Instantly calculate your monthly payments and full amortization schedule. Pulls the current Federal Reserve benchmark rate automatically.
A business loan calculator helps entrepreneurs and business owners estimate their monthly repayment obligations before committing to a loan. By inputting the loan principal, interest rate, and term length, you instantly see the monthly payment, total repayment amount, and full interest cost — giving you the data to compare lenders and negotiate better terms.
The calculation uses the standard amortization formula: M = P[r(1+r)ⁿ] / [(1+r)ⁿ–1], where P is the principal, r is the monthly interest rate (annual rate ÷ 12), and n is the number of monthly payments. Each payment covers accrued interest first, with the remainder reducing the principal balance.
In 2026, competitive business loan rates typically range from 6.5% to 12% for qualified borrowers with strong credit and established revenue. SBA-backed loans tend to offer lower rates. The Federal Reserve benchmark rate (shown live above) is the starting point from which banks determine their prime rate and lending spreads.
Fixed-rate loans lock in your interest rate for the full term — ideal when rates are low or rising. Variable-rate loans fluctuate with the prime rate, which tracks the Federal Reserve's benchmark. If the Fed cuts rates, your variable-rate payment decreases; if rates rise, so does your cost. This calculator models fixed-rate loans.