Loan & Money Calculators

Every loan comes with a number that gets all the attention — the monthly payment — and a number that gets almost none: the total interest paid over the life of the loan. That second number is where the real cost of borrowing lives, and it is often shockingly large. Our loan and money calculators are built to make that hidden cost visible so you can make borrowing decisions with full information, not just the figure on the sticker.

These tools serve anyone who borrows money or carries debt. If you are shopping for a car loan, the Auto Loan Calculator shows your monthly payment and total cost including trade-in value, down payment, and sales tax. If you are evaluating a personal loan, the Loan Calculator handles any amount, rate, and term. If you are managing existing debt across multiple accounts, the Debt Consolidation Calculator shows whether combining everything into a single loan at a lower rate actually saves you money after accounting for fees and the new repayment timeline. And if you have received a balance transfer offer from a credit card company, our Balance Transfer Calculator factors in the transfer fee (typically 3 to 5 percent of the balance) and the promotional period length to show whether the offer is genuinely worth taking.

Understanding the outputs requires paying attention to the right numbers. Loan calculators display three things: your monthly payment, your total interest paid, and a full amortization schedule. The amortization schedule shows how each payment splits between principal and interest month by month. Early in a loan, the majority of your payment is interest. This is why making extra principal payments — even small ones — has an outsized impact on total cost. Debt payoff calculators take a different approach, modeling strategies like the snowball method (targeting the smallest balance first for psychological momentum) and the avalanche method (targeting the highest interest rate first for mathematical efficiency). Both show your debt-free date and total interest paid so you can compare.

There are a few patterns worth avoiding. The most common is choosing the longest available loan term to minimize the monthly payment. A 72-month car loan at 6 percent costs roughly 50 percent more in total interest than a 48-month loan for the same amount. The monthly difference might be $80, but the total difference is thousands of dollars. Another frequent mistake is making minimum payments on credit cards. A $5,000 credit card balance at 20 percent APR with minimum payments takes over 25 years to pay off and costs more in interest than the original balance. Running the numbers in a calculator makes this painfully clear, which is exactly the point. Finally, be careful with consolidation: it only works if you stop using the cards you just paid off. Consolidating and then running up new balances leaves you with more debt than you started with.