Commercial loan calculator
The monthly payment on a business loan, what it costs in interest over the whole term, and how the balance actually falls. Origination fees and balloon payments are handled, because commercial lending rarely comes without one or the other.
Monthly payment
$2,967.54
$250,000 over 120 months at 7.5%.
- Total interest
- $106,105
- Fee
- $0
- Total cost of credit
- $106,105
- Cost per year
- 4.24%
Cost per year is the interest plus the fee, measured against the money you actually receive and spread over the term. It is a plain cost of credit, not a regulated APR: a lender's stated APR follows a prescribed method and may include charges this page knows nothing about.
Where the money goes, year by year
| Year | Interest | Principal | Balance |
|---|---|---|---|
| 1 | $18,158 | $17,452 | $232,548 |
| 2 | $16,803 | $18,807 | $213,740 |
| 3 | $15,343 | $20,267 | $193,473 |
| 4 | $13,770 | $21,841 | $171,632 |
| 5 | $12,074 | $23,536 | $148,096 |
| 6 | $10,247 | $25,363 | $122,733 |
| 7 | $8,278 | $27,332 | $95,400 |
| 8 | $6,156 | $29,454 | $65,946 |
| 9 | $3,870 | $31,741 | $34,205 |
| 10 | $1,405 | $34,205 | $0 |
Early payments are mostly interest, because interest is charged on what is still owed. That is why paying down principal early saves far more than the same money paid later.
Read the total, not the monthly
A longer term always looks cheaper, because the payment is the number a lender quotes. On $250,000 at 7.5% the ten-year payment of $2,968 looks far more comfortable than the five-year $5,009. What the quote does not say is that the extra five years cost $55,536 more in interest.
The year-by-year table above is there for the same reason. In the first year of a ten-year loan most of what you pay is interest, and the balance barely moves. That is not a fee or a trick: interest is charged on what is still owed, so it is front-loaded by arithmetic. It is also why an early overpayment is worth so much more than the same money paid near the end.
Frequently asked questions
How is a commercial loan payment calculated?
From three numbers: the amount, the monthly rate and the number of months. The payment is the amount multiplied by the monthly rate and by (1 + rate) raised to the number of months, divided by that same power less one. On $250,000 over 10 years at 7.5% it comes to $2,968 a month, of which $106,105 is interest across the whole term.
Does a shorter term save money?
Yes, and more than most people expect, because interest is charged on what is still owed. The same $250,000 at 7.5% over 5 years costs $5,009 a month, which is higher, but the total interest falls from $106,105 to $50,569. The trade is cash flow now against cost overall.
What is a balloon payment?
A lump still owed when the term ends, common on commercial property and equipment finance. It lowers the monthly payment because less of the loan is being repaid along the way, but it does not lower the cost: you either find that sum or refinance it, usually at whatever rate exists on the day. This calculator discounts the balloon to present value before spreading the rest, which is the correct treatment and gives a slightly higher payment than the shortcut of subtracting it outright.
Why is the cost per year not the same as the interest rate?
Because it includes the origination fee and measures the cost against the money you actually receive, not the money you nominally borrow. A fee taken out at the start means you borrow less than the headline figure while paying interest on all of it. It is a plain cost of credit, not a regulated APR, which follows a prescribed method and can include charges this page knows nothing about.
Is the interest tax deductible?
Business loan interest is generally deductible as a business expense, while the principal repayment is not, because repaying borrowed money is not a cost. The rules have limits and exceptions, particularly on interest above a share of income, so this is a question for your accountant rather than a calculator.
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Hadi · Developer and maintainer
Federal tables checked against the IRS 2026 inflation adjustments on . State figures, where quoted, are each state's latest published schedule, 2025; federal figures are 2026.