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TOOLS · trade-finance

Factoring Cost Calculator

Invoice + advance rate + fees → effective APR and net cash received.

What this tool does

This calculator converts the quoted fees and discount rates on a factoring arrangement into an effective annual percentage rate (APR). Factoring providers typically quote costs as a combination of a per-period discount margin, a one-time service fee, and an advance rate, which makes direct comparison with bank lines or alternative financing difficult. By annualizing all components, you get a single number to benchmark against other funding sources.

The tool accepts the parameters of a single invoice or a representative invoice from a portfolio and outputs the true all-in cost expressed as an APR. This lets you compare a 2% monthly discount rate on a 45-day invoice against, say, a 90-day invoice at 1.5% per month, or against a revolving credit facility quoting a 9% annual rate plus fees.

Who should use it

AR managers evaluating factoring proposals, treasury leads comparing working-capital options, and CFOs building cost-of-capital models will find this useful. It is also helpful when negotiating with factors: knowing your effective APR strengthens your position when a provider quotes "only 1.8% per 30 days" without context.

Inputs

  • Invoice value (USD): The gross face value of the receivable being factored. Enter the full amount before any deductions.
  • Advance rate (%): The percentage of invoice value the factor disburses upfront, typically 70% to 95%. The remainder is held in reserve until the buyer pays.
  • Discount margin (% per period): The periodic fee the factor charges on the advanced amount. Confirm whether your provider quotes per 30 days, per invoice term, or another basis.
  • Period basis (days): The number of days the discount margin applies to, commonly 30 or the invoice term itself.
  • Service fee (%): A flat administrative or due-diligence fee, usually 0.25% to 1.5% of invoice value, charged once per transaction or per month.
  • Invoice term (days): The number of days until the buyer's payment is due, measured from invoice date.

Assumptions

The calculator assumes the buyer pays on the exact due date. Early payment would reduce your effective cost; late payment would increase it if the factor charges additional fees or extends the discount period. If your factor charges a separate late-payment penalty or re-factors the invoice, those costs are not captured here.

The model treats the service fee as a one-time charge applied at the start of the transaction. Some factors amortize service fees monthly across a portfolio; if that applies to you, adjust the input to reflect the portion attributable to the invoice or period you are analyzing. The tool also assumes a 360-day year for annualization, which is standard in trade-finance contexts.

Limitations

This calculator does not account for ancillary costs such as credit-insurance premiums, legal fees for assignment documentation, or currency-conversion charges on cross-border invoices. It also does not model portfolio-level dynamics: if you factor a rolling pool of invoices with varying terms and dilution rates, the blended APR will differ from a single-invoice estimate.

For recourse factoring, the quoted discount margin is often lower, but you retain credit risk on buyer default. For non-recourse factoring, the factor absorbs that risk, which is priced into a higher margin or service fee. This tool does not quantify the risk-transfer value of non-recourse arrangements; you must weigh that qualitatively alongside the APR output.

How results are calculated

The effective cost in dollar terms equals the discount margin multiplied by the advance amount, scaled to the invoice term, plus the service fee applied to the full invoice value. In formula terms: Total Cost = (Advance Rate × Invoice Value × Discount Margin × Invoice Term / Period Basis) + (Service Fee × Invoice Value).

The net proceeds you receive upfront equal the advance amount minus the discount and service fees deducted at funding. The effective APR then annualizes the ratio of total cost to net proceeds over the holding period: APR = (Total Cost / Net Proceeds) × (360 / Invoice Term) × 100.

This approach treats the factoring transaction as a short-term loan where the "interest" is the sum of discount and service charges, and the "principal" is the cash you actually receive. The result is directly comparable to an annual interest rate on a credit facility.

Sources and data freshness

Last data refresh: 2026-05-05.

Disclaimer

This calculator provides indicative estimates for educational and planning purposes. Actual costs depend on your specific contract terms, buyer credit quality, and factor policies. Before committing to a factoring arrangement, review the full agreement with your finance team or legal counsel and confirm all fee components with the provider.