Need a Secured Business Loan Calculator?

Use a secured loan calculator to turn the loan amount, rate, term, fees, and payment schedule into a single monthly payment amount.

The calculator assumes:

• A fixed loan term expressed in months (e.g., 36 months).
• Monthly payment frequency; each payment covers that month's interest and principal.
• Interest compounded monthly unless the lender specifies a different schedule.
• Up‑front fees (origination, documentation) are added to the loan balance before amortization, or optionally treated as a separate monthly charge.
• Results are rounded to the nearest cent for clarity.

Key inputs and how they feed the monthly‑payment formula

• Principal (including financed fees) - total amount on which interest accrues.
• Annual Percentage Rate (APR) - divided by 12 to get the monthly rate (r = APR / 12).
• Number of months (n) - length of the loan term.
• Monthly payment (PMT) - calculated as
  `PMT = [P × r × (1 + r)^n] / [(1 + r)^n - 1]`
  where P is the principal and r is the monthly rate.
• Rounding - round the PMT to two decimal places; some calculators may display a slightly higher figure to account for fractional cents.

Steps to estimate

1. Add any upfront fees to the loan amount (or decide to treat them as separate).
2. Convert the APR to a monthly rate (APR ÷ 12).
3. Plug the principal, monthly rate, and term into the formula above.
4. Round the result to the nearest cent; that figure is your estimated monthly payment.

Check the lender's disclosure to confirm whether fees are capitalized and whether interest compounds more frequently than monthly, as those choices can change the payment estimate.

To see the true cost of a secured business loan, compare the APR, the nominal interest rate, and any fees the lender charges. The interest rate reflects the base cost of borrowing on an annual basis, while the APR adds that rate to financed fees and expresses the combined cost as an annual percentage. Fees - such as origination, appraisal, or lien‑recording costs - are usually charged up front but can be rolled into the APR calculation.

Start by noting the nominal rate (e.g., 6% per year) and converting it to a monthly charge on the outstanding balance. Then list all fees, divide each by the loan term, and add the result to the monthly interest to gauge the effective monthly cost. The APR disclosed by the lender should approximate this combined figure; if it's higher, the loan is effectively more expensive than the rate alone suggests. Review the loan agreement for additional charges, variable‑rate triggers, or pre‑payment penalties before finalizing the loan.

multiply the collateral's appraised value (in USD) by the lender's approved loan‑to‑value (LTV) percentage.

LTV is the ratio of the loan principal to the collateral's market value. Most lenders cap LTV between 50 % and 80 % for business assets, but the exact figure varies by lender, asset type, and borrower credit. The appraisal should be recent and reflect fair market value; you'll usually provide documentation such as a recent invoice, third‑party appraisal, or inventory list.

• Collateral value $100,000, LTV 70 % → maximum loan $70,000
• Collateral value $250,000, LTV 60 % → maximum loan $150,000
• Collateral value $75,000, LTV 80 % → maximum loan $60,000

Adjust either variable to see the impact: a higher appraisal or a higher LTV (if the lender permits) raises the loan ceiling; a lower LTV or reduced valuation lowers it.

lenders often apply discretion - credit score, cash flow, and industry risk can cause the approved LTV to differ from the advertised range. Verify the exact LTV, required appraisal method, and any additional requirements before finalizing your request.

Collateral type directly influences the APR you'll see on a secured business loan.

• Real‑estate as collateral usually produces the lowest rates, often ranging from 3 % to 6 % APR for comparable terms and credit quality.
• Equipment collateral typically yields mid‑range rates, commonly 5 % to 9 % APR, but exact figures depend on asset age and resale value.
• Inventory as collateral generally carries the highest rates, often 7 % to 12 % APR, reflecting higher perceived risk and lower liquidity.
• These ranges are illustrative; actual rates vary by lender, loan‑to‑value ratio, loan term, and your credit profile.
• Verify the quoted rate and any fee structure with the lender before signing the agreement.

A secured loan delivers a lump‑sum based on your collateral, then amortizes over a fixed term. Using a $100,000 need with a 12‑month horizon and $15,000 of monthly cash flow as an illustration, the loan would require equal principal‑plus‑interest payments each month, letting you budget precisely. The APR (annual percentage rate) reflects the interest rate plus any upfront fees, and the loan's contract typically includes covenants that restrict certain financial actions and a personal guarantee tying you personally to repayment.

A secured line of credit also uses collateral but functions like a revolving account. Under the same $100,000 need, you could draw only the amounts you actually require, paying interest only on outstanding balances while the line remains open for future draws. Pricing may be expressed as an APR that incorporates a variable interest rate and possible draw‑related fees, which can change over the credit period. Because repayment is not scheduled in equal installments, cash‑flow timing is more flexible, though the agreement may still contain covenants and a personal guarantee. Verify term length, draw limits, and any fee structures before deciding which product aligns with your cash‑flow pattern.

add any required covenants and personal guarantees to the model because they often raise the effective cost, limit the loan amount, and increase cash‑flow risk. A covenant such as a minimum debt‑service‑coverage ratio may force higher payments if revenue dips, while a personal guarantee can expose the owner's assets and may lead the lender to charge a premium rate.

Model at least two 'what‑if' scenarios: one where the covenant stays satisfied and another where it is breached. Adjust the interest rate, fees, or required pre‑payment based on the lender's typical treatment of covenant violations, then compare the resulting monthly cash outflow. Personal guarantees may also affect the loan‑to‑value ratio you can achieve, so reflect a tighter LTV in the guarantee scenario. Because covenant language varies widely, consult a qualified attorney to confirm how each clause would apply to your business before you lock in the loan.

To calculate the additional sales required to meet a secured‑loan payment, divide the monthly payment by your gross profit margin.

1. Identify the monthly payment - Use the amount from the secured loan calculator (principal + interest + fees) that you will owe each month.
2. Determine your gross profit margin - This is (Revenue  -  Cost of Goods Sold) ÷ Revenue, expressed as a decimal (e.g., 30% = 0.30). Use your actual margin; it can vary by product line or season.
3. Apply the formula
   
   \[
   
   
   \text{Extra sales needed} = \frac{\text{Monthly payment}}{\text{Gross profit margin}}
   
   
   \]
   
   
   The result tells you how much incremental revenue must be generated each month to cover the loan payment alone.
4. Worked example (same assumptions used earlier) -
   • Monthly payment: $2,500
   • gross margin: 30 % (0.30)

   Extra sales needed = $2,500 ÷ 0.30 ≈ $8,333.33 per month.

   Generating roughly $8,300 of additional sales each month would produce $2,500 in gross profit, which exactly offsets the loan payment.

5. Check timing and cash flow - Payments are usually due at month‑end, so ensure the extra sales can be realized before that date. If revenue is seasonal, run the calculation for your peak month and verify you have a buffer for slower periods.
6. Validate assumptions - Compare the calculated sales target with your realistic sales pipeline, and adjust the margin or payment schedule if the figure seems unattainable.

Safety note: Use your actual financial statements to confirm the margin and payment amounts before making business decisions.

A small manufacturer could request a $250,000 equipment loan, using existing machinery worth $357,000 as collateral. Assuming a 70 % loan‑to‑value ratio, a 5‑year term, and a 6.5 % annual percentage rate (APR) with a 1 % origination fee, the numbers below illustrate how the payment is derived.

First, the loan amount plus fee equals $250,000 + $2,500 = $252,500. Using a standard amortization formula, the monthly payment works out to roughly $4,900. Over 60 months, the borrower would pay about $54,000 in interest, for a total cost near $306,500. The collateral value limits the loan to 70 % of $357,000, which matches the $250,000 request.

This example is for illustration only; actual rates, fees, and LTV limits vary by lender and state. Before committing, verify the APR, any pre‑payment penalties, and covenant requirements in the loan agreement.

prepayment changes your penalty and overall savings, run a quick 'what‑if' scenario in the secured loan calculator.

Assume a $100,000 loan, 8% APR, monthly compounding, 5‑year term, and a 1% prepayment penalty. If you plan to pay an extra $20,000 after 12 months, the calculator will:

• Reduce the outstanding principal by the $20,000 prepayment.
• Apply the 1% penalty to the $20,000 (or to the remaining balance, depending on the lender's rule).
• Re‑run the amortization using the new balance, keeping the original APR and monthly compounding.
• Show the revised monthly payment, total interest saved, and the effective APR after accounting for the penalty fee.

By comparing the original schedule with the prepayment schedule, you can spot whether the interest saved outweighs the penalty cost and how cash‑flow timing shifts.

Check your loan agreement for the exact penalty formula - some lenders charge a flat fee, others a percentage of the remaining term. Adjust the assumptions in the calculator accordingly before making a decision.

• Identify your peak monthly cash flow, then create stress scenarios by reducing revenue by an example range (15‑35 %) for a chosen duration (e.g., 2‑3 months). Compute the projected cash flow for each scenario.
• Calculate the payment‑coverage ratio as cash flow ÷ monthly loan payment. A ratio > 1 indicates the payment is covered; a ratio  1 means the payment exceeds cash flow and external funds would be needed.
• Compare the ratios across scenarios. If the lowest ratio falls below 1, quantify the shortfall and determine how much additional cash or alternative financing would be required.
• Test timing mismatches: loan payments are fixed each month while seasonal revenue may lag or surge. Model cash‑in‑hand versus payment due dates to see whether reserves can bridge temporary gaps.
• Record the range of coverage ratios and set a risk tolerance (for example, you may require a ratio no lower than 0.9). Use that threshold to decide if you need to adjust loan size, term, or add a cushion.