Business Loan Calculator
Calculate monthly payments and total cost for small business loans.
Business Loan Calculator
Calculate monthly payments and total cost for small business loans.
Loan Payment Formula
ℹ️ Total interest paid = (M × n) – P
Disclaimer
Results provided by this calculator are for informational and educational purposes only. They are based on the values you enter and standard formulas, and should not be considered financial, medical, legal, or professional advice. Always consult a qualified professional before making important decisions based on these results. Roughtools makes no warranties regarding the accuracy or completeness of these calculations for your specific situation.
Frequently Asked Questions
Pro Tips
Even a 0.5% lower interest rate saves thousands over the life of a loan. Shop at least 3 lenders and get pre-approval before committing — lenders compete on rate when they know you have options.
Making one extra payment per year directly toward principal can shorten a 30-year mortgage by 4–6 years and save over $30,000 in interest on a typical home loan.
Your Annual Percentage Rate (APR) includes fees the interest rate does not — always compare APR, not just rate, when evaluating lender offers.
Bi-weekly payments (half the monthly amount every 2 weeks) result in 26 half-payments per year — equivalent to 13 full monthly payments instead of 12, accelerating payoff.
When to Use This Calculator
Compare dealer financing vs. bank pre-approval to find the lowest monthly payment and total cost before you sign.
Estimate monthly payments before taking out student loans to ensure they fit within your future income budget.
Calculate the cost of a business loan before applying — know your break-even point before borrowing.
Enter identical principal and term with different rates to instantly compare the true cost of competing offers.
See if consolidating multiple debts into a single lower-rate loan reduces your total monthly payment and interest.
About the Business Loan Calculator
This business loan calculator computes the monthly payment, total interest, and repayment schedule for any business term loan or SBA loan given the loan amount, interest rate, and term. Enter your loan details to see exactly what your business will owe each month and over the life of the loan, and model different loan amounts and terms to find the most affordable financing structure. Built for business owners comparing lenders and loan options.
How to Use the Business Loan Calculator
- 1
Enter the business loan amount you need (or have been offered).
- 2
Enter the annual interest rate quoted by the lender.
- 3
Enter the loan term in months (SBA 7(a) loans go up to 120 months; real estate up to 300 months).
- 4
See monthly payment, total interest, and full amortization schedule.
- 5
Model multiple scenarios (different rates, terms, loan amounts) to compare options.
Related Calculators
View all →Loan Calculator
Calculate monthly loan payments and total interest for any loan type.
APR Calculator
Calculate the annual percentage rate for any loan including fees.
Payback Period Calculator
Calculate how long it takes for an investment to recoup its initial cost.
IRR Calculator
Calculate the internal rate of return for a series of cash flows.
Depreciation Calculator
Calculate asset depreciation using straight-line, declining balance, or MACRS.
Your input is processed locally in your browser and is never stored, transmitted, or shared with any server. See our Privacy Policy.