Business Loan & EMI Calculator

EMI stands for Equated Monthly Installment — the fixed amount you pay each period to repay a loan over its term. The EMI formula is: EMI = P × r × (1 + r)^n / ((1 + r)^n − 1), where P is the principal loan amount, r is the periodic interest rate (annual rate ÷ 12 for monthly), and n is the total number of payments. Early in the loan, most of the EMI goes toward interest. Over time, the interest portion shrinks and the principal portion grows — this is the amortization effect.

The interest rate is the base cost of borrowing the principal, expressed as a percentage. APR (Annual Percentage Rate) includes the interest rate plus all additional fees — origination fees, broker fees, insurance premiums, and other costs — giving you the true cost of the loan. For comparison purposes, always use APR. Our calculator uses APR for all computations. A loan with a 7% interest rate but 1.5% origination fee has a higher APR than a loan at 7.5% with no fees, depending on the loan term.

An extra payment goes straight to principal, so it cuts the interest that accrues on that principal for the rest of the term — which is why the same extra payment saves more the earlier it starts. The exact saving depends on your loan amount, your rate and how many payments remain, so treat any single figure you read online with suspicion and model your own: enter the extra amount above and the calculator shows the interest saved on your schedule. A higher rate makes each extra payment worth more; a loan near the end of its term has little interest left to save.

A shorter loan term means higher periodic payments but significantly less total interest paid, because the balance is outstanding for fewer periods. A longer term reduces the cash flow burden but increases total cost. Model both terms above — the scenario comparison shows the payment, the total interest and the total cost side by side, so the trade-off is visible in your own numbers rather than in a rule of thumb. Match the term to the useful life of the asset being financed, and check that the payment still works in a weak month, not just an average one.

Adjustable rate business loans (sometimes called variable rate loans) start at a lower fixed rate for an initial period (e.g., 3 or 5 years), then reset to a new rate based on a benchmark index like the SOFR or prime rate plus a margin. They offer lower initial costs but carry rate risk. Our calculator lets you model ARM scenarios by setting the initial rate, the rate after adjustment, and when the adjustment occurs — helping you compare worst-case ARM vs fixed rate costs. The effective annual rate shown is the one on the initial rate, because a single blended figure for a rate that steps mid-term would not be a rate you could check against an offer.

Bi-weekly payments mean 26 payments a year instead of 12, so you pay the equivalent of one extra monthly payment each year. Whether that saves you money depends on how the lender applies it: this calculator models bi-weekly as 26 periods a year at one twenty-sixth of the annual rate, so the per-period payment is smaller and the total interest falls accordingly — switch the payment frequency above to see your own numbers. Some lenders charge a fee for bi-weekly setup and some simply hold the payments until month end, which changes the outcome, so confirm the mechanics with the lender before you compare.