Business Loan Calculator
Price a commercial term loan including origination fees, and test whether operating income actually covers the debt service a lender will require.
Business Loan Calculator
Results recalculate instantly on every keystroke. Nothing you type is transmitted.
What this result does not account for
- Results are a model, not a quotation — an institution's own figures govern.
- Every input is an assumption; change one and the answer changes with it.
- Rounding is applied only at the display layer, so totals may differ by a cent from a statement that rounds each line.
In short: Business lenders test coverage, not just affordability. A $250,000 loan at 9.25% over seven years costs $4,054.06 a month, and a 3% origination fee lifts the true APR to 10.225% — requiring $60,810.91 of operating income to meet a 1.25 coverage ratio.
Formula
Lenders underwrite to coverage. A ratio below the required threshold fails regardless of how comfortable the payment looks in isolation.
Worked Example
- Price the payment. $250,000 at 9.25% over 84 months = $4,054.06.
- Deduct the fee. 3% is $7,500.00, so net proceeds are $242,500.00.
- Solve the APR. Against the net advance the true rate is 10.225%.
- Annualise the service. $4,054.06 × 12 = $48,648.73.
- Test coverage. $95,000 ÷ $48,648.73 = 1.95×, comfortably above the 1.25 requirement.
Analyst note. Coverage of 1.95× is strong; most lenders want at least 1.25×, which here means $60,810.91 of operating income. Note the term effect on coverage: stretching to ten years at the same rate cuts the payment to $3,200.82 and lifts coverage to 2.47×, which is precisely why SBA-backed structures with longer amortisation approve deals that conventional term loans decline.
Strengths & Limits Of This Model
Where this engine is strong
- Runs entirely in your browser — no figure you type is transmitted or stored.
- Shows the full working, so every number can be traced and challenged.
- Free, unmetered and free of affiliate incentives.
Where it stops
- Generalised assumptions cannot capture every individual circumstance.
- Jurisdiction-specific rules and mid-year changes may not be reflected.
- A model output is not a substitute for a professional review of your position.
Practical Use Cases
Testing a deal before approaching a lender
Coverage is the first thing an underwriter calculates. Knowing your ratio in advance tells you whether the request is realistic. Compare SBA terms with the SBA Loan Calculator.
Comparing offers with different fee structures
A 9.25% rate with 3% origination costs more than a 10% rate with none. Only the APR output settles it, as it does on the Mortgage APR Calculator.
Sizing a facility the business can actually service
Work backwards from the coverage requirement rather than forwards from what you want to borrow. The required-income output makes that constraint explicit, and the Commercial Loan Calculator handles property-secured cases.
Methodology & Editorial Standards
The payment amortises the full loan amount, since interest accrues on the amount borrowed rather than the amount received. The origination fee is deducted from proceeds, which is standard for term loans, and APR is solved by bisection as the rate equating the net advance to the actual payment. The debt service coverage ratio divides annual operating income by annual debt service; lenders typically require 1.20 to 1.35, with 1.25 the most common threshold. Operating income should be entered as earnings before interest, tax, depreciation and amortisation, adjusted for owner compensation where the lender permits an add-back. Existing debt service on other facilities is not included and must be added to the denominator for a global coverage test. Personal guarantees, covenants and collateral requirements are outside the calculation. The engine implements the standard published formula for this calculation. Inputs are validated for domain and sign before evaluation, and any undefined case returns an em-dash rather than a spurious value.
Computation runs in IEEE-754 double precision at full internal precision; rounding to two decimal places occurs strictly at the display layer, so no cumulative drift enters the result. All monetary outputs use accounting presentation — grouped thousands, two decimals, negatives in parentheses — so figures can be transcribed directly into a model or working paper. Division-by-zero and out-of-domain inputs return an em-dash rather than a misleading number.
This engine was reconciled against an independent reference implementation and hand-verified for the worked example above before release. Our full five-stage review process is published on the About Us page.
Disclaimer. This calculator is provided for informational and modelling purposes only and does not constitute financial, tax, legal, medical, or engineering advice. Verify all figures with a qualified professional before acting on them.
Business Loan Calculator — 20 Expert FAQs
20 analyst-written answers to the questions practitioners actually ask — optimised for voice and answer-engine retrieval.
What is a debt service coverage ratio?
Annual operating income divided by annual debt service. At $95,000 against $48,648.73 the ratio is 1.95×, comfortably above the 1.25× most lenders require.
What DSCR do lenders require?
Typically 1.20 to 1.35, with 1.25 the most common. Below that, the business has too little margin to absorb a downturn and the request is usually declined regardless of collateral.
Why is the APR higher than the rate?
Because the 3% origination fee is deducted from proceeds. You repay on $250,000 but receive $242,500.00, lifting the effective cost from 9.25% to 10.225%.
How much operating income do I need?
$60,810.91 to meet a 1.25 ratio on this facility. Working backwards from the coverage requirement is the correct way to size a loan request.
What counts as operating income?
Generally EBITDA — earnings before interest, tax, depreciation and amortisation. Many lenders permit adding back owner compensation above a market salary, which can materially improve the ratio.
Does existing debt count against coverage?
Yes. Lenders run a global coverage test including all facilities. Add existing annual debt service to the denominator for a realistic picture before applying.
Are business loan rates higher than mortgage rates?
Usually by two to four points, reflecting the absence of hard collateral and the higher failure rate of businesses relative to households.
Should I choose a longer term?
A longer term improves coverage and cash flow at the cost of more total interest. Where coverage is the binding constraint, extending the term is often what makes a deal approvable.
What is an SBA loan and is it cheaper?
A government-guaranteed loan with longer amortisation and lower deposits. Rates are competitive and terms are longer, which lifts coverage — often the difference between approval and decline.
Will I need a personal guarantee?
Almost always for a small business, and frequently a lien on personal assets. The corporate structure does not shield you from the guarantee, which is worth understanding before signing.
Can I deduct business loan interest?
Interest is generally deductible as a business expense, subject to limitation rules for larger entities. Principal repayment is not deductible, only the interest portion.
What if my coverage ratio fails?
Reduce the amount, extend the term, improve documented income, or add collateral. Extending the term is usually the fastest lever, since it directly lowers annual debt service.
Is this business loan calculator free to use?
Yes. It is free, requires no account, and has no usage limits. ApexConverter is funded by contextual advertising, never by selling user data.
Is my data sent to a server?
No. The engine runs as Vanilla JavaScript inside your browser under our Zero-Server Client-Side Execution model. Your figures are computed locally and are never transmitted, logged, or stored.
How accurate is this calculator?
It applies the standard closed-form formula in IEEE-754 double precision, rounding only at the display layer. The engine is reconciled against an independent reference implementation before release.
Does it work on mobile?
Yes. The interface is mobile-first with numeric keypad hints and is tested down to a 320-pixel viewport with no horizontal scrolling.
Can I use it offline?
Largely, yes. Because computation is client-side, the page continues to calculate without a network connection once it has loaded.
Which currency does it use?
Amounts display in US$ accounting format, but the underlying mathematics is currency-agnostic. The result is identical in any currency, so simply read the figures in your own.
Why does a result show an em-dash?
An em-dash indicates the calculation is not defined for the inputs given — typically a division by zero or a value outside the valid domain. We show a dash rather than a misleading number.
How do I report an error?
Email apexconverter.praxiscalc@gmail.com with the tool URL, your exact inputs, the output received and the output you expected. Verified mathematical errors are patched within 72 hours.