Use this free business loan calculator to find your monthly payment, total interest, and total cost — plus a full amortization schedule. Enter your loan amount, interest rate, and term to see exactly what financing will cost your business.
The same templates our Ex-PwC CFOs use with 100+ clients: a 13-Week Cash Flow Forecast and a 12-Month Budget (Excel). Enter your email and download instantly.
Click Show Amortization Schedule for a month-by-month breakdown, or Download CSV to open it in Excel or Google Sheets.
A business loan is financing you repay over time in fixed installments. Each payment is split between interest (the cost of borrowing) and principal (paying down the balance). Early in the loan, most of each payment goes to interest; later, more goes to principal. This process is called amortization, and the schedule shows exactly how it plays out month by month.
Understanding amortization matters because the headline interest rate does not tell you the full cost. A lower monthly payment from a longer term can mean dramatically more total interest. Seeing the full schedule — and testing extra payments — lets you make a financing decision based on true total cost, not just the monthly number a lender quotes.
Monthly Payment = P × r ÷ (1 − (1 + r)^−n)P = principal, r = monthly rate (annual ÷ 12), n = number of months
A $100,000 loan at 9% over 5 years (60 months):
Adding even a small extra monthly payment can cut both the total interest and the payoff time — try it above.
Taking on debt is one of the highest-stakes financial decisions a small business makes. The right loan funds growth that more than covers its cost; the wrong one strains cash flow for years. The deciding question is not just "can we afford the payment?" but "will what we do with this money earn more than the loan costs?" — which ties directly to ROI and cash flow planning.
A fractional CFO helps you answer that: modeling the loan against your cash flow, comparing financing options, and making sure the debt actually advances the business. If you are weighing a loan or line of credit, a short call can save you from an expensive mistake — or confirm a smart move.
Our Ex-PwC Chartered Accountants help US startups and small businesses turn calculations like this into real financial strategy — pricing, cash flow, fundraising, and growth decisions.
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