Loans & debt
Loan, mortgage and debt calculators
Compare loans, plan payoff and see what interest really costs. Covers mortgages, refinancing, HELOCs, auto and business loans and credit cards.
11 calculators
Amortization Schedule Calculator
Free amortization schedule calculator, printable PDF & CSV. Monthly payment, full loan table, extra payments, and principal vs interest breakdown.
- Amortization schedule calculator
- Printable amortization schedule
Mortgage Refinance Calculator
Free refinance calculator for mortgages, compare payment, break-even months, and cash-out refi. P&I only; no signup, not a loan offer.
- Refinance calculator
- Mortgage refinance calculator
HELOC Calculator
Free HELOC calculator, draw vs repayment payments, payment shock, and borrowing limit from home value and CLTV. CSV/PDF export.
- HELOC calculator
- Home equity line of credit calculator
Rent vs Buy Calculator
Free rent vs buy calculator, breakeven horizon, average monthly cost compare, PMI & opportunity cost toggles, chart and CSV/PDF export.
- Rent vs buy calculator
- Rent or buy calculator
PMI Calculator
Free private mortgage insurance (PMI) calculator, monthly PMI, total until cancellation, LTV from down payment, CSV/PDF export.
- PMI calculator
- Private mortgage insurance calculator
Simple Interest Calculator
Free simple interest calculator & I=Prt formula tool, solve loan interest, monthly amounts, principal, rate, or end balance with steps, chart, and CSV/PDF export.
- Simple interest calculator
- Simple interest formula
Debt Payoff Calculator
Free debt payoff calculator, compare snowball vs avalanche, see your debt-free date, model extra payments, and export a monthly payoff schedule.
- Debt payoff calculator
- Debt calculator
Credit Card Interest Calculator
Free credit card interest calculator, quick estimate or average daily balance ledger, purchase APR, billing days, steps, CSV/PDF export.
- Credit card interest calculator
- Average daily balance
Finance Charge Calculator
Free finance charge calculator: balance, APR, and billing days, carried or average daily balance, step breakdown, presets, CSV/PDF export.
- Finance charge calculator
- How to calculate finance charge
Car Payment Calculator
Free car payment calculator, monthly auto loan payment with down payment, trade-in, sales tax, and fees. Amortization schedule with CSV/PDF export.
- Auto loan calculator
- Car payment calculator
Business Loan Calculator
Free small business loan payment calculator: estimate monthly payment, interest, fees, and effective APR. Amortization schedule with CSV or PDF export.
- Business loan calculator
- Small business loan calculator
Frequently asked questions about loan, mortgage and debt calculators
What does an amortization schedule show?
It lists each payment split into principal and interest, plus the remaining balance, so you can see how interest shrinks as the loan is paid down.
When does refinancing make sense?
When the savings from a lower rate or better terms outweigh the closing costs within the time you expect to keep the loan. The refinance calculator shows the break-even point.
What is the fastest way to pay off debt?
Paying more than the minimum reduces interest. The debt payoff calculator compares how different extra-payment amounts change your payoff date.