What Is a Line of Credit (LOC)?
A line of credit is a revolving borrowing arrangement that lets you access funds up to a pre-approved limit, repay what you use, and borrow again. Unlike a term loan, which delivers a lump sum, a LOC works like a financial cushion you can draw from as needed. You only pay interest on the amount you actually use, not the full limit. This makes a line of credit especially useful for managing cash flow, covering unexpected expenses, or financing projects where the total cost is uncertain.
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How a Line of Credit Works
Once approved, a lender sets a credit limit, a draw period, and a repayment schedule. During the draw period, you can borrow, repay, and re-borrow repeatedly. Payments typically cover accrued interest plus a portion of the principal or the minimum interest due. When the draw period ends, the account enters repayment mode, and you can no longer access new funds. Key details to understand before signing include the annual percentage rate, whether the rate is fixed or variable, any annual fees, and penalties for late payments or early repayment.
Revolving vs. Non-Revolving Lines of Credit
A revolving LOC replenishes as you repay, so your available credit stays current throughout the draw period. Credit cards and personal lines of credit are common examples. A non-revolving LOC closes once the balance is fully repaid and does not reopen; some business LOCs and student credit lines operate this way. Both types charge interest only on the outstanding balance, but the access to future funds differs significantly.
Secured vs. Unsecured Lines of Credit
Secured LOCs require collateral, such as a home equity line of credit (HELOC) backed by your property or a business LOC secured by inventory. Collateral typically lowers the interest rate and may increase the borrowing limit. Unsecured LOCs do not require collateral, but lenders compensate for the added risk with higher rates and stricter qualification standards.
Common Types of Lines of Credit
- Personal Line of Credit: Unsecured, revolving, and often used for debt consolidation or emergency expenses.
- Home Equity Line of Credit (HELOC): Secured by home equity, usually with lower rates and higher limits than personal LOCs.
- Business Line of Credit: Designed to cover operational gaps, inventory purchases, or payroll fluctuations.
- Demand Line of Credit: The lender can call the balance due at any time; less common for consumers, used in some business arrangements.
LOC vs. Term Loan vs. Credit Card
A term loan provides a fixed lump sum with a set repayment schedule and a fixed rate, making it better for one-time, known expenses. A credit card is a consumer revolving LOC with high rates, rewards, and a smaller credit footprint. A line of credit sits between the two: higher limits than most cards, more flexibility than a term loan, and generally lower rates than credit cards if you have strong credit. The right choice depends on whether you need a single lump sum, ongoing access, or short-term convenience.
| Feature | Line of Credit | Term Loan | Credit Card |
|---|---|---|---|
| Funding Structure | Revolving draw | Lump sum | Revolving draw |
| Interest Rate | Variable or fixed | Usually fixed | Usually variable |
| Collateral | Secured or unsecured | Sometimes secured | Unsecured |
| Best For | Ongoing or uncertain needs | One-time known expense | Everyday purchases |
Qualification and Interest Rates
Lenders evaluate your credit score, income, employment or business history, and existing debt when setting your limit and rate. A strong credit profile typically unlocks lower variable rates, while secured LOCs like a HELOC may offer the lowest rates because of the collateral backing. Business LOCs also consider cash flow, revenue, and time in business. Rates on lines of credit are usually lower than credit card rates but higher than mortgage rates, and they may fluctuate with the prime rate if the LOC carries a variable APR.
When a Line of Credit Makes Sense
A LOC is a practical tool when the total amount you need is unknown or when expenses arrive over time. Common use cases include home renovation projects where costs shift as work progresses, smoothing seasonal cash flow for a small business, covering emergency medical bills, or consolidating higher-interest debt. It is less suitable when you need a fixed amount for a defined purchase and can commit to a predictable repayment plan — in those cases, a term loan often costs less over time.