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Business Loan Calculator
A business loan payment is calculated with the standard amortization formula using the loan amount, monthly interest rate and number of months. For example, a $100,000 loan at 12% APR over 3 years has a monthly payment of about $3,321 and total interest of about $19,600.
Last updated October 23, 2026
Estimated results
- Monthly payment
- $3,321
- Total interest
- $19,572
- Total paid
- $119,572
Estimates for education only — not an offer. Actual terms are set by providers.
Get real offers with these numbersHow to use this calculator
- Enter loan amount
- Enter APR
- Enter term
- Review payment and total interest
Formula
Payment = P × r ÷ (1 − (1 + r)^−n), where P is the principal, r is the monthly rate (APR ÷ 12) and n is the number of months.
Frequently asked questions
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Written by
BusinessFundingQuote Editorial Team
Small business finance writers
Reviewed by
Funding Review Desk
Reviewed for accuracy against current market practices
Rates and ranges on this page are typical market estimates for educational purposes, not offers. How we make money.