To calculate the current portion of long-term debt, add together the principal amounts of every scheduled loan payment that falls due within the twelve months following your balance sheet date, across all long-term obligations. Interest is excluded. The resulting total moves out of long-term liabilities and onto the current liabilities section of the balance sheet, where it signals how much cash the business needs to earmark for near-term debt service.
Documents You Need First
Start with the paperwork for each long-term obligation you carry. For every loan, pull the original loan agreement or promissory note. These contracts state the interest rate, principal borrowed, repayment frequency, and maturity date. Treat each loan separately from the beginning; equipment loans, commercial mortgages, vehicle notes, and SBA loans each need their own calculation.
The document that does the real work is the amortization schedule. Most commercial lenders provide one at closing and refresh it annually or through an online portal. It lists every payment over the life of the loan and splits each into interest and principal. If you don’t have one, you can generate it from the loan’s original terms: principal balance, annual interest rate, remaining payments, and payment frequency. The periodic payment formula is the principal balance multiplied by the periodic interest rate, divided by one minus the quantity (one plus the periodic interest rate) raised to the negative power of the total number of payments. Any spreadsheet or accounting package will run this.
One caution: a UCC-1 financing statement filed with the Secretary of State is not a substitute for the loan agreement. It identifies the borrower, the secured party, and the collateral, but contains none of the rate or payment information you need. If your originals are lost, request copies and an updated amortization schedule from the lender directly.
Only Principal Counts
Each payment on an amortizing loan covers two things: interest expense for the period, and a reduction of the outstanding principal balance. The current portion of long-term debt captures only the principal side. Interest hits the income statement as an expense and never affects the liability sitting on the balance sheet.
On the amortization schedule, find the column labeled “principal,” “principal portion,” or “balance reduction.” Early in a loan’s life, interest consumes a larger share of each payment and principal is small. Later, that ratio inverts. So the current portion of long-term debt is not a fixed number you calculate once. It changes every reporting period as the principal-to-interest mix shifts.
Take a loan with equal monthly payments of $2,500 where the first month splits into $1,800 interest and $700 principal. Only the $700 feeds into the calculation. By month twelve, the principal portion might have grown to $780 because the declining balance generates less interest. You need each month’s actual principal figure, not an average.
The Step-by-Step Calculation
Once the amortization schedules are in front of you, the math is direct:
- Identify your reporting date. The calculation covers the twelve months immediately following the balance sheet date. A December 31 fiscal year-end captures principal payments due from January 1 through December 31 of the following year.
- Pull twelve months of principal payments. From each loan’s schedule, locate the principal portion of every payment falling inside that twelve-month window. Monthly loans give you twelve entries. Quarterly loans give you four.
- Add the principal amounts together. The sum is the current portion for that one loan.
- Repeat for every long-term obligation. Each loan gets its own calculation.
- Aggregate the totals. The combined figure across all loans is the company’s total current portion of long-term debt, presented as a single line under current liabilities.
A quick example. A company has a $120,000 equipment loan with monthly principal payments of $1,000, and a $500,000 commercial mortgage whose next twelve monthly principal payments total $18,400. The equipment loan contributes $12,000. The mortgage contributes $18,400. The total for the balance sheet is $30,400.
Balloon Payments and Interest-Only Loans
Not every loan amortizes evenly, and irregular structures can produce a much larger current portion than a monthly principal column suggests. A balloon-payment loan requires small periodic payments through its term and one large lump-sum payment at maturity. If that balloon falls within the next twelve months, the entire remaining principal balance shifts into the current portion. A five-year loan where you’ve been paying mostly interest might still have 70 or 80 percent of the original principal outstanding when the balloon comes due.
Interest-only loans work the same way in reverse. Because no principal is being repaid during the interest-only period, the current portion is zero until repayment begins. Once principal payments start, or if the whole balance matures within twelve months, the full amount lands in current liabilities.
Seasonal or step-up structures, where scheduled principal increases over time, require you to use the actual scheduled principal for each period rather than averaging. Read the correct twelve-month window off the schedule and use the numbers as they appear.
Recording the Reclassification
Moving the amount from long-term to current is a balance sheet adjustment, not a new transaction. No cash changes hands. You are relabeling where the obligation sits so the statements reflect the timing of upcoming payments accurately.
The journal entry debits Long-Term Debt and credits Current Portion of Long-Term Debt for the calculated amount. Using the equipment loan from the earlier example, that is a $12,000 debit to Long-Term Debt and a $12,000 credit to Current Portion of Long-Term Debt. Total liabilities do not change. Only the classification does.
This entry is typically posted at the end of each reporting period as part of closing adjustments. As actual payments are made during the following year, those entries debit Current Portion of Long-Term Debt and credit Cash, clearing the current liability off the books as principal is paid down.
When Covenants or Refinancing Change the Answer
Two situations override the standard twelve-month calculation, and both are worth knowing about before you finalize the number.
The first is a covenant violation. Most commercial loan agreements include financial covenants such as minimum debt-to-equity ratios, cash flow coverage requirements, or restrictions on additional borrowing. If you violate a covenant and the violation gives the lender the contractual right to demand immediate repayment, the entire outstanding balance of that loan may need to be reclassified as a current liability, not just the next twelve months of principal. A $2 million term loan can move entirely into current liabilities after a single breach. Two exceptions preserve non-current classification: an unexpired cure period built into the loan agreement, or a written waiver obtained from the lender before the financial statements are issued, covering more than one year from the balance sheet date, with no other covenant violations expected in the next twelve months.
The second is refinancing. Debt that technically matures within twelve months can stay classified as non-current if the company has both the intent and the ability to refinance on a long-term basis. Ability requires concrete evidence before the statements are issued: either an actual refinancing already closed after the balance sheet date, or a binding, committed financing agreement that clearly permits refinancing the debt on a long-term basis. Replacing one short-term note with another short-term note does not qualify. The replacement must extend beyond one year from the balance sheet date. Debt refinanced through equity issuance is excluded from current liabilities but remains reported as a non-current liability rather than moving into equity.
Finance lease obligations follow the same current-versus-non-current split as term loans. If lease liabilities are significant, calculate the current portion separately using the same twelve-month principle and present it alongside the current portion of long-term debt.