Business Loan Calculator

Written by Great Medico

Updated September 25, 2026 •2 min read

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Business Loan Calculator turns a familiar business question into a compact set of numbers, so you can see the relationship without building a separate spreadsheet.

What this calculator does

Business Loan Calculator estimates periodic payments and simplified borrowing costs for an amortizing business loan using the entered principal, rate, term, payment schedule, and fee-related fields. That makes the output useful for the specific relationship being measured here, while keeping any unentered business or investment assumptions outside the calculation.

How to use it

Enter Currency, Business loan amount, Annual interest rate (%), Loan term (years), Payment schedule, Origination fee (%), and the remaining displayed fields. Use figures from the same reporting period and the same accounting, workforce, inventory, or campaign definition wherever possible. The currency selector changes display currency only; it does not perform an exchange-rate conversion. Before using the result in a decision, recheck unusually large or negative values against the source data rather than assuming the calculator is correcting an inconsistent input.

How the calculation works

The scheduled payment is based on the standard amortizing-loan payment formula using principal, annual rate, payment frequency, and term: payment = P·r/[1−(1+r)^−n], where r is the periodic rate and n is the number of payments. This simplified build also displays the entered balloon/origination information in cost totals rather than modeling a full lender-specific amortization contract.

Example

For a $20,000 loan at 7% for 5 years with monthly payments, the scheduled amortizing payment is about $396.02 each period before any lender-specific treatment of fees, extra payments, or balloon terms.

How to interpret the result

Use the result as a compact description of the inputs you supplied. Compare it with the same metric calculated consistently over time or across alternatives; the number is most useful when its accounting period, denominator, and business definition remain stable.

Limitations and notes

This is a simplified amortization estimate, not a lender quote or an SBA-specific calculator. Actual borrowing cost can depend on compounding convention, payment timing, prepaid versus financed fees, variable-rate resets, guarantees, prepayment terms, and lender-specific rules. The current fields for extra payment and balloon/origination terms do not reproduce every possible amortization path.