What it means
The defining feature is predictability. The borrower knows how many payments there will be, how large each will be, and when the final one falls due, which makes budgeting simple.
This differs from revolving credit, such as a credit card, where the borrower can keep borrowing up to a limit and choose how much to repay each month. Instalment credit is for a set amount and does not allow new borrowing once the money has been advanced.
Each payment is split between interest and repayment of the amount borrowed. At the start, most of the payment goes to interest, and over time more goes to reducing the balance, a pattern known as amortisation.
Lenders price instalment credit using the interest rate, the term and the borrower's credit profile. A longer term lowers the payment but increases the total interest paid, and some contracts charge fees for arrangement or early repayment.
For businesses, instalment credit is a common way to buy vehicles and equipment, and it can also be offered to customers to help close a sale. Companies that sell on instalment terms should plan for bad debts and for the cash that is tied up until customers have paid.
Borrowers should compare offers using the annual percentage rate, which includes interest and fees, instead of the headline rate alone. Checking the total amount repayable is the simplest way to see the real cost.
In practice
Real-world examples
Example 1
A bakery buys a new oven for $18,000 and repays the supplier's finance arm in 36 equal monthly payments. The owner treats the payment as a fixed monthly cost in the budget. Because the rate is fixed, the cost cannot rise if market interest rates move.
Example 2
A consumer buys a laptop from an electronics retailer on a 12-month instalment plan with no deposit. The retailer partners with a lender, and the shopper pays an equal amount each month until the balance is cleared. If the plan is interest-free, the retailer usually pays the lender a fee to cover the cost.
Example 3
A construction company finances a delivery truck over five years. The finance team compares the truck loan's annual percentage rate with a bank overdraft and chooses the instalment loan because it has a lower cost and a fixed repayment date. The truck also acts as security, which helps keep the rate low.
Think of it
Buying with instalment credit is like eating a giant birthday cake one slice a day rather than trying to swallow the whole thing at once. You still consume the entire cake in the end, but your stomach can easily manage the steady, bite-sized portions.
Formula
Calculation
Payment = Amount borrowed x r / [1 - (1 + r)^-n], where r is the rate per period and n is the number of payments
A small business borrows $12,000 to buy equipment, repayable over 24 monthly instalments at an annual rate of 12%. The monthly rate is 12% / 12 = 1%, so r = 0.01 and n = 24. The payment is 12,000 x 0.01 / [1 - (1.01)^-24], which is about $564.88. Total repaid is 564.88 x 24 = $13,557.12, so the interest cost is about $1,557. If the same loan ran for 36 months at the same rate, the payment would fall but the total interest would rise, which is the trade-off of a longer term.Case study
Seen in the real world
Lakeshore Printing is an illustrative, fictional business that needed a $60,000 press. The owner could pay with cash from the company's savings or take a four-year instalment loan.
Using cash would leave the company with too little working capital, and the owner worried about a slow season. The loan had a fixed monthly payment of roughly $1,400 that could be planned for in advance, and the press earned more than its cost of borrowing. The owner estimated that the new press would add about $30,000 a year to operating profit.
The fictional company took the instalment loan and kept its cash for materials and wages. The illustrative lesson is that predictable payments can protect liquidity when an asset will earn more than the credit costs. Lakeshore also checked that the monthly payment was comfortably covered by the extra profit the press would produce.
Watch out
Common mistakes
- Choosing the longest term to get the lowest payment, which can raise the total interest cost significantly.
- Comparing offers by the interest rate alone, when fees and the annual percentage rate give a truer picture.
- Assuming that early repayment is always free, when some contracts charge a penalty or do not reduce interest fully.
Questions
People also ask
What is the difference between instalment credit and revolving credit?
Instalment credit is a fixed amount repaid in equal payments, while revolving credit lets you borrow and repay repeatedly up to a limit.
Does instalment credit affect my credit score?
Yes, on-time payments can build a good record, while late or missed payments can damage it. Applying for several loans in a short period can also lower the score slightly.
Is a mortgage a form of instalment credit?
Yes, a mortgage is a large instalment loan repaid on a fixed schedule, usually secured on the property. Some mortgages have variable rates, so the payment can change even though the structure is the same.