Mortgage & Loan Calculators

Home Mortgage & Loan Calculators
267+ Free Calculators

Mortgage & Loan Calculators

Every borrowing calculation you will ever need — from monthly mortgage payments to debt payoff strategies. Free, instant, no sign-up.

267+ Calculators · Instant Results · Formula Display · Free Forever

Why Use a Loan or Mortgage Calculator?

Borrowing money is one of the biggest financial decisions most people ever make. Yet most borrowers walk into a lender's office without knowing their numbers — and that costs them thousands of dollars in unnecessary interest, unfavourable terms, and missed opportunities to pay off debt faster.

Our mortgage and loan calculators give you the exact numbers before you sit across the table from any lender. You will know your monthly payment, your total interest cost, your break-even point on refinancing, and your fastest path to becoming debt-free. Knowledge is leverage — and these calculators give you both.

Whether you are buying your first home, comparing auto loan offers, planning to pay off student debt, or deciding whether to refinance, the right calculator gives you clarity in seconds. Every calculator below is free, works on any device, and shows you the complete formula behind every result.

Common Questions

Mortgage & Loan FAQ

Your monthly payment is calculated using the formula: M = P × [r(1+r)^n] / [(1+r)^n - 1], where P is the principal loan amount, r is the monthly interest rate (annual rate ÷ 12), and n is the total number of payments (years × 12). Our Mortgage Calculator handles this instantly and shows you the full formula.
The interest rate is the cost of borrowing the principal. APR (Annual Percentage Rate) includes the interest rate plus additional fees such as origination fees, mortgage points, and other lender charges. APR gives you a more accurate picture of the true annual cost of a loan. Always compare APR — not just interest rate — when shopping for loans.
The standard rule is that your monthly housing costs — including principal, interest, taxes, and insurance (PITI) — should not exceed 28% of your gross monthly income. Your total debt payments (housing plus all other debt) should not exceed 36%. Use our Mortgage Affordability Calculator to find your number based on your income, debts, and down payment.
Yes — significantly. Every extra dollar paid toward your principal reduces the balance on which future interest is calculated. On a $300,000 mortgage at 6.5%, paying just $200 extra per month can save over $80,000 in interest and cut 7 years off your loan term. Use our Additional Principal Payment Calculator to see your specific savings.
Generally, a credit score of 740 or above qualifies you for the best available mortgage rates. Scores between 680–739 typically get competitive but not optimal rates. Below 680, you may still qualify for conventional loans but at higher rates. FHA loans are available for scores as low as 580 with a 3.5% down payment.

Ready to Run Your Numbers?

Every mortgage and loan calculator above is free, instant, and works on any device. No sign-up. No paywall. Just your answer.