Business Loan Calculator

Enter the values the business loan form asks for and the result is computed here, in the page, with no sign-up and no upload. Change one field at a time to see how sensitive the business loan figure is to that assumption.

Calculator
Amortization
Loan Comparison

Business Loan Details

Amortization Schedule

View the detailed payment schedule for your business loan.

Loan Comparison

Compare different loan scenarios to see how various terms affect your payments.

Loan Scenario 1

Loan Scenario 2

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Instant results No signup required Standard formulas Free to use

Frequently Asked Questions about Business Loan Calculator

How do I sanity-check the business loan result?

Rerun the calculator with a known example and compare it against the figure you expect; then swap back to your own numbers.

Which business loan inputs change the outcome most?

Adjust one field at a time. The figure that shifts the result hardest is the assumption worth double-checking before you rely on it.

Can I use this business loan calculator for an SBA loan?

Yes. SBA loans often have lower interest rates but higher fees (guarantee fees, packaging fees). Enter the proposed interest rate, the full term (e.g., 10 years for real estate, 7 years for working capital), and add all the fees into the “Origination Fee” field. The calculator will show you the true total cost, including those SBA-specific charges.

Does this loan payment calculator work for commercial real estate?

Absolutely, with one note. Commercial real estate loans often have terms of 10, 15, or even 20 years. Our calculator allows loan terms up to 30 years, so you can model a $500,000 commercial mortgage. Just be aware that many commercial loans have a balloon payment after 5–7 years. This calculator assumes full amortization, so it’s best for “fully amortizing” commercial loans, not balloon notes.

How do I compare a fixed vs. variable rate business loan?

Use the comparison tab. For the fixed-rate scenario, enter the fixed rate. For the variable rate, you’ll need to make an educated guess on the average rate over the term. Look at the current prime rate and add the lender’s margin. Then run the variable scenario at that estimated average. This won’t predict future rate hikes, but it gives you a baseline for comparison. The business loan comparison tool makes it easy to see the difference at a glance.

Is there a way to see the impact of making extra principal payments?

While this version doesn’t have a dedicated “extra payment” field, you can simulate it. Run your base scenario and note the total interest. Then, shorten the loan term manually in the calculator (e.g., from 5 years to 4 years) while keeping the payment the same. The drop in total interest is roughly what you’d save by making one extra payment per year. For a more precise model, you can use the amortization table and manually subtract extra principal from the balance at any month.