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Finance & Mortgage Calculators

Mortgage, debt, DTI, personal-loan, affordability, and borrowing-cost calculators to estimate payments, approval readiness, payoff timelines, and cash-flow impact. This category includes 10 free tools.

Mortgage Calculator

Calculate your monthly mortgage payment including principal, interest, taxes, and insurance. Free mortgage calculator updated for 2026.

Finance & Mortgage

Loan Payment Calculator

Calculate monthly loan payments, total interest, and view a full month-by-month amortization schedule for any loan.

Finance & Mortgage

House Affordability Calculator

Estimate how much house you can afford based on your income, debts, rate, down payment, taxes, and insurance.

Finance & Mortgage

After-Tax Budget Calculator

Build a monthly budget from take-home pay, including rent targets, 50/30/20 categories, debt payments, and housing guardrails.

Finance & Mortgage

Mortgage Payoff Calculator

See how extra mortgage payments affect your payoff date and total interest. Free mortgage overpayment calculator.

Finance & Mortgage

Credit Card Payoff Calculator

Estimate how long it takes to pay off your credit card balance and how much interest you will pay along the way.

Finance & Mortgage

APR Calculator

Estimate APR from loan amount, fees, monthly payment, and term. Compare financing offers using annual percentage rate.

Finance & Mortgage

Personal Loan Calculator

Calculate personal-loan monthly payment, origination fees, total interest, and effective APR before you apply.

Finance & Mortgage

Debt-to-Income Calculator

Calculate your front-end and back-end debt-to-income ratios for mortgage approval and monthly debt planning.

Finance & Mortgage

Emergency Fund Calculator

Estimate how much emergency savings you need based on essential monthly expenses and your target coverage in months.

Finance & Mortgage

About Finance & Mortgage Calculators

Whether you're buying your first home, checking affordability, refinancing an existing loan, comparing a personal loan, estimating APR, or building a safer monthly cash-flow plan, understanding your true borrowing cost is essential before you sign anything. Our finance and mortgage calculators use standard industry formulas — the same ones lenders use — to give you an accurate picture of your monthly payment, total interest paid, payoff path, and financing drag.

The mortgage payment formula accounts for principal, interest rate, and loan term. Our calculators also let you layer in property taxes, homeowner's insurance, and HOA fees so your estimate reflects what you'll actually pay each month — not just the PITI-light figure lenders advertise. Use the debt-to-income, personal-loan, and APR calculators to compare lender offers more honestly, or the emergency-fund calculator to reduce your dependence on expensive debt in the first place.

All estimates are based on fixed-rate assumptions unless otherwise noted. Adjustable-rate mortgages (ARMs) involve variable future payments that depend on rate-index changes, which our tools cannot predict. Always verify key figures with your lender before committing to a loan.

Frequently Asked Questions

What is included in a monthly mortgage payment?

A full mortgage payment (PITI) includes Principal (reduces the loan balance), Interest (the lender's cost of lending), Taxes (property taxes escrowed monthly), and Insurance (homeowner's policy). Many loans also include PMI if the down payment is below 20%, and some have HOA fees.

How do I lower my monthly mortgage payment?

You can lower your payment by making a larger down payment (reduces principal), securing a lower interest rate through good credit or rate shopping, choosing a longer loan term (30 vs. 15 years), or eliminating PMI once you reach 20% equity. Refinancing at a lower rate can also reduce an existing payment.

What is the 28/36 rule for mortgage affordability?

The 28/36 rule is a guideline lenders use: your mortgage payment should not exceed 28% of your gross monthly income, and your total monthly debt (mortgage + car loans + credit cards) should not exceed 36%. Staying within these limits significantly improves loan approval odds.

What is amortization and why does it matter?

Amortization is the process of paying down a loan through scheduled payments over time. Early in a mortgage, most of your payment goes toward interest. As the loan matures, a growing share goes toward principal. Understanding amortization helps you see the true cost of a loan and the benefit of extra principal payments.