impact of extra monthly payments and lump sums
  • ✅ Full Amortization Table — Every payment, principal, interest, and balance
  • ✅ Sortable Table — Click any column header to sort (e.g., by balance)
  • ✅ CSV Export — Download amortization schedule for Excel or Google Sheets
  • ✅ Interest & Time Saved — See exactly how much extra payments save you
  • ✅ Free & Unlimited — No signup required
  • ✅ Mobile Friendly — Responsive design with scrollable table

Frequently Asked Questions

What is PITI in a mortgage?

PITI is the full monthly mortgage payment:
– P = Principal (loan repayment)
– I = Interest (cost of borrowing)
– T = Property Taxes (annual ÷ 12)
– I = Homeowners Insurance (annual ÷ 12)
Lenders require PITI to be escrowed for conventional loans with less than 20% down.

How do extra payments save money?

Each extra dollar paid toward principal reduces the loan balance, which means less interest accrues in future months. Example: $360k @ 6.75%:
– $200 extra/month: Saves ~$45k interest, pays off ~4.5 years early
– $500 extra/month: Saves ~$85k interest, pays off ~8 years early
Rule of thumb: Even small extra payments compound into large savings over 30 years.

Should I make extra payments or invest the money?

Compare your mortgage rate vs expected investment returns:
– Mortgage rate 6.75%: Paying extra gives a guaranteed 6.75% return (risk-free)
– Investing in stocks: Historical average 7-10% but with risk
– Recommendation: If mortgage rate > 5%, prioritize extra payments; if rate < 4%, investing may be better. Use this calculator to see exact savings.

What’s the difference between extra monthly and lump sum?

Extra monthly: Adds a fixed amount to every monthly payment (e.g., +$200/month). Spreads savings over time.
Lump sum: One large payment at a specific month (e.g., $10k at month 24). Best for bonuses, tax refunds, or inheritance.
Best strategy: Use both — regular extra payments + occasional lump sums for maximum acceleration.

How do I read the amortization table?

The table shows every payment over the life of your loan (accelerated with extra payments):
– Payment #: Month number
– Principal: Amount going to loan balance (increases over time)
– Interest: Amount going to lender (decreases over time)
– Extra: Additional principal paid (shows lump sum if applicable)
– Balance: Remaining loan amount after payment
You’ll see that extra payments cause the balance to drop faster and the loan to end earlier.

Related Mortgage Calculators

Disclaimer: This mortgage calculator provides estimates for informational purposes only. Actual savings vary based on lender terms, prepayment penalties, and rate changes. Check with your lender for prepayment policies. Consult a financial advisor before making extra payment decisions.