Business Line of Credit Interest Rates This Quarter: A Real Cost Breakdown

Draw $25,000 against a $50,000 business line of credit at 25% APR and you’ll owe roughly $521 in interest that month, not $1,042 on the full limit. That single fact, that interest is charged only on what you actually pull, is the part most rate quotes leave out, and it’s the difference between a line of credit that’s cheap and one that’s expensive, using the exact same headline APR. Below is the actual arithmetic: what different draw levels cost per month and per year, what the fees add on top, and how the total stacks up against a term loan’s fixed cost on the same amount.

Why the APR alone doesn’t tell you the cost

A line of credit’s advertised rate is only half the number you need. The other half is your utilization, how much of the limit you’re actually carrying a balance on at any given time. Bankrate’s business line of credit rate tracker puts median rates for well-qualified bank borrowers around 6.99% to 7.91% APR, while United Capital Source’s August 2026 rate roundup puts the broader market at roughly 8% to 14% APR at banks, 12% to 22% at online lenders, and 10% to 13% on SBA CAPLines. A wide APR range matters less than most people think, because two businesses at the same 20% APR can end the year with wildly different bills depending on how much of the line they actually draw and how long they carry it.

The dollar math: a $50,000 line at three draw levels

Here’s what a $50,000 limit actually costs per month and per year, at three APR points spanning the market (a strong bank-tier rate, a mid-market online rate, and a rate near the top of a riskier-file band) and three utilization levels.

Utilization	Amount drawn	Monthly interest at 15% APR	Monthly interest at 25% APR	Monthly interest at 35% APR
25% drawn	$12,500	$156 ($1,875/yr)	$260 ($3,125/yr)	$365 ($4,375/yr)
50% drawn	$25,000	$313 ($3,750/yr)	$521 ($6,250/yr)	$729 ($8,750/yr)
100% drawn	$50,000	$625 ($7,500/yr)	$1,042 ($12,500/yr)	$1,458 ($17,500/yr)

The math is simple daily-accrual interest: amount drawn times APR, divided by 12 for a monthly figure. The point the table makes plainly is that a fully-drawn line at 15% APR costs more per month than a half-drawn line at 35% APR ($625 versus $521). Rate matters, but how much of the limit you’re actually carrying matters just as much, and it’s the variable most rate-shopping conversations skip entirely.

The fees that change the real number

The APR is rarely the whole cost. Lendio’s breakdown of business line of credit fees lists three categories worth pricing out before you sign:

• Origination fee, typically 1% to 3% of the total credit limit, charged once when the line opens. On a $50,000 limit, that’s $500 to $1,500 before you’ve drawn a dollar.
• Draw fee, where a lender charges one, typically 1% to 3% of each individual draw. On a $12,500 draw, a 2% draw fee adds roughly $250 on top of that month’s interest.
• Maintenance or annual fee, usually $10 to $50 a month or $100 to $300 a year, charged whether or not you’re actively using the line, plus some lenders add a smaller monthly charge (often 0.1% to 0.5%) on the unused portion of the limit.

None of these show up in a headline APR. A line quoted at 15% APR with a 3% origination fee and a $25/month maintenance fee is meaningfully more expensive in year one than the table above suggests, particularly if you draw lightly. Ask for the full fee schedule, not just the rate, before comparing two offers.

How this compares to a term loan’s fixed cost

A term loan prices differently because it doesn’t have a draw variable, you get the full amount on day one and interest accrues against the declining balance from that point forward, whether or not you’ve spent it yet. That’s the tradeoff: a term loan’s rate is often lower on paper, typically 8% to 35% APR depending on creditworthiness for the broader online and alternative lending market, plus an origination fee commonly running 2% to 5% of the loan amount, but you pay interest on the whole balance regardless of how quickly you actually use it.

Run the comparison on the same $50,000. A term loan at 20% APR amortized evenly over 24 months carries an average outstanding balance near $25,000 across the term, roughly $10,000 in total interest, plus a 3% origination fee of $1,500 up front. A line of credit at the same 20% APR drawn at 50% utilization for the same two years costs about $10,000 in interest too, but only if you actually keep half the line drawn the whole time. Draw less, or pay it down faster, and the line comes out cheaper. Need the full amount immediately for two years straight, and the two products land close enough that a term loan’s fixed payment may be the simpler call. Utilization, not the sticker rate, decides which one wins, a question our term loan vs. line of credit comparison walks through in more detail.

Where Closer Capital’s line of credit fits in this math

Closer Capital’s business line of credit runs 12% to 45% APR on limits from $25,000 to $500,000, with 6 to 24 month terms and approval in 24 to 72 hours. Plug those numbers into the table above and a business drawing $25,000 of a $50,000 Closer Capital line at the low end of that band, 12% APR, would pay about $250 a month in interest; at the high end, 45% APR, that same draw runs closer to $938 a month. That spread exists because Closer Capital prices by risk profile rather than a single flat rate, the same way every lender in the ranges cited above does.

Eligibility to check where your file lands is 600+ credit, 1+ year in business, and $100,000+ in annual revenue as a baseline (the line of credit program itself is a little more forgiving, starting at 6+ months in business and $10,000+ in monthly revenue). Pre-qualification runs with no credit pull, so you can see your actual rate and limit before committing to anything. Apply here to see what you qualify for. Closer Capital was founded by Ryan Stewman, who has 19 years in finance, processed over 700 applications in 2024, and approved $1 million in funding in a single day. It carries a 5.0 rating across 7 verified public reviews.

FAQs

How is interest actually calculated on a business line of credit?

Interest accrues daily on the amount you’ve drawn, not on your total credit limit. The standard formula is amount drawn times APR, divided by 365, applied each day, then totaled for your billing period. A $50,000 limit with only $10,000 drawn accrues interest as if you’d taken a $10,000 loan, not a $50,000 one.

What’s a realistic monthly cost on a $50,000 line of credit?

It depends entirely on how much you draw and at what rate. At a 20% APR with half the line drawn ($25,000), expect roughly $417 a month in interest alone. At full utilization and a higher rate near 35% to 45% APR, that same $50,000 limit can run $1,450 to $1,875 a month before fees.

Do fees really add that much to the total cost?

They can. An origination fee of 1% to 3% of the limit is a one-time hit of $500 to $1,500 on a $50,000 line, and ongoing maintenance fees of $10 to $50 a month add up over a multi-year relationship with the same lender. Always ask for the full fee schedule before comparing two offers on rate alone.

Is a line of credit cheaper than a term loan?

Usually, if you don’t draw the full amount and keep utilization moderate. A term loan accrues interest on the full balance from day one, while a line of credit only charges you for what you actually pull. Draw the full limit and hold it for the whole term, though, and the cost gap narrows or can even flip in the term loan’s favor if its rate is meaningfully lower.

Why does Closer Capital’s line of credit APR range so widely, 12% to 45%?

Because it’s priced by individual risk profile, credit score, time in business, revenue, rather than a single flat number. Pre-qualification with no credit pull is the only way to know where your specific file lands inside that range before you commit to anything.

Run the numbers on your own draw amount before you sign anything, since the same APR can mean very different bills depending on utilization. Apply Now to pre-qualify with no credit pull and see your actual rate and limit.

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