Estimate monthly payments and total costs for business loans used to fund inventory, equipment, or expansion.
This tool helps entrepreneurs, small business owners, and e-commerce sellers plan loan repayments accurately.
Input your loan details to see a full breakdown of repayment terms.
Business Loan Payment Calculator
How to Use This Tool
Follow these steps to calculate your business loan repayments:
- Enter your total loan amount in dollars. This is the principal you are borrowing for equipment, inventory, or expansion.
- Input the annual interest rate offered by your lender, as a percentage.
- Set your loan term by entering a number and selecting years or months from the dropdown.
- Choose your payment frequency: monthly, bi-weekly, or weekly, depending on your lender's terms.
- Optionally add any origination fee charged by the lender, as a percentage of the loan amount.
- Click Calculate Payment to see your full repayment breakdown.
- Use the Reset button to clear all inputs and start over.
Formula and Logic
This calculator uses the standard amortizing loan payment formula to determine periodic payments:
Periodic Payment = (Loan Amount × Periodic Interest Rate) ÷ (1 − (1 + Periodic Interest Rate) ^ −Number of Payments)
Key variables are calculated as follows:
- Periodic Interest Rate = Annual Interest Rate ÷ Number of Payments Per Year
- Number of Payments = (Loan Term in Months ÷ 12) × Payments Per Year
- Total Interest = (Periodic Payment × Number of Payments) − Loan Amount
- Origination Fee = Loan Amount × (Origination Fee % ÷ 100)
- Total Repaid = (Periodic Payment × Number of Payments) + Origination Fee
Bi-weekly and weekly payment frequencies adjust the number of payments per year to 26 and 52 respectively, which can reduce total interest paid over the life of the loan.
Practical Notes
Business loans often include terms specific to commercial lending that impact your repayment plan:
- Origination fees for small business loans typically range from 1% to 5% of the loan amount, though some alternative lenders may charge up to 10%.
- Bi-weekly payments can reduce your total interest cost by up to 10% compared to monthly payments, as you make 26 half-payments per year instead of 12 full payments.
- Variable interest rates will change your payment amount over time; this calculator assumes a fixed rate for the full loan term.
- Some lenders charge prepayment penalties for paying off loans early; this calculator does not account for these fees.
- E-commerce sellers and traders should factor in seasonal revenue fluctuations when choosing a payment frequency to avoid cash flow gaps.
Why This Tool Is Useful
Small business owners and entrepreneurs need accurate repayment estimates to make informed borrowing decisions:
- Plan cash flow for inventory purchases, equipment upgrades, or store expansions by knowing exactly how much you will owe per payment period.
- Compare loan offers from different lenders by inputting varying interest rates, terms, and fees to find the most cost-effective option.
- Avoid overborrowing by seeing the total cost of the loan (including interest and fees) before signing a contract.
- Adjust payment frequencies to match your business's revenue cycle, reducing the risk of missed payments.
Frequently Asked Questions
Can I use this calculator for SBA loans?
Yes, this calculator works for SBA 7(a) loans, SBA 504 loans, and most traditional commercial loans. Note that SBA loans may have maximum interest rate caps and additional guarantee fees not included in this calculation.
How does payment frequency affect total interest paid?
More frequent payments (bi-weekly or weekly) reduce total interest because you pay down the principal faster. For example, a $50,000 loan at 7% for 5 years with monthly payments costs ~$9,500 in interest, while bi-weekly payments cost ~$8,900 in interest.
Is the origination fee added to my loan amount?
Some lenders roll the origination fee into the total loan amount, while others deduct it from the disbursed funds. This calculator assumes the fee is an additional cost on top of the loan principal; check your loan agreement to confirm how your lender handles origination fees.
Additional Guidance
When evaluating business loan options, consider these best practices for your industry:
- E-commerce sellers: Align payment dates with your platform's payout schedule (e.g., Shopify or Amazon disbursements) to ensure funds are available when payments are due.
- Retail and hospitality businesses: Choose longer loan terms to lower periodic payments during slow seasons, but be aware this increases total interest paid.
- B2B traders: Negotiate interest rates based on your business's credit score and annual revenue; businesses with over $1M in annual revenue often qualify for rates 2-3% lower than smaller operations.
- Always review the APR (Annual Percentage Rate) which includes interest and fees, rather than just the base interest rate, to compare loan offers accurately.