A bank loan is money the bank lends you, which you pay back over time with interest
When you borrow from a bank, you receive a lump sum of money upfront. You then repay that amount in regular installments—usually monthly—over a set period. The bank charges you interest, which is the cost of borrowing. Interest is calculated as a percentage of what you owe and is added to each payment. The bank makes money from that interest; you pay more back than you borrowed.
The bank does not give you money without conditions. Before lending, the bank investigates whether you can repay. It checks your credit history, your income, and sometimes your assets. It may require collateral—something of value you own that the bank can take if you stop paying. A car loan uses the car itself as collateral. A personal loan often requires no collateral but charges higher interest because the bank's risk is greater. A business loan may require your personal may provide, meaning you are personally liable if the business cannot pay.
The terms of the loan—how much you borrow, how long you have to repay, what interest rate you pay—are written in a contract you sign. That contract is binding. If you miss payments, the bank can pursue collection, damage your credit score, or seize collateral. Understanding what you are signing matters before you borrow.
Key Takeaways
- A bank loan gives you money now that you repay in installments over months or years, with interest added to each payment.
- The bank decides whether to lend based on your credit history, income, and ability to repay, and may require collateral or a personal may provide.
- Interest rates vary by loan type, your credit score, and current market conditions—a better credit score usually means a lower rate.
- Missing payments damages your credit and can result in collection action or loss of collateral, so understanding your repayment obligation before signing is essential.
- Different loan types—personal, auto, business, home—have different terms, interest rates, and collateral requirements.
How interest and repayment schedules work
Interest is the price you pay for borrowing. A bank quotes it as an annual percentage rate (APR), which tells you what percentage of the loan balance you pay per year in interest. If you borrow $10,000 at 8% APR, you pay roughly $800 in interest over the first year—though the exact amount depends on how the bank calculates it and how quickly you repay.
Most loans use an amortization schedule, which breaks your loan into equal monthly payments. Early payments go mostly toward interest; later payments go mostly toward the principal (the amount you actually borrowed). A 5-year car loan and a 30-year mortgage follow this same pattern, but the mortgage spreads the cost over much longer, so monthly payments are smaller but total interest paid is much larger.
Some loans charge simple interest, calculated only on the remaining balance. Others use compound interest, which adds unpaid interest back into the balance, so you pay interest on interest. Credit cards typically use compound interest, which is why credit card debt grows faster than installment loans. When comparing loans, the APR accounts for these differences and lets you compare apples to apples.
What determines the interest rate you receive
Banks do not charge everyone the same rate. Your credit score—a three-digit number based on your payment history, how much debt you carry, and how long you have had credit—is the primary factor. A score above 750 might get you 5% interest; a score below 650 might get you 12% or higher. Over the life of a loan, a 2% difference in rate can cost you thousands of dollars.
The type of loan also matters. Secured loans (backed by collateral) carry lower rates because the bank can recover its money by taking the collateral. Unsecured personal loans carry higher rates because the bank has no collateral to fall back on. Auto loans fall in the middle. Mortgage rates are typically the lowest because homes are valuable collateral and mortgages are long-term, spreading risk.
Market conditions affect rates too. When the Federal Reserve raises its benchmark interest rate, banks raise the rates they charge borrowers. When the Fed lowers rates, bank rates typically fall. The economy, inflation, and competition between banks all influence what rate you are offered on any given day.
The difference between secured and unsecured loans
A secured loan requires collateral—an asset the bank can seize if you do not pay. A car loan is secured by the car. A home equity loan is secured by your home's equity. Because the bank can recover money by selling the collateral, it takes less risk and charges lower interest. But you risk losing that asset if you default.
An unsecured loan has no collateral. Personal loans, credit cards, and student loans are typically unsecured. The bank has no asset to seize, so it relies entirely on your promise to repay and your credit history. Because the risk is higher, interest rates are higher. The bank may require a co-signer—someone who promises to repay if you do not—to reduce its risk.
Secured loans are easier to get if your credit is poor, because the collateral protects the bank. Unsecured loans require stronger credit. If you have both options available, secured loans cost less in interest, but unsecured loans do not put your assets at risk.
What happens if you cannot make a payment
Missing a payment has immediate consequences. Most banks allow a grace period of 10 to 15 days before charging a late fee. After 30 days, the late payment is reported to credit bureaus and damages your credit score. After 90 days, the loan is considered in default, and the bank may begin collection efforts or seize collateral.
If you know you cannot make a payment, contact the bank before the due date. Many banks offer forbearance (temporarily pausing payments) or deferment (postponing payments to the end of the loan). These options keep you from defaulting and damaging your credit, though interest usually continues to accrue. Some banks negotiate loan modification, which changes the terms—extending the repayment period or lowering the rate—to make payments manageable.
If you default and the bank seizes collateral, it sells the asset to recover what you owe. If the sale does not cover the full debt, you may still owe the difference, called a deficiency. For unsecured loans, the bank may sue you, garnish your wages, or sell the debt to a collection agency. A default stays on your credit report for seven years and makes future borrowing much harder and more expensive.
How to compare loan offers from different banks
Banks are required to provide a Loan Estimate (for mortgages) or Truth in Lending disclosure (for other loans) within three business days of your request. These documents show the loan amount, interest rate, APR, monthly payment, total interest paid over the life of the loan, and all fees. Use these to compare offers side by side.
Do not compare interest rates alone. A lower rate means nothing if fees are high. Compare the APR, which includes both interest and most fees, and the total amount you will pay over the life of the loan. A 5-year loan at 6% APR costs less in total interest than a 7-year loan at 5% APR, even though the rate is higher, because you pay for fewer years.
Ask about prepayment penalties—fees the bank charges if you pay off the loan early. Some loans penalize early repayment; others do not. If you think you might pay off the loan early, choose a loan with no prepayment penalty. Also ask whether the rate is fixed (stays the same for the life of the loan) or variable (changes with market conditions). Fixed rates are more predictable; variable rates can increase significantly over time.
Common types of bank loans and how they differ
A personal loan is unsecured money you can use for almost any purpose—debt consolidation, home repair, a vacation. Amounts range from $1,000 to $100,000. Terms are typically 2 to 7 years. Interest rates vary widely based on credit score, usually between 6% and 36%. Personal loans are quick to process—often approved within days—but carry higher rates than secured loans.
An auto loan is secured by the vehicle you buy. The bank holds the title until you pay off the loan. Terms are typically 3 to 7 years. Interest rates are lower than personal loans because the car is collateral. The bank may require full insurance on the vehicle and may not allow you to sell it without paying off the loan first.
A mortgage is a long-term secured loan for buying a home. Terms are typically 15 or 30 years. Interest rates are the lowest of any loan type because homes are valuable collateral and the loan is spread over decades. Mortgages require a down payment (usually 3% to 20% of the home price) and involve significant paperwork and a home appraisal. Closing costs—fees for processing, appraisal, title insurance, and other services—can add 2% to 5% to the total cost.
A business loan is borrowed money for a business. Banks evaluate the business's financial statements, cash flow, and the owner's personal credit. Amounts and terms vary widely. The bank may require personal collateral or a personal may provide from the owner. Interest rates depend on the business's creditworthiness and the loan's purpose.
Frequently Asked Questions
What is the difference between APR and interest rate?
Interest rate is the percentage of the loan balance charged as interest per year. APR includes the interest rate plus fees, giving you a more complete picture of the true cost. When comparing loans, use APR, not just the interest rate, because it accounts for differences in how banks structure fees.
Can I get a bank loan with bad credit?
Yes, but you will pay higher interest rates and may need collateral or a co-signer. Secured loans (backed by collateral) are easier to get with poor credit because the bank's risk is lower. Credit unions sometimes offer better rates than banks for borrowers with lower credit scores. Building credit takes time, but each on-time payment improves your score.
What does it mean if a loan is pre-approved?
Pre-approval means the bank has reviewed your financial information and is willing to lend you up to a certain amount at a certain rate, pending final verification. It is not a may provide—the bank can still deny the loan if your financial situation changes or if the final verification reveals problems. Pre-approval is useful because it shows sellers or dealers you are a serious buyer.
Should I pay off a loan early?
Paying early saves you interest if there is no prepayment penalty. However, if you have high-interest debt (like credit card debt), paying that off first usually makes more financial sense. If you have extra money and your loan rate is low (below 4%), investing the money might earn more than you save in interest. Run the numbers for your specific situation.
What is a co-signer and why would I need one?
A co-signer is someone who signs the loan agreement and promises to repay if you do not. Banks require co-signers when the borrower's credit or income is weak. The co-signer's credit is checked, and the loan appears on both credit reports. If you default, the bank pursues the co-signer for payment, which can damage their credit and strain your relationship.