Quick Loan Cost Calculator

Most calculators dump numbers on you and move on. This one tries to tell a story. You give it three simple facts – how much money is involved, how long you have, and what rate applies – and it turns those into the answers you actually need: the monthly payment (for borrowing) or the future total (for saving), how much is interest, and how the picture changes year by year. Under the hood there’s careful math, but you don’t need to see it. Think of the tool as a simulator that plays the same simple rhythm over and over: update the balance, count the month, draw the line, repeat.

What is it Loan Calculator?

The Quick Loan Cost Calculator is a fast, no-nonsense tool that turns three simple inputs - how much you want to borrow, how many years to repay, and the interest rate - into clear answers. It instantly shows your fixed monthly payment, the total you’ll repay over the term, and how much of that total is pure interest. A cumulative chart visualizes progress over time, revealing how early payments are interest-heavy and later payments eat more principal. Designed to be lightweight and accessible, it updates as you type so you can test “what-if” scenarios in seconds. Use it to compare terms, sense the impact of small rate changes, and choose a plan that fits both your monthly budget and long-term costs.

Loan Lingo, Decoded: Your Calculator Glossary

• Amount to borrow (€): The principal — the cash you receive on day one and the starting balance the loan is based on. Interest is calculated from this amount and shrinks as you repay.
• Years to repay: The loan term — the total length of the agreement, expressed in years. It determines how many monthly payments you’ll make.
• Interest rate (%): The lender’s yearly price for borrowing. It sets how large the interest portion of each monthly payment is at any point in time.
• Monthly payment: The fixed amount due each month. It always covers that month’s interest first, with the remainder reducing the principal.
• Total amount you’ll pay back: The sum of all monthly payments over the full term. It’s the complete out-of-pocket cost of the loan.
• Total interest you’ll pay: The price of borrowing over time — total paid minus the amount you borrowed. Lower rates or shorter terms reduce this figure.
• Amount borrowed paid back (chart): The cumulative principal you’ve repaid up to each year, shown as the lower (cyan) stack. It tracks real progress on reducing the debt.
• Interest paid (chart): The cumulative interest you’ve paid up to each year, shown as the upper (orange) stack. It grows fastest early on and slows as the balance falls.
• Loan repayment chart: A stacked, cumulative year-by-year view of your journey. It visualizes how principal repayment accelerates while interest growth tapers over time.