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💰 Financial · Rex's Toolbox

Mortgage Calculator

Estimate your monthly mortgage payment, total interest, and payoff.

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Rex says

The number that matters isn't the price — it's the monthly. Most surprises come from rate, not principal. Move the rate slider 1% and watch the monthly jump; that's the conversation to have with your lender.

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Click to load — tweak from there.

Inputs

Result

Monthly payment

$2,075.51

Loan amount

$320,000

Total interest

$427,185

Total paid

$747,185

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About $2,076/mo (principal + interest only). Over 30 years you'll pay ~$427,185 in interest — that's 133% on top of the loan. Add ~1–2% of home value/year for taxes + insurance.

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How to use this

  1. 1Enter the home price you're considering.
  2. 2Down payment goes here — 20% avoids PMI in most cases.
  3. 3Punch in the rate your lender quoted (or today's average for a gut-check).
  4. 4Pick your term — 30-year keeps it low, 15-year cuts interest in half.
  5. 5Add ~1–2% of home value/year for taxes + insurance — those aren't included here.

About this calculator

Estimate the monthly payment on a home loan from price, down payment, interest rate, and term. Includes total interest paid over the life of the loan.

FormulaMonthly payment = P × r / (1 − (1+r)^−n), where r is the monthly rate and n is months.

FAQ

Does this include taxes and insurance?

No — this is principal and interest only. Add 1–2% of home value annually for taxes + insurance estimates.

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