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Business line-of-credit cost estimator

Lines of credit price by channel and charge on the balance you draw, not the limit you hold. Pick the kind of lender, set a limit and how much of it you draw, and watch an all-in APR become real numbers: the cost on the drawn balance, the fee add-ons, and the effective annualized cost. Nothing you enter is collected.

Line-of-credit cost · educationalEducational market data. Not Trident pricing, not a quote, and not an offer.
Line channel

Channel sets the price more than credit score does. A bank line and an online line are different markets that price years apart, so the ranges never blend across channels.

Across the market, bank or SBA lines are advertised up to about $500,000, but the typical approved limit runs $16,000 for newer businesses to $73,000 for established ones, and the typical drawn balance is about $22,565. Industry data for context, not a suggested limit and not Trident pricing.

You are drawing 43% of the line, and cost accrues on what you draw, not the full limit. Across the market, businesses draw about 42% of a line on average, with fixed-rate lines nearer 53% and variable-rate lines nearer 37%. Industry data, not Trident pricing.

The market range for a bank or SBA line of credit runs 7.0% to 16.5% APR, centered near 8.5% (public market data, Jul 2026). Not Trident pricing.

Credit limit$75,000
Drawn balance 43% of the limit. Cost accrues on this, not the limit.$32,000
All-in APR8.5%
Cost on the drawn balance Illustrative 12-month full-draw carry: the whole drawn balance held for a year. A revolving line costs less when a draw is outstanding for less time.$2,720
Annual fee (add-on) Market-typical bank annual fee, not Trident pricing. Bank lines charge a flat annual fee and no draw fee.$95 to $200 / yr
Effective annualized cost A flat annual fee spread over the drawn balance lifts the effective cost above the headline APR, and lifts it most on a lightly-used line.8.8% to 9.1%
How this is estimated A line of credit revolves: you draw, repay, and redraw. There is no fixed monthly payment to amortize, so this tool shows the cost carried on the drawn balance, not a payment schedule. Figures are approximate; the signed agreement governs.Revolving line
Market context · industry data, Jul 2026*

The 8.5% APR sits right at the market center for a bank or SBA line of credit.

* Market data sources
  1. OnDeck (Enova) transparency disclosure: average line-of-credit APR 56.6% on loans originated in the half-year ending June 30, 2025; no annual, monthly, or draw fees, with cost charged on the drawn balance.
  2. Enova International Form 10-K (SEC EDGAR): average annualized yield on its small-business line-of-credit accounts 47% (FY2024) and 49% (FY2025), loan sizes $5,000 to $200,000.
  3. KBRA-rated OnDeck ODAST 2023-1 collateral pool: weighted-average yield 44.4% on a 723 weighted-average FICO revolving pool of term and line-of-credit loans.
  4. Federal Reserve Bank of Kansas City Small Business Lending Survey: median new line-of-credit pricing near 7% and median credit-line usage about 40% (fixed lines higher, variable lines lower), Q3 to Q4 2025.
  5. SBA CAPLines and 13 CFR 120.214: revolving-line spreads over prime that place the SBA sub-band near 9.75% to 13.25% at a 6.75% prime rate.
  6. Wells Fargo BusinessLine and peer bank pages: advertised bank lines from Prime plus 1.75% to Prime plus 9.75%, with a flat annual fee of about $95 to $200 and no draw fee; fintech draw fees of about 2% to 3% per draw.

Educational market data with full citations on file in substantiation/loc-pricing-2026-07.md. Not Trident partner pricing, and not a quote.

Actual limits, pricing, and fees are set by independent funding partners and depend on your credit, revenue, time in business, and lender channel. Your line will differ. The ranges shown are industry market data from published sources as of Jul 2026, not Trident pricing. Partner fees, if any, are itemized on the offer itself: ask for all of them in writing.

A line of credit revolves, so cost follows the drawn balance and how long each draw stays out. See the full explainer

How the math works

Reading a line of credit.

A short read on what the estimate is doing, and where the real numbers still come from.

Channel sets the price

The biggest driver of what a line of credit costs is the lender channel, not your credit score. A bank or SBA-adjacent line and an online or fintech line are two different markets that price years apart on the same borrower, roughly a bank center near single digits against an online center in the mid-fifties. Pick the channel first, then read its range. Industry figures, not a Trident quote.

Dominant axis

You pay on what you draw

A line of credit revolves. It charges the all-in APR on the balance you have actually drawn, not on the full committed limit, so a large limit you barely touch costs little. That is the core difference from a term loan, which charges the whole amount from day one. This tool shows the cost carried on the drawn balance, never a single monthly payment, because a line does not amortize.

How the math works

A flat fee makes a light line cost more

The headline APR is not the whole cost. A bank line adds a flat annual fee and an online line adds a fee on every draw, and both fold back onto the drawn balance. Spread over a lightly-used line, a flat annual fee lifts the effective annualized cost well above the headline, and a per-draw fee re-incurs each time you draw. The effective-cost line makes that visible.

Read the fine print

What this tool does not do

It does not predict approval or partner pricing, and it does not model every fee a partner may charge or how long each draw stays outstanding. It treats the APR as the cost on the drawn balance for a clean illustration, so the terms on any signed agreement govern. Confirm every final number on the contract.

Educational only
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