Everyday Tool
Personal Loan Calculator
Estimate monthly repayments, total interest, and total repayable for straightforward UK personal loans.
Your Loan
Estimate straightforward UK personal loan repayments using APR and a standard monthly repayment structure.
Assumptions
Calculations are illustrative and use a fixed APR with monthly repayments.
Your figures stay in the browser and are not stored by default.
Representative example only
These figures are for illustration and comparison. Actual lender quotes can vary based on fees, underwriting, product structure, and how interest is applied in practice.
Quick comparison
Compare the current result against a different term or APR without changing the main calculation above.
Base case uses the most recently calculated loan scenario.
Balance and interest over time
Track how the balance falls and how total interest builds across the term.
Monthly amortisation schedule
Review each month’s payment split between principal and interest.
| Month | Payment | Interest | Principal | Balance |
|---|---|---|---|---|
| 1 | £430.20 | £103.50 | £326.70 | £17,673.30 |
| 2 | £430.20 | £101.62 | £328.58 | £17,344.72 |
| 3 | £430.20 | £99.73 | £330.47 | £17,014.25 |
| 4 | £430.20 | £97.83 | £332.37 | £16,681.88 |
| 5 | £430.20 | £95.92 | £334.28 | £16,347.60 |
| 6 | £430.20 | £94.00 | £336.20 | £16,011.40 |
| 7 | £430.20 | £92.07 | £338.13 | £15,673.27 |
| 8 | £430.20 | £90.12 | £340.08 | £15,333.19 |
| 9 | £430.20 | £88.17 | £342.03 | £14,991.16 |
| 10 | £430.20 | £86.20 | £344.00 | £14,647.16 |
| 11 | £430.20 | £84.22 | £345.98 | £14,301.18 |
| 12 | £430.20 | £82.23 | £347.97 | £13,953.21 |
| 13 | £430.20 | £80.23 | £349.97 | £13,603.24 |
| 14 | £430.20 | £78.22 | £351.98 | £13,251.26 |
| 15 | £430.20 | £76.19 | £354.01 | £12,897.25 |
| 16 | £430.20 | £74.16 | £356.04 | £12,541.21 |
| 17 | £430.20 | £72.11 | £358.09 | £12,183.12 |
| 18 | £430.20 | £70.05 | £360.15 | £11,822.97 |
| 19 | £430.20 | £67.98 | £362.22 | £11,460.75 |
| 20 | £430.20 | £65.90 | £364.30 | £11,096.45 |
| 21 | £430.20 | £63.80 | £366.40 | £10,730.05 |
| 22 | £430.20 | £61.70 | £368.50 | £10,361.55 |
| 23 | £430.20 | £59.58 | £370.62 | £9,990.93 |
| 24 | £430.20 | £57.45 | £372.75 | £9,618.18 |
| 25 | £430.20 | £55.30 | £374.90 | £9,243.28 |
| 26 | £430.20 | £53.15 | £377.05 | £8,866.23 |
| 27 | £430.20 | £50.98 | £379.22 | £8,487.01 |
| 28 | £430.20 | £48.80 | £381.40 | £8,105.61 |
| 29 | £430.20 | £46.61 | £383.59 | £7,722.02 |
| 30 | £430.20 | £44.40 | £385.80 | £7,336.22 |
| 31 | £430.20 | £42.18 | £388.02 | £6,948.20 |
| 32 | £430.20 | £39.95 | £390.25 | £6,557.95 |
| 33 | £430.20 | £37.71 | £392.49 | £6,165.46 |
| 34 | £430.20 | £35.45 | £394.75 | £5,770.71 |
| 35 | £430.20 | £33.18 | £397.02 | £5,373.69 |
| 36 | £430.20 | £30.90 | £399.30 | £4,974.39 |
| 37 | £430.20 | £28.60 | £401.60 | £4,572.79 |
| 38 | £430.20 | £26.29 | £403.91 | £4,168.88 |
| 39 | £430.20 | £23.97 | £406.23 | £3,762.65 |
| 40 | £430.20 | £21.64 | £408.56 | £3,354.09 |
| 41 | £430.20 | £19.29 | £410.91 | £2,943.18 |
| 42 | £430.20 | £16.92 | £413.28 | £2,529.90 |
| 43 | £430.20 | £14.55 | £415.65 | £2,114.25 |
| 44 | £430.20 | £12.16 | £418.04 | £1,696.21 |
| 45 | £430.20 | £9.75 | £420.45 | £1,275.76 |
| 46 | £430.20 | £7.34 | £422.86 | £852.90 |
| 47 | £430.20 | £4.90 | £425.30 | £427.60 |
| 48 | £430.06 | £2.46 | £427.60 | £0.00 |
How it works
Enter the loan amount, APR, and term, then the calculator estimates the regular monthly repayment using a fixed-rate repayment model.
The results show the monthly repayment, the total interest paid, the total amount repaid overall, and a month-by-month schedule so you can see how the balance falls over time.
FAQ
Full FAQThis calculator is built for UK-style planning and uses pounds sterling with monthly repayments.
APR is treated as a fixed annual rate for illustration. Real lender calculations can differ because of fees, timing rules, promotional structures, and product terms.
It is designed as a planning tool, so it is best used to compare scenarios and sense-check affordability before relying on any lender-specific quote.
What this personal loan calculator is useful for
A personal loan calculator helps you sense-check whether a borrowing plan feels realistic before you apply. It gives you a clearer view of the monthly commitment, how much interest is likely to build up, and how much the loan could cost in total.
That can be useful for ordinary personal borrowing such as home improvements, debt consolidation, large purchases, or other planned expenses where you want a realistic monthly figure rather than a vague headline rate.
Because the calculator stays focused on standard repayment borrowing, it is easier to use for the most common unsecured-loan scenarios without mixing in car-finance style structures.
Common uses
- Estimate a likely monthly repayment before applying for a personal loan.
- Compare how a shorter or longer term changes the total interest paid.
- Check the overall cost of borrowing at different APR assumptions.
- Prepare clearer figures before speaking to a lender or broker.
Tips for using the calculator more effectively
Start with realistic APRs
Small changes in APR can materially change both the monthly repayment and the total interest. If you already have a quote, use that rate rather than a rough guess.
Use the term carefully
Longer terms usually reduce the monthly cost but increase the total interest paid. Try a few term lengths to see the trade-off more clearly.
Use it to compare scenarios
Small changes in APR or term can materially affect both the monthly commitment and the total cost. Try a few combinations before deciding what feels realistic.
Example personal loan scenarios
Home improvement planning
If you are borrowing for a kitchen, bathroom, decorating project, or another planned upgrade, the calculator helps you test whether the monthly repayment still feels comfortable once it sits alongside your normal household spending.
Debt consolidation sense-check
If you are comparing a consolidation loan against existing repayments, this tool can help you see the likely monthly figure and the overall borrowing cost more clearly before you make a decision.
Large one-off purchases
For major planned costs such as appliances, furniture, events, or other high-value expenses, it can be helpful to compare shorter and longer terms to understand the trade-off between affordability each month and total interest.
Common mistakes to avoid
Focusing only on the monthly figure
A lower monthly repayment can feel more comfortable, but it often means paying interest for longer. Always check the total repayable as well as the monthly number.
Using a guessed APR
If the lender has already shown you a likely rate, use that rather than a broad assumption. Even small APR differences can materially change the cost.
Treating the result as a lender quote
This calculator is best used for planning and comparison. Real offers can differ because of fees, credit profile, lender policy, and agreement structure.
