Santander Personal Loan Calculator

Taking out a personal loan is a major financial decision—and knowing exactly what it will cost over time is essential. Whether you’re planning a home renovation, consolidating debt, or covering an unexpected expense, understanding your monthly repayments and total interest is crucial for responsible budgeting.

To help you make informed choices, we created a simple yet powerful Personal Loan Calculator. This online tool provides instant estimates for your monthly repayment amount, total repayment over the term, and total interest paid—giving you clear insights before committing to any financial agreement.


What Is the Personal Loan Calculator?

Our Personal Loan Calculator is a free, easy-to-use online tool that helps you understand the real cost of borrowing. By inputting just three key details—loan amount, loan term (in months), and interest rate (APR)—you’ll instantly receive:

  • 📌 Monthly Repayment Amount
  • 📌 Total Repayment Over the Loan Term
  • 📌 Total Interest Paid

This tool is ideal for borrowers in the UK evaluating different loan offers from banks, credit unions, or online lenders.


How to Use the Calculator: Step-by-Step Guide

Using the calculator is fast, easy, and doesn’t require any personal information. Just follow these simple steps:

1. Enter the Loan Amount

Input the amount you wish to borrow in pounds sterling (£).
Range: £1,000 to £20,000

2. Choose the Loan Term

Enter how long you plan to repay the loan, in months.
Range: 12 to 84 months (1 to 7 years)

3. Enter the Interest Rate (APR %)

Input the Annual Percentage Rate offered by your lender.
Range: 2.8% to 24.9% APR

4. Click “Calculate”

The tool will instantly display:

  • Monthly Repayment
  • Total Repayment
  • Total Interest Charged

5. Review and Compare

Use this information to compare different loan options and choose what best fits your budget.

6. Click “Reset” to Start Again

Want to try a different loan scenario? Simply click the “Reset” button to clear the form.


Example: How Much Will a £10,000 Loan Cost?

Let’s walk through an example:

  • Loan Amount: £10,000
  • Loan Term: 48 months (4 years)
  • Interest Rate (APR): 7.5%

After clicking “Calculate,” the tool shows:

  • Monthly Repayment: £241.79
  • Total Repayment: £11,606.02
  • Total Interest: £1,606.02

This allows you to assess whether this repayment plan works within your budget—or if you’d prefer a shorter term or lower interest rate.


Why This Calculator Is Useful

Our Personal Loan Calculator is designed for everyday use by:

  • ✅ Individuals comparing loan offers
  • ✅ Homeowners planning renovations
  • ✅ Borrowers managing debt consolidation
  • ✅ Students or parents budgeting for tuition expenses
  • ✅ Anyone needing a clear picture of loan affordability

With clear and immediate feedback, you can avoid overborrowing, choose the right repayment period, and understand exactly how much the loan will cost you in the long run.


15+ Frequently Asked Questions (FAQs)

1. What is a personal loan?

A personal loan is a fixed amount of money borrowed from a lender, repaid in monthly installments with interest over a set term.

2. What does APR mean?

APR stands for Annual Percentage Rate. It reflects the true cost of borrowing, including interest and any applicable fees.

3. How accurate is the calculator?

The calculator provides a close estimate using standard loan amortization formulas. Final figures may vary slightly based on lender-specific fees or rounding.

4. Can I use this for secured loans?

This calculator is best suited for unsecured personal loans. Secured loans (like car or home loans) may involve different terms and interest structures.

5. What is the minimum and maximum loan amount?

The calculator supports loan amounts between £1,000 and £20,000.

6. What loan terms are available?

You can enter terms from 12 months to 84 months (1 to 7 years).

7. How is interest calculated?

The calculator uses monthly compounding to calculate repayment based on the APR you provide.

8. Does it factor in fees?

No. This tool focuses on interest-based repayment. Some lenders may charge additional setup or early repayment fees.

9. Can I change the currency?

This calculator is tailored for UK borrowers using pounds sterling (£).

10. How much interest will I pay?

Interest depends on the loan size, duration, and APR. The calculator provides a breakdown of total interest paid over the loan term.

11. Is this tool suitable for comparing loans?

Absolutely! You can input multiple scenarios to compare repayments and total cost across different loan offers.

12. Can I use this for a joint loan?

Yes, the calculation doesn’t depend on the number of applicants. Just enter the loan terms being offered.

13. Can I include overpayments or early payments?

This calculator assumes fixed payments with no early repayments. For variable payments, speak to your lender directly.

14. What’s the benefit of a shorter term?

Shorter terms typically mean higher monthly repayments but lower overall interest paid.

15. Is a higher APR always worse?

Generally, yes. A higher APR means you’ll pay more interest. Use this calculator to see how even a small difference in APR impacts your total repayment.

16. Will using this tool affect my credit score?

No. This calculator is completely anonymous and has no impact on your credit file.

17. Should I only focus on the monthly payment?

No. You should also consider total interest paid and total repayment to fully understand the cost of the loan.

18. What if my loan amount is outside the calculator range?

For loans outside the £1,000–£20,000 range, you can still use similar formulas or speak with your lender for an accurate quote.

19. Can I use this to plan debt consolidation?

Yes! Enter the total amount you want to consolidate and compare repayment terms to your existing debts.

20. Is this calculator free to use?

Yes. Our Personal Loan Calculator is 100% free and available for unlimited use—no registration required.


Final Thoughts

Whether you’re borrowing to renovate your home, finance a major purchase, or consolidate debt, understanding the full cost of a loan is essential. Our Personal Loan Calculator gives you clear, reliable insights in just seconds.

Don’t let confusing terms or hidden fees catch you off guard. Use this tool to explore your options, estimate your costs, and take control of your finances—before you borrow.

👉 Ready to plan smarter? Try the calculator now and see how your loan adds up.