Mortgage Calculators
Free mortgage calculators for first-time buyers, homeowners comparing refinancing options, and property investors planning scenarios. Enter your loan amount, interest rate, and term to see monthly payments and a full yearly amortization summary — with CSV export and formula breakdown.
Common use cases
First-time buyer planning
Estimate monthly payments on your target property before speaking to a mortgage broker or bank.
Comparing fixed vs variable rates
Model the total interest difference between fixed-rate and variable-rate mortgage scenarios over a 25-year term.
Refinancing decision
Calculate whether refinancing at a lower rate saves enough in interest to justify the upfront costs and paperwork.
Affordability check
Test different down payments and loan terms to find a monthly payment that fits within your income and expenses.
Extra payment impact
See how much time and total interest you save by adding even a small extra payment each month.
Investment property modelling
Model mortgage costs against projected rental income to check initial cash-flow viability before purchasing.
Related categories
Frequently asked questions
What does the mortgage amortization schedule show?
The amortization schedule shows your monthly payment split into principal repayment and interest for every month of the loan term. Early payments are mostly interest; this gradually shifts toward principal over time.
Do these calculators include property taxes and insurance?
No. The tools calculate principal and interest only. You should add estimated property taxes, homeowners insurance, and any PMI separately to get total monthly housing costs.
How does extra payment affect my mortgage?
Any extra amount paid above the minimum monthly payment is applied directly to principal, which reduces the outstanding balance and shortens the loan term — saving significant interest.
Are mortgage calculator results exact?
Results are estimates. Actual payments may differ based on lender fees, rounding conventions, insurance, taxes, and specific loan terms. Always confirm with your mortgage provider.