Working Capital Loan vs Business Line of Credit
Working capital is a fixed lump sum; a line of credit is a reusable pool. One is a decision, the other is a facility.
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- Working capital is a fixed lump sum you take once and repay on a schedule; a line of credit is a reusable pool you draw against as needed.
- You pay interest on the full amount with a working capital loan, but only on what you draw with a line.
- Use working capital for a defined, one-time gap; use a line when needs repeat and you want standby capital.
- A line can sit unused for months at no cost - working capital starts costing you the moment it funds.

Working Capital Loan vs Business Line of Credit at a glance
| Working Capital Loan | Business Line of Credit | |
|---|---|---|
| Structure | Fixed lump sum | Revolving limit |
| Interest on | Full amount | Only what you draw |
| Payments | Fixed schedule | Flexible, on balance used |
| Best for | A known, one-time gap | Recurring and variable needs |
| Draw again? | No - repay and it is done | Yes - reuse up to your limit |
Choose Working Capital Loan if…
- A specific, known amount for a specific purpose
- You want a fixed payoff
- Covering one seasonal dip or opportunity
Choose Business Line of Credit if…
- Needs that repeat month to month
- Wanting standby capital
- Managing uneven cash flow
The structural difference that drives everything
A working capital loan is a lump sum. You borrow an amount, you receive it all, and you repay it on a fixed schedule until it is done. A line of credit is a limit - a ceiling you can draw against, repay, and draw against again, for as long as the facility is open.
Nearly every other difference flows from that. Because a working capital loan commits the full principal, you pay interest on the whole thing even when it is sitting in your account. Because a line only charges you on the outstanding balance, capital you have not drawn is free.
So the first question is not which has the lower rate - it is what shape your need has. One and done, or recurring?
What each costs you in real terms
Consider a business that needs $50,000 in March for a seasonal inventory build, repays by June, then needs $50,000 again in October. With a working capital loan, it takes two loans, two applications, and pays interest on the full amount each time. With a line, it draws, repays, and draws again from one facility - paying interest only on what is outstanding.
For a genuinely one-time need, though, the working capital loan often wins on simplicity and sometimes on rate, because a defined, short payback is easier for a lender to price. The line's advantage only materialises when you use it more than once or hold capital you are not yet spending.
Watch the fees both ways - origination, draw, and maintenance fees can flip the math on a lightly used line.
Choosing by the shape of your cash flow
If you can point at a specific, dated need - a build-out, a deposit, a piece of equipment, a one-season purchase - working capital gives you a clean payoff and a payment that ends. There is a discipline to that: the obligation has a finish line.
If your needs are a pattern rather than an event - payroll that dips, invoices that arrive late, opportunities that appear unpredictably - a line fits better and is usually cheaper in total. The danger with a line is that it can feel like a permanent cushion; used that way it quietly becomes expensive debt.
A practical way to decide
Ask two questions. Will I need this money more than once in the next twelve months? And do I know, today, exactly what it is for? Two yeses with a defined purpose points to working capital; a no on either points to a line.
Many businesses do not have to choose. Holding a line for fluid needs and using a term or working capital loan for discrete projects is a healthy structure - just make sure the line stays a tool you repay and reset, not a crutch you lean on indefinitely.

The verdict
Pick working capital for a one-time need with a clear payoff. Pick a line of credit when the need keeps coming back and you want to pay only for what you use.
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