🏠 Mortgage Calculator
Plan your payoff, visualize every payment, save on interest.
🏦
Loan Parameters
🔒
Completely offline — nothing leaves your browser. Data is saved in
localStorage
. View the source on
GitHub
.
📤 Export
📥 Import
🏠 Loan Amount ($)
📈 Interest Rate (%)
💳 Monthly Payment ($)
⭐ Annual Extra Payment ($)
📅 Extra Payment Month
January
February
March
April
May
June
July
August
September
October
November
December
🔢 Extra Payment Count
(-1 = unlimited)
🗓️ Start Date
January
February
March
April
May
June
July
August
September
October
November
December
✨ Calculate
Calculating...
Crunching the numbers…
📊 Summary
✨ With Extra Payments
⏱️ Total Duration
—
📅 Payoff Date
—
💳 Total Paid
—
💸 Interest Paid
—
📊 Without Extra Payments
⏱️ Total Duration
—
📅 Payoff Date
—
💳 Total Paid
—
💸 Interest Paid
—
📋 Detailed Payment Schedule
Paid
Date
Type
Payment
Interest
Principal
Balance
Cumul. Interest
Cumul. Principal
% Paid