Installment Calculator
By Miikka · CalcBrew · Updated
$127.10
Monthly payment
| Financed amount | $2,700 |
| Monthly payment | $127.10 |
| Credit cost | $350 |
| Total price | $3,350 |
This installment calculator works out the monthly payment, credit cost and final total price of a hire-purchase from the purchase price, down payment, interest rate and term. It lets you see, before you sign, what paying on credit actually costs in dollars.
How the calculator works and what it’s for▾
How the installment is built
First the down payment is subtracted from the purchase price to give the financed amount. That amount is spread over the term, with interest added on top, to form the monthly payment.
The credit cost is the sum of all payments minus the financed principal. The total price is the down payment plus every installment you pay.
What you enter and what you get
Enter the purchase price, the down payment, the annual interest rate and the term in months. The result shows the financed amount, the monthly payment, the credit cost and the final total price.
A larger down payment or a shorter term reduces interest costs. A longer term lightens the monthly payment but raises the total price.
Who it is for
The calculator is handy when you are considering buying an appliance, furniture, a car or electronics on installments and want to compare it against paying upfront or against different financing offers.
Good to know
The real APR often also includes opening and account fees, which this calculator does not account for. Always compare offers using the stated annual percentage rate.
🔄 Reviewed June 2026
Frequently asked questions
Cite this calculator
CalcBrew. (2026). Installment Calculator. https://calcbrew.com/installment-calculator“Installment Calculator.” CalcBrew, 2026, calcbrew.com/installment-calculator.Link to https://calcbrew.com/installment-calculator. Results are estimates; cite the underlying formula or data source for academic work.
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