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Loans & credit calculators
Explore 19 free loans & credit calculators. Calculate in your browser with clear inputs, worked examples, and transparent methods.
19 calculators available
- Amortization Calculator
Calculate an amortizing payment, first-month principal and interest, total interest, and payoff time.
- APR Calculator
Estimate annual percentage rate from amount received, monthly payment, term, and prepaid finance charges.
- Auto Lease Calculator
Estimate a vehicle lease payment from capitalized cost, residual, money factor, term, tax, and upfront reductions.
- Auto Loan Calculator
Estimate vehicle financing from purchase price, trade-in, down payment, sales tax, fees, and loan terms.
- Boat Loan Calculator
Estimate payment and total interest for a fixed-rate boat or marine loan.
- Business Loan Calculator
Estimate business-loan payment, borrowing cost, fees, and payoff with optional extra principal.
- Cash Back or Low Interest Calculator
Compare vehicle cash-back financing with a standard rate against a lower-rate offer without the rebate.
- Credit Card Calculator
Estimate credit-card payoff time and interest from balance, APR, monthly payment, and extra payment.
- Credit Cards Payoff Calculator
Estimate avalanche payoff for multiple cards while preserving the entered total monthly payment.
- Debt Consolidation Calculator
Compare current weighted debt cost with a proposed consolidation loan after origination fees.
- Debt Payoff Calculator
Compare payoff time and interest with and without an extra monthly debt payment.
- Debt-to-Income Ratio Calculator
Calculate front-end and back-end monthly debt-to-income ratios from gross income and required payments.
- Interest Rate Calculator
Estimate the annual rate implied by a loan amount, monthly payment, and term.
- Lease Calculator
Estimate a level lease payment from asset value, residual, annual lease rate, and term.
- Loan Calculator
Calculate fixed-rate loan payments, interest, total cost, and accelerated payoff with extra payments.
- Payment Calculator
Estimate the periodic payment and total cost for a fixed-rate installment balance.
- Personal Loan Calculator
Compare the payment and all-in cost of an unsecured personal loan.
- Repayment Calculator
Estimate how long a fixed payment takes to repay a balance and how extra payments change the cost.
- Student Loan Calculator
Estimate student-loan payments, interest, fees, and the effect of voluntary extra payments.