A revolving line of credit is a flexible borrowing arrangement that lets a business draw funds up to an approved limit, repay what it uses, and then borrow again — without reapplying each time. Unlike a term loan that delivers a single lump sum with a fixed payoff schedule, a revolving line "revolves": as you pay down the balance, that credit becomes available to use again. You pay interest only on the amount you have actually drawn, not on the full limit. That structure makes it well suited to recurring, short-term needs — covering payroll during a slow month, buying inventory ahead of a busy season, or bridging the gap between invoicing a customer and getting paid.
Key takeaways
- A revolving line lets you draw, repay, and re-borrow up to a set limit without reapplying each time.
- Interest is charged only on the amount drawn, not on the full credit limit.
- As principal is repaid, available credit refills to the limit — the defining feature of a revolving facility.
- Lines can be secured (backed by collateral like receivables or inventory) or unsecured (usually with a personal guarantee).
- Funding amounts commonly start around $10,000 and scale with revenue and credit strength.
- Some financing options consider a personal FICO of 500 or higher, with approvals often in 24 to 48 hours; no lender can guarantee approval.
- Best suited to recurring, seasonal, or unpredictable cash-flow needs rather than a single large one-time purchase.
How a Revolving Line of Credit Works
A lender approves a maximum credit limit — say, $50,000. That limit is your ceiling, not a balance you owe. You take a draw when you move money from the line into your bank account, and you owe interest only on the outstanding balance. As you repay principal, your available credit refills to the full limit, ready to use again. This draw-repay-redraw cycle can continue for as long as the line stays open and in good standing.
Most revolving lines have three moving parts:
- Credit limit — the most you can have outstanding at any one time.
- Draw period — the window during which you can pull funds. Some lines are open-ended and renew annually; others convert to a repayment-only phase after a set term.
- Minimum payment — usually interest plus a small share of principal, billed monthly or weekly depending on the lender.
Here is a simplified example of how a balance revolves over a few months on a $50,000 line (figures rounded, for example only):
| Month | Action | Outstanding balance | Available credit |
|---|---|---|---|
| 1 | Draw $20,000 for inventory | $20,000 | $30,000 |
| 2 | Repay $10,000 | $10,000 | $40,000 |
| 3 | Draw $15,000 for payroll | $25,000 | $25,000 |
| 4 | Repay $25,000 in full | $0 | $50,000 |
Notice that in Month 4 the full limit is available again — the defining feature of a revolving facility.
Revolving Line of Credit vs. Term Loan
The two products solve different problems. A term loan is built for a one-time, defined expense — buying equipment, funding a build-out, consolidating debt — where you know the exact amount up front and want a predictable payoff. A revolving line is built for recurring or unpredictable needs, where the amount and timing vary and you value the ability to reuse the credit.
| Feature | Revolving line of credit | Term loan |
|---|---|---|
| Disbursement | Draw as needed, up to a limit | Single lump sum at closing |
| Interest charged on | Only the amount drawn | The full loan amount |
| Reusability | Repaid credit becomes available again | One-time; reapply for more |
| Best for | Cash-flow gaps, inventory, payroll, seasonality | Equipment, expansion, one-time projects |
| Repayment | Flexible; varies with balance | Fixed schedule to a set end date |
Many established businesses keep a revolving line open as a standing safety net and use term loans separately for large, planned purchases.
Apply with Merchant Fund Express in 60 seconds. Decisions in 2–4 hours.
Secured vs. Unsecured Revolving Lines
Revolving lines come in secured and unsecured forms. A secured line is backed by collateral — accounts receivable, inventory, equipment, or a cash deposit. Because the lender has an asset to recover against, secured lines often carry higher limits and lower rates, but they put the pledged asset at risk if the business defaults. An unsecured line requires no specific collateral and can fund faster, though it typically comes with a lower limit, a higher rate, and often a personal guarantee from the owner.
A personal guarantee is not the same as collateral: it makes the owner personally responsible for repayment but does not tie a specific asset to the loan. Most small-business revolving lines, secured or not, require one. Blanket liens (a UCC-1 filing over general business assets) are also common even on lines marketed as unsecured, so it is worth reading how the security interest is described.
How Costs and Fees Add Up
The headline number on a revolving line is the interest rate, but the true cost depends on how you use the line and what fees apply. Because you pay interest only on drawn funds, a line you rarely tap can be inexpensive to keep open — but idle lines sometimes carry their own charges.
Common cost components include:
- Interest — charged on the outstanding balance, often at a variable rate tied to a benchmark such as the prime rate plus a margin.
- Draw fee — a small flat or percentage charge some lenders apply each time you pull funds.
- Maintenance or annual fee — a flat charge to keep the line open.
- Unused-line fee — a small percentage on the portion of the limit you are not using, more common on larger bank lines.
Illustrative cost of carrying a $20,000 balance for one month at different rates (interest only, rounded, for example only):
| Annual rate | Approx. monthly interest on $20,000 |
|---|---|
| 12% | $200 |
| 18% | $300 |
| 24% | $400 |
| 36% | $600 |
Always compare offers on total cost — interest plus fees over the period you expect to carry a balance — rather than on the advertised rate alone. Where a lender quotes an APR, that figure folds fees into a single annualized number and makes comparison easier.
Qualifying and Applying
Lenders evaluate a revolving-line application on the health of the business and the creditworthiness of its owner. The typical inputs are:
- Time in business — many lenders look for at least six months to two years of operating history.
- Revenue — consistent monthly deposits that show the business can service a balance.
- Credit profile — both business and personal credit; some financing options accept a personal FICO of 500 or higher, while bank lines expect stronger scores.
- Documentation — recent bank statements, and depending on the lender, tax returns or financial statements.
Funding amounts commonly start around $10,000 and scale up with revenue and credit strength. Online and marketplace lenders can move quickly — approvals in roughly 24 to 48 hours are realistic once documents are in — while traditional bank lines take longer but tend to offer larger limits and lower rates. No legitimate lender can guarantee approval; the terms you receive depend on your business's numbers and credit.
When a Revolving Line Is the Right Tool
A revolving line earns its keep when your funding need is recurring, variable, or hard to predict. Strong use cases include:
- Seasonal inventory — draw before peak season, repay as sales come in, then draw again next cycle.
- Bridging receivables — cover operating costs while waiting on 30-, 60-, or 90-day customer invoices.
- Payroll smoothing — cover wages during a slow stretch without missing a cycle.
- Unplanned expenses — a repair, a rush order, or an opportunity that needs fast cash.
It is a weaker fit for a single large, one-time purchase with a known price — a term loan usually costs less for that. It also should not become a permanent substitute for working capital: carrying a high balance month after month signals a structural cash-flow gap that financing alone will not fix. Used as intended — drawn when needed and paid down promptly — a revolving line is one of the most flexible tools in small-business finance.
Frequently asked questions
What is a revolving line of credit in simple terms?
It is a pre-approved pool of funds a business can borrow from repeatedly up to a set limit. You draw what you need, pay interest only on that amount, and as you repay, the credit becomes available to use again — similar in mechanics to a business credit card but usually with a higher limit and direct access to cash.
Do I pay interest on the whole credit limit?
No. You pay interest only on the balance you have actually drawn. If you have a $50,000 limit but have drawn $10,000, interest accrues on the $10,000. Some lenders add a separate small fee on the unused portion, but that is not interest on the full limit.
How is a revolving line different from a term loan?
A term loan gives you one lump sum with a fixed repayment schedule and a set end date, and it does not replenish. A revolving line lets you draw, repay, and redraw up to a limit, with payments that flex based on your balance. Term loans suit one-time purchases; revolving lines suit recurring or unpredictable needs.
What credit score do I need to qualify?
It varies by lender. Bank lines typically expect stronger personal and business credit, while some financing options consider applicants with a personal FICO of 500 or higher, weighing revenue and time in business alongside the score. No lender can guarantee approval; terms depend on your overall profile.
How fast can I get a revolving line of credit?
Timing depends on the lender. Online and marketplace lenders can often issue an approval in about 24 to 48 hours once bank statements and basic documents are submitted, with access to funds shortly after. Traditional bank lines take longer to underwrite but may offer larger limits and lower rates.
What can a business use a revolving line of credit for?
Common uses include buying seasonal inventory, bridging the gap between invoicing customers and getting paid, smoothing payroll during slow periods, and covering unplanned expenses or short-term opportunities. It is best matched to recurring or variable needs rather than a single large, one-time purchase.
